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HVAC Relays

66 results found that include 66 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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  • 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 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

  • 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

  • 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,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

  • 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

  • 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

  • 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

  • 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,Switching
    Relay,Switching
    • HONEYWELL
    • Item # 1RC37
    • Mfr. Model # R8845U1003
    • Transformer Relay, Conduit/Unit Mount (Hydronic Application), Coil Volts 24, Switch Type 2 SPST plus 1...More

  • Zoning Control,6 Zone
    Zoning Control,6 Zone
    • TACO
    • Item # 6XJY0
    • Mfr. Model # SR506-4
    • Zoning Control, 6 Zone, HP 1/3 HP Per Zone, Full Load Amps @ 120V 6 Per Zone, Current Drawn (Amps) Max 20,...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

  • 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,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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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, Full Load Amps @ 120V 14, Full Load...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, Full Load Amps @ 120V 14, Full Load Amps...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

  • 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

  • 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

  • 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

  • Relay,Fan,24 Vac
    Relay,Fan,24 Vac
    • WHITE-RODGERS
    • Item # 2E461
    • Mfr. Model # 8A04-1
    • Fan Relay, Coil Voltage 24 VAC, Current Rating @ 120 VAC Normally Closed 9.8 Amps, Current Rating @ 240 VAC...More

  • Relay,Fan,24 Vac
    Relay,Fan,24 Vac
    • WHITE-RODGERS
    • Item # 4E658
    • Mfr. Model # 90-290Q
    • Enclosed Fan Relay, Coil Voltage 24 VAC, Contact Current Rating 8 Amps, Coil Voltage Rating @ 50/60 Hz 24...More

  • Relay,Switching,24 Vac
    Relay,Switching,24 Vac
    • HONEYWELL
    • Item # 2E681
    • Mfr. Model # R8222B1067
    • General Purpose Switching Relay, Coil Voltage 24 VAC, Switch Action SPDT, Height 1 7/8 Inches, Depth 2 3/8...More

  • Zoning Control,3 Zone
    Zoning Control,3 Zone
    • TACO
    • Item # 6XJX8
    • Mfr. Model # SR503-4
    • Zoning Control, 3 Zone, HP 1/3 HP Per Zone, Full Load Amps @ 120V 6 Per Zone, Current Drawn (Amps) Max 15,...More

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