We stock the following replacement parts for Modine Hot Dawg HD & HDS gas unit heaters. You can also search for the Modine part you need by typing the part information in the search area at the top of the page.

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Modine Hot Dawg HD & HDS Conversion Kits modine, hot, dawg, hd, dog, gas, heater, conversion, kit, propane, natural, 401510, 4015100, 4015101, 4015102, 4015103, 4015104, 4015105
Price: $59.00
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(2)
Availability: In Stock - Usually ships in 1 to 2 days.
Item #: 401510 -

    These kits include all parts needed to convert all Modine HD & HDS heaters (hot surface and direct spark) either from propane (LP) to natural gas (NG) or vice versa. Modine Part # Fits Modine Models 3H37266-13H0372660001 HD30, HD45, HD60, HD75, HDS30, HDS45, HDS60, HDS75Conversion to propane kit. Fits all 1 stage gas valve units. 3H37276-13H0372760001 HD30, HD45, HD60, HD75, HDS30, HDS45, HDS60, HDS75Conversion to natural gas kit. Fits all 1 stage gas valve units. 3H37266-23H0372660002 HD100 &...

    Modine HD Fan Motor
    Price: $125 - $229
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    (1)
    Availability: In Stock - Usually ships in 1 to 2 days.
    Item #: 40151 -

      All stocked Modine Hot Dawg HD fan motors are listed below. They are all 120v motors. Fan motors only come with what is shown in the picture. Modine Part # Fits Modine Models 9F10262 HD30, HD45, HDS30, HDS45 9F30213 HD60, HD75, HDS60, HDS75 9F30220 HD100, HDS100 9F30216 HD125, HDS125 Item # 40151, 4015120, 4015130, 4015132, 4015135 ...

      Modine Hot Dawg HD Flame Rollout Switch modine, hd, hot, dawg, flame, rollout, switch, 4015140, 4015145, 4015150
      Price: $49.00
      Availability: In Stock - Usually ships in 1 to 2 days.
      Item #: 40 -

        Modine Hot Dawg HD heater flame rollout switch. Modine Part # Fits Modine Models 5H75002-2 HD30AH, HD45AH, HD60AH, HD75AH 5H75002-7 HD60AS, HD75AS, HDS30AS, HDS45AS, HDS60AS, HDS75AS, HDS125AS 5H75002-4 HD30AS, HD45AS, HD100AS, HD125AS, HDS100AS, HDS125AS Item # 40, 4015140, 4015145, 4015150 ...

        Modine Hot Dawg HD Flame Sensor modine, part, hd, hot, dawg, dog, flame, sensor, 5H75031, heater, gas
        Price: $55.00
        Availability: In Stock - Usually ships in 1 to 2 days.
        Item #: 4015220 -

          The Modine HD flame sensor detects heat from the flame of the burner and will cut the heater off if the flame goes out. Modine Part # 5H75031 (Works with all Modine Hot Dawg HD heaters.)

          Modine Hot Dawg HD Gas Smart Valve modine, hot, dawg, hd, dog, gas, valve, smart, part, heater, honey, well, 5H76382, 5H76383
          Price: $425.00
          Availability: In Stock - Usually ships in 1 to 2 days.
          Item #: 4015185 -

            The Modine HD gas valve (Resideo / Honeywell 1 Stage SmartValve) comes setup for natural gas (NG) and includes kit to convert to propane (LP). Replaces Modine Part # 5H76382 (NG) and 5H76383 (LP) This valve works with Modine HD30AH, HD45AH, HD60AH, & HD75AH heaters. These units have a hot surface igniter.

            Modine Hot Dawg HD Hot Surface Igniter modine, hot, dawg, hd, dog, gas, surface, igniter, part, heater, furnace, replacement, 5H75032
            Price: $59.00
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            (3)
            Availability: In Stock - Usually ships in 1 to 2 days.
            Item #: 4015160 -

              Modine Hot Dawg HD hot surface igniter. Modine Part # 5H75032 fits models HD30AH, HD45AH, HD60AH, & HD75AH

              Modine Hot Dawg HD Ignition Control Board modine, hot, dawg, hd, dog, ignition, control, board, module, circuit, heater, terminal, 5H79749
              Price: $149.00
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              (3)
              Availability: In Stock - Usually ships in 1 to 2 days.
              Item #: 4015325 -

                Modine Hot Dawg HD heater ignition control circuit board for HD and HDS heaters with spark ignition. Modine Part # Fits Modine Models 5H79749 HD30AS, HD45AS, HD60AS, HD75AS, HD100AS, HD125AS, HDS30AS, HDS45AS, HDS60AS, HDS75AS, HDS100AS, HDS125AS, ...

