SKU: 85539290884
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verify that the furnace chimney terminal is clear of debris and has sufficient vertical height
this assembly provides stable modulation of hot or cold water
it must be ordered as a separate component part number
most HVACR refrigeration parts of this capacity are designed to hold at least 50% of the total system charge
Using non-spec components can alter the motor's amp draw and lead to system failure
Utica-Dunkirk 550001655 Control board R-410A verify that the furnace chimneyThe Utica Dunkirk 550001655 Control Board is a critical 24V ignition control specifically engineered for high performance gas fired boiler systems. As a veteran grade OEM replacement part, this module manages the direct spark ignition (DSI) sequence, ensuring precise timing for prepurge, flame sensing, and gas valve actuation. It features a 5 minute retry logic to enhance system reliability during transient ignition failures, preventing nuisance