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The FSF-N15 is specifically engineered for Alco fan speed controls
Contractor-Grade Reliability: Features White Rodgers 36G22-512 engineering
most HVACR refrigeration parts of this capacity are designed to hold at least 50% of the total system charge
Compatible with water and glycol solutions (up to 50%)
65mm Port: Ensures accurate propane gas flow to the burner for optimized combustion efficiency
Utica-Dunkirk 550001655 Control board R-410A The FSF-N15 is specifically engineeredThe 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