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This manual reset thermal switch is the direct factory authorized replacement for legacy part numbers 239-43676-03 and 100167474
American Made Quality: Manufactured by JB Industries in Aurora
and heat strips during abnormal heat events or airflow failures
while the specialized insulation handles the demanding ambient heat found near combustion chambers
It is easy to install and guarantees reliable operation
York S1-373-31175-000 Ignitor Kit This manual reset thermal switchThe York S1 373 31175 000 Ignitor Kit is a genuine Source 1 OEM replacement engineered for precise ignition in residential and light commercial gas fired furnaces. This kit, which includes the ignition electrode and high temp lead assembly, is designed to withstand the extreme thermal cycling typical of modern heating systems. Field technicians rely on this furnace ignitor kit to restore consistent burner ignition and prevent nuisance lockouts caused