With its positive temperature coefficient (PTC)

this 115-145 degree limit switch provides the factory-spec performance required for professional furnace repair and maintenance

this OEM switch eliminates the calibration drifts often found in universal replacements

making it the correct HVAC replacement part for systems requiring either voltage level

suitable for heavy-duty HVACR components

White-Rodgers 768A-842 Ignitor With its positive temperature coefficientThe White Rodgers 768A 842 is a professional grade, 80V Silicon Nitride Ignitor engineered for high durability service in residential gas furnaces. Built for precision and longevity, this Nitride Hot Surface Ignitor serves as a direct OEM replacement for Amana 768A 2 and Goodman 11111701 components. Unlike older silicon carbide models, the nitride construction offers superior structural integrity and resistance to oxidation, reducing nuisance service