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The York S1-373-03136-602 Limit Switch is a critical safety component engineered for precise thermal protection in residential and light commercial HVAC systems
Direct Replacement: Fits the footprint of legacy Danfoss 032F7115 and 032G1052 models
Versatile Switching: DPDT (Double Pole Double Throw) contacts provide flexibility for complex wiring schemes
Reliable Integration: Integrated end switches allow for 100% confirmation of damper position to the zoning system
Fenwal 35-665036-111 Control 30067439-890 The York S1-373-03136-602 Limit SwitchThe Fenwal 35 665036 111 is a microprocessor based Hot Surface Ignition (HSI) Control engineered for precise sequencing in gas fired HVAC systems. Designed as a robust 24 VAC solution, this module integrates an on board inducer blower relay to manage combustion airflow before and after the burner cycle. It features a critical 15 second pre purge (15sPP) to clear the combustion chamber and a 4 second Trial For Ignition (TFI) window, ensuring dependable