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HVAC Relays

67 results found that include 67 products

Install snap-acting HVAC relays from Grainger in any position for remote control of air conditioning, heating and ventilation systems. Control fans, blowers, motors up to 1-1/2HP, tools and other electrical devices within ratings. Shop here for magnetic AC switching relays (SPST and DPST), heavy-duty enclosed fan relays and conduit connector enclosed switching relays. You’ll also find transformer combinations, including conduit box/unit mount, conduit/unit mount for hydronic applications, and junction box mount relays. Count on Grainger for the HVAC relays you need to control all your heating, ventilation and air conditioning systems.Close

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Results per page:  16 | 32 | 48
Relay,Magnetic, SPDT, Coil 24V
Relay,Magnetic, SPDT, Coil 24V
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 5MLZ9
  • Mfr. Model # 5MLZ9
  • Relay, Magnetic, Coil Volts 24, Switch Type SPDT, HP 3/4, Resistive Amps @ 120V 18, Full Load Amps @ 120V 40,...More

Relay,Fan,24 Vac
Relay,Fan,24 Vac
  • WHITE-RODGERS
  • Item # 1N184
  • Mfr. Model # 90-370
  • Enclosed Fan Relay, Coil Voltage 24 VAC, Contact Current Rating 14 Amps, Coil Voltage Rating @ 50/60 Hz 24...More

Enclosed Fan Relay,SPDT,277V Coil
Enclosed Fan Relay,SPDT,277V Coil
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6ACJ1
  • Mfr. Model # 6ACJ1
  • Magnetic Relay, Enclosed Fan, Coil Volts 277, Switch Type SPDT, Full Load Amps @ 120V 14, Full Load Amps @...More

Relay,Fan,24 Vac
Relay,Fan,24 Vac
  • WHITE-RODGERS
  • Item # 1N185
  • Mfr. Model # 90-380
  • Heavy Duty Fan Relay, Coil Voltage 24 VAC, Contact Current Rating 14 Amps, Coil Voltage Rating @ 50/60 Hz 24...More

Enclosed Fan Relay,SPNO/SPNC,24V
Enclosed Fan Relay,SPNO/SPNC,24V
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6AZU3
  • Mfr. Model # 6AZU3
  • Magnetic Relay, Enclosed Fan, Coil Volts 24, Switch Type SPNO/SPNC, Full Load Amps @ 120V 14, Full Load Amps...More

Relay,Switching,24 V
Relay,Switching,24 V
  • WHITE-RODGERS
  • Item # 4E943
  • Mfr. Model # 90-340
  • Magnetic Relay, AC Switching, Coil Volts 24, Transformer Primary (V) -, Transformer Secondary (V) -, Switch...More

Relay,Switching,24 Vac
Relay,Switching,24 Vac
  • HONEYWELL
  • Item # 2E682
  • Mfr. Model # R8222D1014
  • General Purpose Switching Relay, Coil Voltage 24 VAC, Switch Action DPDT, Height 1 7/8 Inches, Depth 2 3/8...More

Relay,Magnetic,DPST,Coil 120V
Relay,Magnetic,DPST,Coil 120V
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 5MMA6
  • Mfr. Model # 5MMA6
  • Relay, Magnetic, Coil Volts 120, Switch Type DPST, HP 1-1/2, Resistive Amps @ 120V 30, Resistive Amps @ 240V...More

Relay,Switching,1/2 HP
Relay,Switching,1/2 HP
  • WHITE-RODGERS
  • Item # 4E944
  • Mfr. Model # 90-341
  • Switching Relay, Coil Voltage Rating @ 50/60 Hz 115/120 Volts, Voltage Rating 250 VAC, Power Rating 1/2 HP,...More

Relay,Fan,24 Vac
Relay,Fan,24 Vac
  • WHITE-RODGERS
  • Item # 4E659
  • Mfr. Model # 90-293Q
  • Enclosed Fan Relay, Coil Voltage 24 VAC, Contact Current Rating 8 Amps, Coil Voltage Rating @ 50/60 Hz 24...More

Compressor Contactor,24V Coil
Compressor Contactor,24V Coil
  • WHITE-RODGERS
  • Item # 36L351
  • Mfr. Model # 49P11-843
  • Compressor Contactor, Electronic, Coil Volts 2440 Full Load Amps @ 240VAC, 200303-7/8, 2-3/4, 2-3/8,...More

Center,Fan,3/4 HP
Center,Fan,3/4 HP
  • HONEYWELL
  • Item # 2E857
  • Mfr. Model # R8239A1052
  • Fan Center, Primary Voltage 120 Volts, Secondary Voltage 24 Volts, Power Rating 3/4 HP, Power Rating @ 120...More

Center,Fan Control
Center,Fan Control
  • WHITE-RODGERS
  • Item # 2E852
  • Mfr. Model # 90-113
  • Fan Control Center, Primary Voltage 120 Volts, Secondary Voltage 24 Volts, Power Rating 3/4 HP, Power Rating...More

Relay,Magnetic,DPST,Coil 24V
Relay,Magnetic,DPST,Coil 24V
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 5MMA5
  • Mfr. Model # 5MMA5
  • Relay, Magnetic, Coil Volts 24, Switch Type DPST, HP 1-1/2, Resistive Amps @ 120V 30, Resistive Amps @ 240V...More

Transformer Relay,SPDT
Transformer Relay,SPDT
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6AZH5
  • Mfr. Model # 6AZH5
  • Transformer Relay, 4x4 Junction Box Mount, Coil Volts 24, Transformer Primary (V) 120, Transformer Secondary...More

