and 51 boiler controls

Wide Temp Range: Built to perform in extreme conditions from -30°F to 140°F

Compact Industrial Design: Features a robust build quality designed to handle the thermal stresses of commercial boiler atmospheric burner compartments

Whether you are retrofitting older pneumatic panels or maintaining existing infrastructure

making it a reliable solution for high-static pressure applications

Lochinvar & A.O. Smith 100146605 Gasket Kit Refrigerant and 51 boiler controlsThe Lochinvar & A. O. Smith 100146605 Gasket Kit is a critical OEM boiler replacement part engineered for high performance sealing in commercial heating systems. Designed specifically for Lochinvar Knight and Armor water heater series, including PB PF 250 1000 models, this comprehensive kit ensures a pressure tight seal between the heat exchanger and burner assembly. As a direct replacement for the obsolete GKT3700, this 100146605 gasket set is field