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HVAC Relays

70 products found

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

    Brand
    GRAINGER APPROVED
    Item #
    6AZU3
    Mfr. Model #
    6AZU3
    Enclosed Fan Relay,SPNO/SPNC,24V
    Web Price $6.50 / each
  • Relay, Switching, 24 Vac

    Brand
    HONEYWELL
    Item #
    2E682
    Mfr. Model #
    R8222D1014
    Relay,Switching,24 Vac
  • Enclosed Fan Relay, SPNO, 24V

    Brand
    GRAINGER APPROVED
    Item #
    6AZU2
    Mfr. Model #
    6AZU2
    Enclosed Fan Relay,SPNO,24V
    Web Price $6.50 / each
  • Relay, Switching, 24 V

    Brand
    WHITE-RODGERS
    Item #
    4E943
    Mfr. Model #
    90-340
    Relay,Switching,24 V
    Web Price $11.20 / each
  • Relay, Switching, 1/2 HP

    Brand
    WHITE-RODGERS
    Item #
    4E944
    Mfr. Model #
    90-341
    Relay,Switching,1/2 HP
    Web Price $10.25 / each
  • Relay, Fan, 24 Vac

    Brand
    WHITE-RODGERS
    Item #
    1N184
    Mfr. Model #
    90-370
    Relay,Fan,24 Vac
    Web Price $9.05 / each
  • Relay, Fan, 24 Vac

    Brand
    WHITE-RODGERS
    Item #
    4E659
    Mfr. Model #
    90-293Q
    Relay,Fan,24 Vac
    Web Price $8.40 / each
  • Relay, Fan, 24 Vac

    Brand
    WHITE-RODGERS
    Item #
    1N185
    Mfr. Model #
    90-380
    Relay,Fan,24 Vac
    Web Price $6.60 / each
  • Zoning Control, 6 Zone

    Brand
    TACO
    Item #
    6XJY0
    Mfr. Model #
    SR506-4
    Zoning Control,6 Zone
    Web Price $241.50 / each
  • Relay, Switching

    Brand
    HONEYWELL
    Item #
    1RC37
    Mfr. Model #
    R8845U1003
    Relay,Switching
  • Center, Fan, 3/4 HP

    Brand
    HONEYWELL
    Item #
    2E857
    Mfr. Model #
    R8239A1052
    Center,Fan,3/4 HP
  • Transformer Relay, DPDT

    Brand
    GRAINGER APPROVED
    Item #
    6AZH6
    Mfr. Model #
    6AZH6
    Transformer Relay,DPDT
    Web Price $20.15 / each
  • Relay, Magnetic, SPDT, Coil 24V

    Brand
    GRAINGER APPROVED
    Item #
    5MLZ9
    Mfr. Model #
    5MLZ9
    Relay,Magnetic, SPDT, Coil 24V
    Web Price $14.60 / each
  • Enclosed Fan Relay, SPDT, 24V Coil

    Brand
    GRAINGER APPROVED
    Item #
    6AZU4
    Mfr. Model #
    6AZU4
    Enclosed Fan Relay,SPDT,24V Coil
    Web Price $6.50 / each
  • Enclosed Fan Relay, SPDT, 277V Coil

    Brand
    GRAINGER APPROVED
    Item #
    6ACJ1
    Mfr. Model #
    6ACJ1
    Enclosed Fan Relay,SPDT,277V Coil
    Web Price $6.80 / each
  • Relay, Magnetic, DPST, Coil 120V

    Brand
    GRAINGER APPROVED
    Item #
    5MMA6
    Mfr. Model #
    5MMA6
    Relay,Magnetic,DPST,Coil 120V
    Web Price $17.50 / each
  • Transformer Relay, SPDT

    Brand
    GRAINGER APPROVED
    Item #
    6AZH5
    Mfr. Model #
    6AZH5
    Transformer Relay,SPDT
    Web Price $18.20 / each
  • Relay, Magnetic, DPST, Coil 24V

    Brand
    GRAINGER APPROVED
    Item #
    5MMA5
    Mfr. Model #
    5MMA5
    Relay,Magnetic,DPST,Coil 24V
    Web Price $16.30 / each
  • Transformer Relay, SPNO/SPNC

    Brand
    GRAINGER APPROVED
    Item #
    6AZH4
    Mfr. Model #
    6AZH4
    Transformer Relay,SPNO/SPNC
    Web Price $17.60 / each
  • Enclosed Fan Relay, SPDT, 208/240V Coil

    Brand
    GRAINGER APPROVED
    Item #
    6ACJ3
    Mfr. Model #
    6ACJ3
    Enclosed Fan Relay,SPDT,208/240V Coil
    Web Price $5.60 / each
  • Magnetic Relay, 24V Coil, 30A

    Brand
    DAYTON
    Item #
    18F255
    Mfr. Model #
    18F255
    Magnetic Relay,24V Coil,30A
    Web Price $20.75 / each
  • Enclosed Fan Relay, SPDT, 120V Coil

    Brand
    GRAINGER APPROVED
    Item #
    6ACJ2
    Mfr. Model #
    6ACJ2
    Enclosed Fan Relay,SPDT,120V Coil
    Web Price $6.80 / each
  • Magnetic Relay, Switching, 24V Coil

    Brand
    GRAINGER APPROVED
    Item #
    6ACH5
    Mfr. Model #
    6ACH5
    Magnetic Relay,Switching,24V Coil
    Web Price $7.35 / each
  • Magnetic Relay, Switching, 24V Coil

    Brand
    GRAINGER APPROVED
    Item #
    6AZT9
    Mfr. Model #
    6AZT9
    Magnetic Relay,Switching, 24V Coil
    Web Price $8.95 / each
  • Center, Fan Control

    Brand
    HONEYWELL
    Item #
    4E393
    Mfr. Model #
    R8285A1048
    Center,Fan Control
  • Zoning Control, 1 Zone

    Brand
    TACO
    Item #
    6XJX6
    Mfr. Model #
    SR501-4
    Zoning Control,1 Zone
    Web Price $71.75 / each
  • Zoning Control, 2 Zone

    Brand
    TACO
    Item #
    6XJX7
    Mfr. Model #
    SR502-4
    Zoning Control,2 Zone
    Web Price $164.50 / each
  • Zoning Control, 3 Zone

    Brand
    TACO
    Item #
    6XJX8
    Mfr. Model #
    SR503-4
    Zoning Control,3 Zone
    Web Price $181.00 / each
  • Relay, Fan, 115/120 Vac

    Brand
    WHITE-RODGERS
    Item #
    4E941
    Mfr. Model #
    90-294Q
    Relay,Fan,115/120 Vac
    Web Price $9.80 / each
  • Relay, Fan, 24 Vac

    Brand
    WHITE-RODGERS
    Item #
    4E658
    Mfr. Model #
    90-290Q
    Relay,Fan,24 Vac
    Web Price $9.15 / each
  • Switching Relay, 24 V

    Brand
    HONEYWELL
    Item #
    2E866
    Mfr. Model #
    RA89A1074
    Switching Relay,24 V
  • Relay, Fan, 24 Vac

    Brand
    WHITE-RODGERS
    Item #
    2E461
    Mfr. Model #
    8A04-1
    Relay,Fan,24 Vac
    Web Price $62.25 / each
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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