Skip Content

HVAC Relays

70 results found that include 70 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

Filter Results By

Viewing as

List
  • 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, 14 Full Load Amps @ 120VAC, 60, 8 Full...More

  • Relay,Switching,24 Vac
    Relay,Switching,24 Vac
    • HONEYWELL
    • Item # 2E682
    • Mfr. Model # R8222D1014
    • Magnetic Relay, AC Switching, Coil Volts 24, Switch Type DPDT, 3/4 HP, 20.8, 12 Full Load Amps @ 120VAC, 60,...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, 14 Full Load Amps @ 120VAC, 60, 8 Full Load...More

  • Relay,Switching,24 V
    Relay,Switching,24 V
    • WHITE-RODGERS
    • Item # 4E943
    • Mfr. Model # 90-340
    • Magnetic Relay, AC Switching, Coil Volts 24, Switch Type DPDT, 1/2 HP, -, 12 Full Load Amps @ 120VAC, 60, -,...More

  • Relay,Fan,24 Vac
    Relay,Fan,24 Vac
    • WHITE-RODGERS
    • Item # 1N184
    • Mfr. Model # 90-370
    • Magnetic Relay, Enclosed Fan Relay (Heavy-Duty), Coil Volts 24, Switch Type SPDT, - HP, 18, 12 Full Load Amps...More

  • Relay,Switching,1/2 HP
    Relay,Switching,1/2 HP
    • WHITE-RODGERS
    • Item # 4E944
    • Mfr. Model # 90-341
    • Magnetic Relay, AC Switching, Coil Volts 115/120, Switch Type DPDT, 1/2 HP, -, 12 Full Load Amps @ 120VAC,...More

  • Relay,Fan,24 Vac
    Relay,Fan,24 Vac
    • WHITE-RODGERS
    • Item # 1N185
    • Mfr. Model # 90-380
    • Magnetic Relay, Enclosed Fan Relay (Heavy-Duty), Coil Volts 24, Switch Type SPNO/SPNC, - HP, 18, 12 Full Load...More

  • Relay,Fan,24 Vac
    Relay,Fan,24 Vac
    • WHITE-RODGERS
    • Item # 4E659
    • Mfr. Model # 90-293Q
    • Magnetic Relay, Enclosed Fan Relay (Heavy-Duty), Coil Volts 24, Switch Type SPDT, - HP, 16, 8 Full Load Amps...More

  • Zoning Control,6 Zone
    Zoning Control,6 Zone
    • TACO
    • Item # 6XJY0
    • Mfr. Model # SR506-4
    • Zoning Control, 6 Zone, Switch Type 6 Zone, 1/3 HP Per Zone HP, 6 Per Zone Full Load Amps @ 120VAC, Max 20,...More

  • Relay,Switching
    Relay,Switching
    • HONEYWELL
    • Item # 1RC37
    • Mfr. Model # R8845U1003
    • Transformer Relay, Conduit/Unit Mount (Hydronic Application), Coil Volts 24, Transformer Primary (V) 120,...More

  • Center,Fan,3/4 HP
    Center,Fan,3/4 HP
    • HONEYWELL
    • Item # 2E857
    • Mfr. Model # R8239A1052
    • Transformer Relay, 4x4 Junction Box Mount, Coil Volts 24, Transformer Primary (V) 120, Transformer Secondary...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, 1-1/2 HP, 30, 30, 30 Full Load Amps @ 240VAC, 125, 30, 30...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, 30 Full Load Amps @ 120VAC, 120, Foot Mounting, Air...More

  • 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, 3/4 HP, 18, 40 Full Load Amps @ 120VAC, 18, 18 Full Load...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, 14 Full Load Amps @ 120VAC, 60, 8 Full Load...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, 1-1/2 HP, 30, 30, 30 Full Load Amps @ 240VAC, 125, 30, 30...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, 12 Full Load Amps @ 120VAC, 60, 6, 6 Full Load...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

  • Enclosed Fan Relay,SPDT,208/240V Coil
    Enclosed Fan Relay,SPDT,208/240V Coil
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 6ACJ3
    • Mfr. Model # 6ACJ3
    • Magnetic Relay, Enclosed Fan, Coil Volts 208/240, Switch Type SPNO/SPNC, 14 Full Load Amps @ 120VAC, 60, 8...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,120V Coil
    Enclosed Fan Relay,SPDT,120V Coil
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 6ACJ2
    • Mfr. Model # 6ACJ2
    • Magnetic Relay, Enclosed Fan, Coil Volts 120, Switch Type SPNO/SPNC, 14 Full Load Amps @ 120VAC, 60, 8 Full...More

  • Transformer Relay,SPNO/SPNC
    Transformer Relay,SPNO/SPNC
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 6AZH4
    • Mfr. Model # 6AZH4
    • Transformer Relay, 4x4 Junction Box Mount, Coil Volts 24, Transformer Primary (V) 120, Transformer Secondary...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, 14 Full Load Amps @ 120VAC, 60, 8 Full Load...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, 12 Full Load Amps @ 120VAC, 60, 6, 6 Full Load...More

  • Relay,Fan,115/120 Vac
    Relay,Fan,115/120 Vac
    • WHITE-RODGERS
    • Item # 4E941
    • Mfr. Model # 90-294Q
    • Magnetic Relay, Enclosed Fan Relay (Heavy-Duty), Coil Volts 115/120, Switch Type SPDT, - HP, 16, 8 Full Load...More

  • Relay,Switching
    Relay,Switching
    • WHITE-RODGERS
    • Item # 4E945
    • Mfr. Model # 90-342
    • Magnetic Relay, AC Switching, Coil Volts 208/240, Switch Type DPDT, 1/2 HP, -, 12 Full Load Amps @ 120VAC,...More

  • Center,Fan Control
    Center,Fan Control
    • WHITE-RODGERS
    • Item # 3TZ56
    • Mfr. Model # 90-112
    • Transformer Relay, 4X4 Junction Box Mount, Coil Volts 24, Transformer Primary (V) 120, Transformer Secondary...More

  • Center,Fan Control
    Center,Fan Control
    • WHITE-RODGERS
    • Item # 2E852
    • Mfr. Model # 90-113
    • Transformer Relay, 4X4 Junction Box Mount, Coil Volts 24, Transformer Primary (V) 120, Transformer Secondary...More

  • Relay,Electric Heat
    Relay,Electric Heat
    • WHITE-RODGERS
    • Item # 2E346
    • Mfr. Model # 24A01G-3
    • Transformer Relay, Conduit Box/Unit Mount, Coil Volts 240, Transformer Primary (V) 240, Transformer Secondary...More

  • Zoning Control,3 Zone
    Zoning Control,3 Zone
    • TACO
    • Item # 6XJX8
    • Mfr. Model # SR503-4
    • Zoning Control, 3 Zone, Switch Type 3 Zone, 1/3 HP Per Zone HP, 6 Per Zone Full Load Amps @ 120VAC, Max 15,...More

  • Compressor Contactor,24V Coil
    Compressor Contactor,24V Coil
    • WHITE-RODGERS
    • Item # 36L351
    • Mfr. Model # 49P11-843
    • Compressor Contactor, Electronic, Coil Volts 24, Switch Type Electronic, 40 Full Load Amps @ 240VAC, 200, 30,...More

  • Center,Fan Control
    Center,Fan Control
    • HONEYWELL
    • Item # 4E393
    • Mfr. Model # R8285A1048
    • Transformer Relay, 4x4 Junction Box Mount, Coil Volts 24, Transformer Primary (V) 120, Transformer Secondary...More

View More
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More