Spring return to close mechanism ensures failsafe operation during power loss

This specific model utilizes a 1/2 inch bore with the hub positioned on the intake side

and Coleman residential heating platforms

Built with a 48 NEMA frame size and a versatile band mount configuration

Laars Heating Systems R10956000 Sight Glass Assembly 322027-701 Spring return to close mechanismThe Laars Heating Systems R10956000 Sight Glass Assembly is a critical diagnostic component designed for MIGHTYTHERM series boilers, including the 200L, 200N, 300L, 300N, 400L, and 400N models. This professional grade boiler sight glass replacement allows technicians to perform a direct visual inspection of internal combustion and fluid levels without breaching the pressurized system. Engineered from high tempered, corrosion resistant materials, this