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the neoprene diaphragm may be perforated or hardened and requires immediate replacement
extending the interval between core changes during system clean-up
this unit is designed to snap directly into 4-inch track systems
When executing field replacements
ensuring the heater operates within safe parameters
York S1-473-20937-001 Hot Surface Ignitor Els PW 17895 the neoprene diaphragm may beThe York S1 473 20937 001 Hot Surface Ignitor is a critical OEM furnace replacement part engineered for high performance ignition in York, Coleman, and Luxaire gas furnaces. This silicon carbide ignitior is designed to replace legacy components like 473 12509 001 and 473 05342 000, featuring a rapid heat element that reaches ignition temperatures quickly to ensure reliable burner transition. This HVAC universal ignitor upgrade includes a reinforced