Lochinvar & A.O. Smith 100133547 Flange Gasket always refer to the manufacturer’s

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

it is time for a new unit

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

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

and aging compared to standard Buna-N or neoprene seals

Lochinvar & A.O. Smith 100133547 Flange Gasket always refer to the manufacturer’sThe 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