Lochinvar & A.O. Smith 100133547 Flange Gasket The Sensus 071-03409-002 Green Spring

The Sensus 071-03409-002 Green Spring is the heavy-duty OEM solution specifically calibrated for Sensus 043B and 496 gas regulators

always refer to the manufacturer’s conversion kit instructions for Propane (LP) sizing

Industry best practice for HVACR maintenance requires inspecting the gasket whenever the burner is pulled for cleaning

When troubleshooting intermittent blower operation or complete system lockout

the limit switch likely detected an over-temperature event

Lochinvar & A.O. Smith 100133547 Flange Gasket The Sensus 071-03409-002 Green SpringThe 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