Best tankless water heater. Reviews October, 2020

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

More from Tools & Home Improvement
Search only EcoSmart brand name
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

Current price: 213.88 USD

Saving: $63.12 (23%)


Check price and availability


Height: 11.5 Inches

Length: 3.75 Inches

Width: 8 Inches

Weight: 6.5 Pounds

Warranty: Lifetime warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty

More Info

Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White

More from Tools & Home Improvement
Search only EcoSmart brand name
Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White

Current price: 280 USD

Saving: $219.00 (44%)


Check price and availability


Height: 17 Inches

Length: 3.625 Inches

Width: 14 Inches

Weight: 14 Pounds

Warranty: Lifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable

More Info

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

More from Tools & Home Improvement
Search only Bosch Thermotechnology brand name
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

Current price: 151.99 USD


Check price and availability


Height: 13.75 Inches

Length: 13.75 Inches

Width: 13.5 Inches

Weight: 17.3 Pounds

Warranty: 6 year warranty on unit, 2 year warranty on parts

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches

More Info

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

More from Tools & Home Improvement
Search only Rheem brand name
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

Current price: 251.5 USD


Check price and availability


Height: 3.63 Inches

Length: 12.63 Inches

Width: 8.25 Inches

Weight: 0.000625 Pounds

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy

More Info

Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM

More from Tools & Home Improvement
Search only Rinnai brand name
Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM

Current price: 683.55 USD

Saving: $376.45 (36%)


Check price and availability


Height: 26.9 Inches

Length: 14.04 Inches

Width: 9.27 Inches

Weight: 45.6 Pounds

Warranty: Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only

More Info

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

More from Tools & Home Improvement
Search only Bosch Thermotechnology brand name
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

Current price: 149.95 USD


Check price and availability


Height: 13.75 Inches

Length: 13.75 Inches

Width: 10.75 Inches

Weight: 15.5 Pounds

Warranty: 6 year warranty on unit, 2 year warranty on parts

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches

More Info

Rinnai V53DeN Tankless Water Heaters, V53DeN-Natural Gas/5.3 GPM

More from Tools & Home Improvement
Search only Rinnai brand name
Rinnai V53DeN Tankless Water Heaters, V53DeN-Natural Gas/5.3 GPM

Current price: 555.6 USD


Check price and availability


Width: 14 Inches

Weight: 33 Pounds

Warranty: Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 5.3 GPM hot water flow rate (varies by groundwater temp)
  • V53DeN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only
  • Endless hot water for your entire home

More Info

Rinnai RU199iN Sensei Super High Efficiency Tankless Water Heater, 11 GPM - Natural Gas: Indoor Installation

More from Tools & Home Improvement
Search only Rinnai brand name
Rinnai RU199iN Sensei Super High Efficiency Tankless Water Heater, 11 GPM - Natural Gas: Indoor Installation

Current price: 1499.85 USD

Saving: $554.15 (27%)


Check price and availability


Height: 31.3 Inches

Length: 18.5 Inches

Width: 11.45 Inches

Weight: 64 Pounds

Warranty: Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 5.3 GPM hot water flow rate (varies by groundwater temp)
  • V53DeN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only
  • Endless hot water for your entire home
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
  • 15,000 BTU (Minimum) / 199,000 BTU (Maximum)
  • Up to 11 GPM hot water flow rate (varies by groundwater temp)
  • RU199iN Sensei SE+ Super High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only

More Info

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected]

More from Tools & Home Improvement
Search only EcoSmart brand name
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt

Current price: 128.74 USD

Saving: $60.26 (32%)


Check price and availability


Height: 6 Inches

Length: 3 Inches

Width: 11 Inches

Weight: 4 Pounds

Warranty: 1 Year Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 5.3 GPM hot water flow rate (varies by groundwater temp)
  • V53DeN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only
  • Endless hot water for your entire home
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
  • 15,000 BTU (Minimum) / 199,000 BTU (Maximum)
  • Up to 11 GPM hot water flow rate (varies by groundwater temp)
  • RU199iN Sensei SE+ Super High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • Connection Fittings 1/2" NPT
  • Amperage Draw 29 amp. kW - 3.5 kW
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • Can provide hot water for one sink at 0.5 GPM in warmer climates

More Info

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

More from Tools & Home Improvement
Search only Rheem brand name
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

Current price: 375 USD


Check price and availability


Height: 14.5 Inches

Length: 18.25 Inches

Width: 3.5 Inches

Weight: 14.8 Pounds

  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and design
  • Never run out of hot water with an ECOSMART tankless water heater
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Lifetime warranty
  • 75 A
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Save up to 12 cubic feet of storage space.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Lifetime warranty for residential use
  • Copper and stainless components
  • Manufactured in China
  • The product is easy to use
  • The product is highly durable
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 5.3 GPM hot water flow rate (varies by groundwater temp)
  • V53DeN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only
  • Endless hot water for your entire home
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Endless hot water for your entire home
  • Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
  • 15,000 BTU (Minimum) / 199,000 BTU (Maximum)
  • Up to 11 GPM hot water flow rate (varies by groundwater temp)
  • RU199iN Sensei SE+ Super High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • Connection Fittings 1/2" NPT
  • Amperage Draw 29 amp. kW - 3.5 kW
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)

More Info
1    2    3    4    5    6    7    8    9    10