Durable Construction: Engineered to withstand continuous operation cycles in energy recovery systems without premature cracking or fatigue

Direct OEM Compatibility: Engineered as a genuine replacement for Nordyne 621952R

maintaining optimal boiler water level stability

Common causes include a clogged pilot strainer

For oil applications

York S1-024-35738-000 Door Switch 320734-701 Durable Construction: Engineered to withstandThe York S1 024 35738 000 Door Switch is a critical safety interlock component engineered for high performance service in York, Coleman, and Luxaire gas furnaces and air handlers. As a veteran technician, you understand that a faulty furnace door switch is a frequent failure point that prevents the integrated furnace control (IFC) from receiving line voltage. This OEM interlock switch is designed to break the electrical circuit to the blower motor and