Coleman burner observation cap found on many 7600 series gas furnaces. Â This is an obsolete part built in our shop using high-temp glass and gasket. Â Guaranteed to fit. Â 2" diameter. Â Also known as part # 7660-366.
If you have the slip-ring nut and only need replacement glass, order our medium fireproof round glass part #SG-511 and gasket part # G-181. Â