Lochinvar & A.O. Smith 100133547 Flange Gasket If your trunk lines are

If your trunk lines are 1/4"

including the Power-Fin

extending the operational life of expensive system components

especially in high-traffic or limited-space environments

The full window design ensures that critical temperature readings remain visible to facility managers while preventing unauthorized adjustments to the setpoint

Lochinvar & A.O. Smith 100133547 Flange Gasket If your trunk lines areThe Lochinvar & A. O. Smith 100133547 Flange Gasket is a critical high temperature seal designed for commercial water heaters and boiler systems. Specifically engineered for Armstrong ARM1013 cross compatibility, this gasket pair ensures a leak proof interface between the pump flange and the circulation piping. In low and high pressure hydronic loops, maintaining a rigid seal is essential to prevent cavitation and pressure drops. These gaskets are