Best HVAC Relays. Reviews June, 2021

Trane BAY24VRPAC52DCA Conventional 24 Volt HVAC System Interface Relay Panel

Search only Trane brand name
Trane BAY24VRPAC52DCA Conventional 24 Volt HVAC System Interface Relay Panel

Current price: 194.49 USD


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  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems

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White Rodgers • 90-380 Replacement Heavy Duty Switching Fan Relay SPST 1-NO , 1-NC 24 V Coil

Search only Packard brand name
White Rodgers • 90-380 Replacement Heavy Duty Switching Fan Relay SPST 1-NO , 1-NC 24 V Coil

Current price: 15 USD


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  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems

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Emerson 90 380 Fan Relay 24 Volt Coil, 1

Search only Emerson Thermostats brand name
Emerson 90 380 Fan Relay 24 Volt Coil, 1

Current price: 8.72 USD


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Height: 2 Inches

Length: 4 Inches

Width: 4 Inches

Weight: 0.1 Pounds

  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Heavy-Duty Single Pole Nor Open

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Emerson Thermostats White Rodgers 90-340 2 & 3 Pole Relay

Search only Emerson Thermostats brand name
Emerson Thermostats White Rodgers 90-340 2 & 3 Pole Relay

Current price: 9.56 USD


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Height: 2 Inches

Length: 4 Inches

Width: 4 Inches

Weight: 0.3 Pounds

  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Heavy-Duty Single Pole Nor Open
  • Country of Origin: China
  • Model number: 90-340
  • Brand name: Emerson Thermostats
  • 2 &3 Pole Relay

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White Rodgers 90-340 • 90-340 Replacement Heavy Duty Switching Fan Relay DPDT 24 VAC Coil

Search only Packard brand name
White Rodgers 90-340 • 90-340 Replacement Heavy Duty Switching Fan Relay DPDT 24 VAC Coil

Current price: 10.25 USD


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Weight: 1 Pounds

  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Heavy-Duty Single Pole Nor Open
  • Country of Origin: China
  • Model number: 90-340
  • Brand name: Emerson Thermostats
  • 2 &3 Pole Relay
  • Individually Boxed
  • Standard 1/4" Male TerminalsIndividually Boxed
  • Foot Mount
  • Compact design
  • For heating and cooling applications and general switching

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HQRP Three Pole / 3-Pole 40 Amp Coil 24-Volt AC Contactor HVAC Definite Purpose Relay Compatible with C25DNF340T 42CF35AJBCE CR453AD3HAA 3100Y30Q10999 400-DP40NJ3 8910DPA43V14, UL Listed

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HQRP Three Pole / 3-Pole 40 Amp Coil 24-Volt AC Contactor HVAC Definite Purpose Relay Compatible with C25DNF340T 42CF35AJBCE CR453AD3HAA 3100Y30Q10999 400-DP40NJ3 8910DPA43V14, UL Listed

Current price: 22.95 USD


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  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Heavy-Duty Single Pole Nor Open
  • Country of Origin: China
  • Model number: 90-340
  • Brand name: Emerson Thermostats
  • 2 &3 Pole Relay
  • Individually Boxed
  • Standard 1/4" Male TerminalsIndividually Boxed
  • Foot Mount
  • Compact design
  • For heating and cooling applications and general switching
  • 200 Days warranty!
  • Compatible with C25DNF340T 42CF35AJBCE CR453AD3HAA 3100Y30Q10999 400-DP40NJ3 8910DPA43V14;
  • UL Listed; Three Pole / 3-Pole; Rated for 40 Amps; Coil Voltage: 24V AC; Compact Size; Weld-Resistant Silver Cadmium Oxide Contacts; Reinforced Thermoset Polyester Housing; Quiet Operation;
  • HQRP® Contactor;

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Podoy SPP6 Hard Start Capacitor Replacement Compatible with Supco Relay 1/2HP-10HP 500% Increase Starting Torque 120-288V AC Compressor(Pack of 2)

