this Williams furnace replacement part is compatible with the 4505 and 6505 Series floor furnaces

OEM Compatibility: Replaces Southco C3-303 and Cecilware M705A efficiently in coffee and tea brewing systems

functioning as a normally closed contact that opens upon reaching the high-limit threshold to prevent system overheating

Pro-active replacement of a faulty limit switch is recommended when the internal bi-metal disc fails to reset

McDonnell & Miller 304100 Head Gasket this Williams furnace replacement partThe McDonnell & Miller 304100 Head Gasket (Model F 26) is a critical sealing component engineered specifically for high performance boiler water feeders and low water cut off systems. As a veteran grade replacement part, this F 26 head gasket is designed to provide a high integrity, leak proof seal between the water feeder body and the head mechanism, ensuring system pressure remains constant and prevents intermittent dry firing or boiler scale