Enclosed Fan Relay,SPDT,24V Coil
Enclosed Fan Relay,SPDT,24V Coil
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6AZU4
  • Mfr. Model # 6AZU4
  • Magnetic Relay, Enclosed Fan, Coil Volts 24, Switch Type SPDT, Full Load Amps @ 120V 14, Full Load Amps @...More

Magnetic Relay,Switching,24V Coil
Magnetic Relay,Switching,24V Coil
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6ACH5
  • Mfr. Model # 6ACH5
  • Magnetic Relay, Switching, Coil Volts 24, Switch Type DPST, Full Load Amps @ 120V 12, Full Load Amps @ 208V...More

Transformer Relay,DPDT
Transformer Relay,DPDT
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6AZH6
  • Mfr. Model # 6AZH6
  • Transformer Relay, 4x4 Junction Box Mount, Coil Volts 24, Transformer Primary (V) 120, Transformer Secondary...More

Relay,Magnetic,SPST,Coil 24V
Relay,Magnetic,SPST,Coil 24V
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 5MMA2
  • Mfr. Model # 5MMA2
  • Relay, Magnetic, Coil Volts 24, Switch Type SPST, HP 2, Resistive Amps @ 120V 30, Resistive Amps @ 240V 30,...More

Magnetic Relay,Switching,120 V Coil
Magnetic Relay,Switching,120 V Coil
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6AZU0
  • Mfr. Model # 6AZU0
  • Magnetic Relay, Switching, Coil Volts 120, Switch Type DPDT, Full Load Amps @ 120V 12, Full Load Amps @ 208V...More

Magnetic Relay,Switching, 24V Coil
Magnetic Relay,Switching, 24V Coil
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6AZT9
  • Mfr. Model # 6AZT9
  • Magnetic Relay, Switching, Coil Volts 24, Switch Type DPDT, Full Load Amps @ 120V 12, Full Load Amps @ 208V...More

Enclosed Fan Relay,SPST,120V Coil
Enclosed Fan Relay,SPST,120V Coil
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6ACH8
  • Mfr. Model # 6ACH8
  • Magnetic Relay, Enclosed Fan, Coil Volts 120, Switch Type SPNO, Full Load Amps @ 120V 14, Full Load Amps @...More

Enclosed Fan Relay,SPNO,24V
Enclosed Fan Relay,SPNO,24V
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6AZU2
  • Mfr. Model # 6AZU2
  • Magnetic Relay, Enclosed Fan, Coil Volts 24, Switch Type SPNO, Full Load Amps @ 120V 14, Full Load Amps @...More

Enclosed Fan Relay,SPST,277V Coil
Enclosed Fan Relay,SPST,277V Coil
  • TM

    Grainger Choice

  • GRAINGER APPROVED
  • Item # 6ACJ0
  • Mfr. Model # 6ACJ0
  • Magnetic Relay, Enclosed Fan, Coil Volts 277, Switch Type SPNO, Full Load Amps @ 120V 14, Full Load Amps @...More

Magnetic Relay,24V Coil,30A
Magnetic Relay,24V Coil,30A
  • TM

    Grainger Choice

  • DAYTON
  • Item # 18F255
  • Mfr. Model # 18F255
  • Relay, Magnetic, Coil Volts 24, Switch Type DPST, 30 Full Load Amps @ 120V, Foot Mounting, For Use With Air...More

Center,Fan Control
Center,Fan Control
  • WHITE-RODGERS
  • Item # 3TZ56
  • Mfr. Model # 90-112
  • Fan Control Center, Primary Voltage 120 Volts, Secondary Voltage 24 Volts, Power Rating 3/4 HP, Power Rating...More

Relay,Electric Heat
Relay,Electric Heat
  • WHITE-RODGERS
  • Item # 2E346
  • Mfr. Model # 24A01G-3
  • Electric Heat Relay, Contact Current Rating 12 Amps, Coil Voltage Rating @ 50/60 Hz 240 VAC, Resistive Power...More

Relay,Fan,115/120 Vac
Relay,Fan,115/120 Vac
  • WHITE-RODGERS
  • Item # 4E941
  • Mfr. Model # 90-294Q
  • Enclosed Fan Relay, Coil Voltage 115/120 VAC, Contact Current Rating 8 Amps, Coil Voltage Rating @ 50/60 Hz...More

Zoning Control,2 Zone
Zoning Control,2 Zone
  • TACO
  • Item # 6XJX7
  • Mfr. Model # SR502-4
  • Zoning Control, 2 Zone, HP 1/3 HP Per Zone, Full Load Amps @ 120V 6 Per Zone, Current Drawn (Amps) Max 15,...More

Relay,Fan,208/240 Vac
Relay,Fan,208/240 Vac
  • WHITE-RODGERS
  • Item # 4E942
  • Mfr. Model # 90-295Q
  • Enclosed Fan Relay, Coil Voltage 208/240 VAC, Contact Current Rating 8 Amps, Coil Voltage Rating @ 50/60 Hz...More

Center,Fan Control
Center,Fan Control
  • HONEYWELL
  • Item # 4E393
  • Mfr. Model # R8285A1048
  • Fan Control Center, Primary Voltage 120 Volts, Secondary Voltage 24 Volts, Power Rating 3/4 HP, Power Rating...More

Switching Relay,24 V
Switching Relay,24 V
  • HONEYWELL
  • Item # 2E866
  • Mfr. Model # RA89A1074
  • Switching Relay, Hydronic, Full Load Amps @ 120V 10.2, @ 240VAC 5.1, Locked Rotor Amps @ 120V 61.2, @ 240V...More

Results per page:  16 | 32 | 48
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More