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Podoy SPP6 Hard Start Capacitor Replacement Compatible with Supco Relay 1/2HP-10HP 500% Increase Starting Torque 120-288V AC Compressor(Pack of 2)

Current price: 18.68 USD


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  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Heavy-Duty Single Pole Nor Open
  • Country of Origin: China
  • Model number: 90-340
  • Brand name: Emerson Thermostats
  • 2 &3 Pole Relay
  • Individually Boxed
  • Standard 1/4" Male TerminalsIndividually Boxed
  • Foot Mount
  • Compact design
  • For heating and cooling applications and general switching
  • 200 Days warranty!
  • Compatible with C25DNF340T 42CF35AJBCE CR453AD3HAA 3100Y30Q10999 400-DP40NJ3 8910DPA43V14;
  • UL Listed; Three Pole / 3-Pole; Rated for 40 Amps; Coil Voltage: 24V AC; Compact Size; Weld-Resistant Silver Cadmium Oxide Contacts; Reinforced Thermoset Polyester Housing; Quiet Operation;
  • HQRP® Contactor;
  • ▲If you have questions, please feel free to contact us, we will deal with it as soon as possible. for any reason you're not completely satisfied, you can ask for a replacement or full refund.
  • ▲Replace for: TJ90HS6,AP4502872,35702, DST-6, ERPP6, HS6, HS650.
  • ▲It can be used on a wide range of air conditioning compressors from 4,000 BTU window units to 10-ton commercial units.
  • ▲The solid-state relay and hard start capacitor no loose parts or complicated wiring. Just wire it across your run capacitor.
  • ▲The SPP6 Compressor Hard Start Booster Capacitor can save stuck compressor by increasing the compressor’s starting torque by 500%.

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White Rodgers 90-370 Fan Relay Rbm Type 184 Heavy-duty Enclosed

Search only White-Rodgers / Emerson brand name
White Rodgers 90-370 Fan Relay Rbm Type 184 Heavy-duty Enclosed

Current price: 11.11 USD

Saving: $0.54 (5%)


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Height: 1.9 Inches

Length: 2.3 Inches

Width: 2.8 Inches

Weight: 0.0440924524 Pounds

  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Heavy-Duty Single Pole Nor Open
  • Country of Origin: China
  • Model number: 90-340
  • Brand name: Emerson Thermostats
  • 2 &3 Pole Relay
  • Individually Boxed
  • Standard 1/4" Male TerminalsIndividually Boxed
  • Foot Mount
  • Compact design
  • For heating and cooling applications and general switching
  • 200 Days warranty!
  • Compatible with C25DNF340T 42CF35AJBCE CR453AD3HAA 3100Y30Q10999 400-DP40NJ3 8910DPA43V14;
  • UL Listed; Three Pole / 3-Pole; Rated for 40 Amps; Coil Voltage: 24V AC; Compact Size; Weld-Resistant Silver Cadmium Oxide Contacts; Reinforced Thermoset Polyester Housing; Quiet Operation;
  • HQRP® Contactor;
  • ▲If you have questions, please feel free to contact us, we will deal with it as soon as possible. for any reason you're not completely satisfied, you can ask for a replacement or full refund.
  • ▲Replace for: TJ90HS6,AP4502872,35702, DST-6, ERPP6, HS6, HS650.
  • ▲It can be used on a wide range of air conditioning compressors from 4,000 BTU window units to 10-ton commercial units.
  • ▲The solid-state relay and hard start capacitor no loose parts or complicated wiring. Just wire it across your run capacitor.
  • ▲The SPP6 Compressor Hard Start Booster Capacitor can save stuck compressor by increasing the compressor’s starting torque by 500%.

