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The Reznor 17890 Pilot Assembly is a critical OEM replacement part engineered for precise ignition and sustained burner performance in unit heaters and furnaces
the D-4073-1 is lightweight and resistant to many chemical and atmospheric agents
increasing overall SEER/AFUE performance
This switch is typically required for Reznor heaters installed at elevations exceeding 6
What is the specific switching logic for this control
Heil Quaker ICP 1184879 Limit Switch 319852-301 The Reznor 17890 Pilot AssemblyThe Heil Quaker ICP 1184879 Limit Switch is a critical OEM furnace replacement part engineered for high temperature safety regulation in residential heating systems. Known by the technical specification L205 20F Main Limit Switch, this bimetallic sensor is designed to open the electrical circuit at 205? F and automatically reset after a 20? F temperature drop. This precise thermal response prevents secondary heat exchanger damage and ensures the unit
