Known in the industry as the Danfoss SC18CLX

this is a one-time use thermal link

Cadmium sulfide cells are designed to sense the visible light spectrum of yellow/white oil flames

preventing energy loss and unintended heating or cooling

Choosing the right orifice

Heil Quaker ICP 505962 Limit Switch Els PW 29614 Known in the industry asThe Heil Quaker ICP 505962 Limit Switch is a mission critical safety component designed for precise thermal regulation in residential furnaces. This 140 160F AUTO limit switch features a bimetal disc that opens the electrical circuit when internal plenum temperatures exceed the 160? F safety threshold, effectively shutting down the burner to prevent heat exchanger damage or hazardous overheating. As the system cools to 140? F, the switch automatically