More Info

Emerson 90-370 Fan Relay Rbm Type 184 Heavy-Duty Enclosed

Search only Emerson Thermostats brand name
Emerson 90-370 Fan Relay Rbm Type 184 Heavy-Duty Enclosed

Current price: 9.92 USD

Saving: $0.72 (7%)


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Height: 1.5 Inches

Length: 3 Inches

Width: 2 Inches

Weight: 0.05 Pounds

  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Heavy-Duty Single Pole Nor Open
  • Country of Origin: China
  • Model number: 90-340
  • Brand name: Emerson Thermostats
  • 2 &3 Pole Relay
  • Individually Boxed
  • Standard 1/4" Male TerminalsIndividually Boxed
  • Foot Mount
  • Compact design
  • For heating and cooling applications and general switching
  • 200 Days warranty!
  • Compatible with C25DNF340T 42CF35AJBCE CR453AD3HAA 3100Y30Q10999 400-DP40NJ3 8910DPA43V14;
  • UL Listed; Three Pole / 3-Pole; Rated for 40 Amps; Coil Voltage: 24V AC; Compact Size; Weld-Resistant Silver Cadmium Oxide Contacts; Reinforced Thermoset Polyester Housing; Quiet Operation;
  • HQRP® Contactor;
  • ▲If you have questions, please feel free to contact us, we will deal with it as soon as possible. for any reason you're not completely satisfied, you can ask for a replacement or full refund.
  • ▲Replace for: TJ90HS6,AP4502872,35702, DST-6, ERPP6, HS6, HS650.
  • ▲It can be used on a wide range of air conditioning compressors from 4,000 BTU window units to 10-ton commercial units.
  • ▲The solid-state relay and hard start capacitor no loose parts or complicated wiring. Just wire it across your run capacitor.
  • ▲The SPP6 Compressor Hard Start Booster Capacitor can save stuck compressor by increasing the compressor’s starting torque by 500%.
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Rbm Type 184 Heavy-Duty Enclosed

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Air Gas North Central Inc 90-340 White Rodgers Switching Relay

Search only Air Gas North Central Inc brand name
Air Gas North Central Inc 90-340 White Rodgers Switching Relay

Current price: 9.76 USD

Saving: $7.62 (44%)


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Height: 3.5 Inches

Length: 1.5 Inches

Width: 2.5 Inches

Weight: 0.3 Pounds

Warranty: This is a genuine OEM part

  • LED Stage Indicators
  • 5 Heat (Gas , Oil ,Electric), 2 Cooling, Heat Pump, Dual Fuel
  • Relay Panel for use with Communicating Controls and 24V indoor systems or Hybrid Systems
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Heavy-Duty Single Pole Nor Open
  • Country of Origin: China
  • Model number: 90-340
  • Brand name: Emerson Thermostats
  • 2 &3 Pole Relay
  • Individually Boxed
  • Standard 1/4" Male TerminalsIndividually Boxed
  • Foot Mount
  • Compact design
  • For heating and cooling applications and general switching
  • 200 Days warranty!
  • Compatible with C25DNF340T 42CF35AJBCE CR453AD3HAA 3100Y30Q10999 400-DP40NJ3 8910DPA43V14;
  • UL Listed; Three Pole / 3-Pole; Rated for 40 Amps; Coil Voltage: 24V AC; Compact Size; Weld-Resistant Silver Cadmium Oxide Contacts; Reinforced Thermoset Polyester Housing; Quiet Operation;
  • HQRP® Contactor;
  • ▲If you have questions, please feel free to contact us, we will deal with it as soon as possible. for any reason you're not completely satisfied, you can ask for a replacement or full refund.
  • ▲Replace for: TJ90HS6,AP4502872,35702, DST-6, ERPP6, HS6, HS650.
  • ▲It can be used on a wide range of air conditioning compressors from 4,000 BTU window units to 10-ton commercial units.
  • ▲The solid-state relay and hard start capacitor no loose parts or complicated wiring. Just wire it across your run capacitor.
  • ▲The SPP6 Compressor Hard Start Booster Capacitor can save stuck compressor by increasing the compressor’s starting torque by 500%.
  • Brand Name: Emerson Thermostats
  • This Is Manufactured In United States
  • Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal
  • Fan Relay Rbm Type 184 Heavy-Duty Enclosed
  • Country of Origin: China
  • White Rodgers item
  • Genuine Replacement Part
  • Manufacturer Model 90-340

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