Nordyne 624817R Control Board 319825-402 ensuring the furnace operates within

ensuring the furnace operates within safe thermal parameters to prevent heat exchanger overheating

Code Compliance: UL and cUL listed for use as service entrance equipment

It supports a 5 psi maximum operating pressure

Dry Fire Prevention: Actively monitors water levels to protect expensive heat exchangers from overheating and thermal stress

While functionally similar to other 140-180F switches

Nordyne 624817R Control Board 319825-402 ensuring the furnace operates withinThe Nordyne 624817R Control Board is a critical OEM replacement component engineered for integrated furnace control within high efficiency gas fired heating systems. As a veteran grade integrated furnace control board, it manages the full ignition sequence, including precise timing for the hot surface ignitor (HSI) and continuous flame sensing to ensure safe combustion. Designed to withstand the thermal stresses of residential and light commercial