Common Questions: Is this heater kit compatible with three-phase power

it ensures the logic integrity of the original control circuit is maintained

ensuring stable modulation and linear heat transfer in hydronic systems

Use a DC micro-ammeter connected to the FC+ and FC- terminals

York S1-331-03514-000 Control Board Kit 318172-701 Common Questions: Is this heaterThe York S1 331 03514 000 Control Board Kit is an essential OEM service part designed for precise management of 24V furnace sequences and system wide communication. As a veteran grade HVAC control board replacement, this kit integrates advanced logic to regulate the ignition sequence, blower motor timing, and critical safety circuits. Engineered for York, Coleman, and Luxaire residential and commercial units, it ensures that your equipment maintains