                Modine Hot Dawg HD Limit Control modine, hot, dawg, hd, dog, gas, heater, part, limit, control, 3H40078-2, 3H40078-3, 5H75769-1, 5H75769-2, switch, over, heat, 4015, 4015170, 4015180
                Price: $49 - $72
                Availability: In Stock - Usually ships in 1 to 2 days.
                Item #: 4015 -

                  The Modine HD Hot Dawg heater limit control part keeps the unit from overheating if a malfunction happens. Modine Part # Fits Modine Models 3H40078-3 (replaces 5H75769-1 & 5H75001) HD30, HD45, HD125, HDS30, HDS45, HDS125 3H40078-2 (replaces 5H75769-2) HD60, HD75, HD100, HDS60, HDS75, HDS100 Item # 4015, 4015170, 4015180 ...

                  Modine HD 30-75AH Power Exhauster
                  Price: $285 - $309
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                  (3)
                  Availability: In Stock - Usually ships in 1 to 2 days.
                  Item #: 401521 -

                    Modine Hot Dawg HD heater power exhauster / blower assembly includes blower motor attached to exhaust frame. Blower models 3H37362-1 and 3H37362-2 include gaskets as well. Blower model # 5H75038 does not come with a gasket.Replacement blower gaskets are available as well if needed. All stocked Modine Hot Dawg HD power exhausters are listed below. Modine Part # Fits Modine Models 5H75038 / 5H0750380000 HD30AH, HD45AH, HD60AH, HD75AH 3H37362-1 / 3H037362001 HD30AS, HD45AS, HD60AS, HD75AS...

                    Modine Hot Dawg HD Pressure Switch modine, hot, dawg, hd, dog, part, pressure, switch, air, flow, 4015250, 4015260, 4015265
                    Price: $59 - $75
                    Availability: In Stock - Usually ships in 1 to 2 days.
                    Item #: 401 -

                      The Modine HD pressure switch will cut the heater off if there is not enough air pressure in the exhaust to vent the heater properly. Modine Part # Fits Modine Models 5H75030-3Replaces part # 5H75030-2 HD30, HD45, HD60 5H75030-4 HD75 5H79441-9 HD100, HD125 Item # 401, 4015250, 4015260, 4015265 ...

                      Modine Hot Dawg HD Spark Igniter modine, hot, dawg, hd, dog, gas, spark, igniter, part, heater, furnace, replacement, 5H79636
                      Price: $55.00
                      Availability: In Stock - Usually ships in 1 to 2 days.
                      Item #: 4015155 -

                        Modine Hot Dawg HD direct spark igniter. Modine Part # 5H79636 fits models HD30AS, HD45AS, HD60AS, HD75AS, HD100AS, & HD125AS

                        Modine Hot Dawg HD Terminal Board + TD Relay modine, hot, dawg, hd, dog, part, terminal, board, circuit, time, delay, relay, control, 3H36849-1, 5H78126-1
                        Price: $89 - $129
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                        (12)
                        Availability: In Stock - Usually ships in 1 to 2 days.
                        Item #: 401531 -

                          Modine Part # 3H36849-1 and 5H78126-1 Replaces the separate Terminal Board (5H75028) and Time Delay Relay (5H75039) in older 101 and 102 series HD heaters and combines them into a single part. Replacement instructions and wiring diagram included. For Modine models HD30AH, HD45AH, HD60AH, & HD75AH Heater Part Options An aftermarket part is any part not sourced from the heater manufacturer. By purchasing these parts direct, we save you money while still offering the same or better quality as OEM...

                          Modine Hot Dawg HD Transformer modine, hot, dawg, hd, dog, gas, heater, transformer, part, hds
                          Price: $59.00
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                          (1)
                          Availability: In Stock - Usually ships in 1 to 2 days.
                          Item #: 4015290 -

                            Modine Hot Dawg heater transformer. Modine Part # 5H75029 (Works with all Modine HD & HDS heaters)

                            Modine Hot Dawg HD Blower Gasket modine, hd, hot, dawg, blower, gasket, 40152, 4015215, 4015216
                            Price: $29.00
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                            (2)
                            Availability: In Stock - Usually ships in 1 to 2 days.
                            Item #: 40152 -

                              Gaskets for providing a seal between the power exhauster and the heater for Modine Hot Dawg HD heaters. Modine Part # Fits Modine Models 5H74996 HD30AH, HD45AH, HD60AH, HD75AH, HD30AS, HD45AS, HD60AS, HD75AS 5H79794 HD100, HDS100, HD125, HDS125 Item # 40152, 4015215, 4015216 ...