Best tankless water heater. Rheem brand. New releases 2021

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

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

Current price: 395 USD

Saving: $34.00 (8%)


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Height: 14.5 Inches

Length: 18.25 Inches

Width: 3.5 Inches

Weight: 14.8 Pounds

  • 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)

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

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

Current price: 249 USD


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Height: 3.63 Inches

Length: 12.63 Inches

Width: 8.25 Inches

Weight: 0.000625 Pounds

  • 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)
  • 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

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Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

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Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

Current price: 500 USD


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Height: 17.625 Inches

Length: 18.25 Inches

Width: 3.5 Inches

Weight: 17.8 Pounds

  • 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)
  • 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
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display

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Rheem RTE 13 Electric Tankless Water Heater, 4 GPM

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Rheem RTE 13 Electric Tankless Water Heater, 4 GPM

Current price: 698.5 USD


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Height: 7.25 Inches

Length: 7.25 Inches

Width: 7.25 Inches

Weight: 8 Pounds

Warranty: Parts warranty: 1 year. Heat exchange warranty: 10 years. Warranties are only vaild if unit was installed by a licensed technician

  • 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)
  • 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
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • 54 A
  • Please refer the User Manual for installation instruction.
  • Modulating power. Specifications:Great for single shower applications, 240 Volts - 13KW, 4.0 GPM maximum flow rate
  • Rugged brass/copper heat exchanger
  • Standard 1/2" water connection
  • On-unit temperature control, LEDs indicate active element and standby mode

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Rheem 240V 3 Heating Chambers RTEX-27 Residential Tankless Water Heater, GRAY

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Rheem 240V 3 Heating Chambers RTEX-27 Residential Tankless Water Heater, GRAY

Current price: 667 USD


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Height: 19 Inches

Length: 4 Inches

Width: 18 Inches

Weight: 17.8 Pounds

  • 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)
  • 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
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • 54 A
  • Please refer the User Manual for installation instruction.
  • Modulating power. Specifications:Great for single shower applications, 240 Volts - 13KW, 4.0 GPM maximum flow rate
  • Rugged brass/copper heat exchanger
  • Standard 1/2" water connection
  • On-unit temperature control, LEDs indicate active element and standby mode
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)

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Rheem RTG-70DVLN-1 Tankless Water Heater, Grey

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Rheem RTG-70DVLN-1 Tankless Water Heater, Grey

Current price: 629.1 USD

Saving: $69.90 (10%)


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Height: 25.63 Inches

Length: 9.88 Inches

Width: 13.88 Inches

Weight: 62 Pounds

  • 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)
  • 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
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • 54 A
  • Please refer the User Manual for installation instruction.
  • Modulating power. Specifications:Great for single shower applications, 240 Volts - 13KW, 4.0 GPM maximum flow rate
  • Rugged brass/copper heat exchanger
  • Standard 1/2" water connection
  • On-unit temperature control, LEDs indicate active element and standby mode
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • For use indoor only
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 160, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year

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Rheem RTEX-04 3.5kW 120V Point of Use Electric Tankless Water Heater, Gray

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Rheem RTEX-04 3.5kW 120V Point of Use Electric Tankless Water Heater, Gray

Current price: 165 USD


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Height: 10.875 Inches

Length: 5.875 Inches

Width: 2.75 Inches

Weight: 4.5 Pounds

  • 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)
  • 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
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • 54 A
  • Please refer the User Manual for installation instruction.
  • Modulating power. Specifications:Great for single shower applications, 240 Volts - 13KW, 4.0 GPM maximum flow rate
  • Rugged brass/copper heat exchanger
  • Standard 1/2" water connection
  • On-unit temperature control, LEDs indicate active element and standby mode
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • For use indoor only
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 160, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled
  • Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f

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Rheem RTEX-06 6kW 240V Point of Use Electric Tankless Water Heater, Gray

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Rheem RTEX-06 6kW 240V Point of Use Electric Tankless Water Heater, Gray

Current price: 171 USD


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Height: 10.875 Inches

Length: 5.875 Inches

Width: 2.75 Inches

Weight: 4.5 Pounds

  • 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)
  • 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
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • 54 A
  • Please refer the User Manual for installation instruction.
  • Modulating power. Specifications:Great for single shower applications, 240 Volts - 13KW, 4.0 GPM maximum flow rate
  • Rugged brass/copper heat exchanger
  • Standard 1/2" water connection
  • On-unit temperature control, LEDs indicate active element and standby mode
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • For use indoor only
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 160, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled
  • Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f
  • On demand, consistent and continuous hot water
  • Bottom 1/2" NPT water connections
  • Perfect for 1 or 2 sinks
  • 6 kW Model Flow Rate: up to 1.0 GPM
  • Push-button ON/OFF control with LED temperature display

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Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater

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Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater

Current price: 1180 USD


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Height: 27.5 Inches

Length: 18.5 Inches

Width: 9.75 Inches

  • 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)
  • 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
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • 54 A
  • Please refer the User Manual for installation instruction.
  • Modulating power. Specifications:Great for single shower applications, 240 Volts - 13KW, 4.0 GPM maximum flow rate
  • Rugged brass/copper heat exchanger
  • Standard 1/2" water connection
  • On-unit temperature control, LEDs indicate active element and standby mode
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • For use indoor only
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 160, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled
  • Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f
  • On demand, consistent and continuous hot water
  • Bottom 1/2" NPT water connections
  • Perfect for 1 or 2 sinks
  • 6 kW Model Flow Rate: up to 1.0 GPM
  • Push-button ON/OFF control with LED temperature display
  • Low Nox Version
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Third party efficiency listed by AHRI
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger

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Rheem RTGH-RH11DVLN Prestige Series Professional Condensing Tankless Gas Water Heaters With Built-in Recirculation, Gray

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Rheem RTGH-RH11DVLN Prestige Series Professional Condensing Tankless Gas Water Heaters With Built-in Recirculation, Gray

Current price: 1293.74 USD


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Height: 28.7 Inches

Length: 14.8 Inches

Width: 17.3 Inches

Weight: 85 Pounds

Warranty: 25 years Heat exchanger - Residental

  • 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)
  • 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
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • 54 A
  • Please refer the User Manual for installation instruction.
  • Modulating power. Specifications:Great for single shower applications, 240 Volts - 13KW, 4.0 GPM maximum flow rate
  • Rugged brass/copper heat exchanger
  • Standard 1/2" water connection
  • On-unit temperature control, LEDs indicate active element and standby mode
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • For use indoor only
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 160, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled
  • Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f
  • On demand, consistent and continuous hot water
  • Bottom 1/2" NPT water connections
  • Perfect for 1 or 2 sinks
  • 6 kW Model Flow Rate: up to 1.0 GPM
  • Push-button ON/OFF control with LED temperature display
  • Low Nox Version
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Third party efficiency listed by AHRI
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger
  • For use indoor only
  • Instant hot water
  • Built-in recirculation pump
  • 199, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year

More Info

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