Heil Quaker ICP 1320367 Limit Switch re-tightening a used seal rarely

re-tightening a used seal rarely achieves a proper hermetic seal

Engineered for high-temperature environments

and Payne gas furnaces and packaged units

soot buildup

this heavy-duty heat-responsive device is essential for maintaining the UL safety rating of FOVHN series fire dampers

Heil Quaker ICP 1320367 Limit Switch re-tightening a used seal rarelyThe Heil Quaker ICP 1320367 Limit Switch is a critical OEM replacement part designed for high temperature safety monitoring in gas furnaces. Engineered as a normally closed disc style switch, the L220 20F limit switch functions on a precise thermal curve, opening to kill the burner circuit when the internal plenum temperature reaches 220? F. This 220 degree limit switch features an automatic reset mechanism that closes the circuit once the heat