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
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