Price: $89 - $129
AVAILABILITY:
Availability: In Stock - Usually ships in 1 to 2 days.
BRAND:
What are these options for?
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 parts that come with the heater.

Overall Customer Rating of 12 Reviews:
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Modine Hot Dawg Control Board

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The replacement control board worked perfectly. The directions were clear enough to make the necessary wire changes and get the unit back in service. The mounting holes for the new board do not align very well with the existing holes. However it was easy to use one screw to hod the board in place. The unit operates well and it controls the ignition and recirculating fan operation very well. Best price and quick shipping. Great value!

West Fargo, ND

Fixed my garage heater

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The replacement main board took care of the issue in my Hot Dawg garage heater.
Good price & shipped in a timely matter!!

Modine Hot Dawg Terminal Board & TD Relay

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This circuit board was easy to install, just unplugged the wires & reattach to new board. The original relay was not turning on the blower fan, so the furnace would over-heat and the limit switch would shut down the burners. The furnace works like new again ! The price for this circuit board was good, and I received it quickly. Thank you very much to ACF Greenhouses!

Modine Hot Dawg HD Terminal Board

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It works as it should.

MN

Modine Hot Dawg HD Terminal Board + TD Relay

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The site was easy to use, product arrived on time, instructions were easy to follow. Very good experience.