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.