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

the limit switch likely detected an over-temperature event

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

eliminating the need for manual intervention after temporary over-temperature events

it is time for a new unit

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