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restricted return air
preventing premature signal failure and safeguarding the burner against overheating or frequent cycling
Repeated tripping usually indicates a cracked heat exchanger
This specific model features a 5/16-inch diameter
Verify the motor shaft diameter and existing blade dimensions to ensure seamless field installation
Lochinvar & A.O. Smith 100133547 Flange Gasket restricted return airThe 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