Key Benefits Verified Compatibility: Exact fit for McDonnell & Miller Series 63 and E-28 low water cut-off assemblies

100277953 is the current manufacture part number for the gasket previously identified as ARM1010 or 100133544

Does this fitting require a sealant

this component is found at the junction where water exits the fill basin and enters the top of the heating tank

the S1-3400-3151 is a standard high-limit component commonly used across York

Robertshaw 1751-016 Regulator Kit Key Benefits Verified Compatibility: ExactThe Robertshaw 1751 016 LP Regulator Kit is a professional grade solution for converting 7100 and 7200 series gas valves to liquid propane (LP) operation. Engineered for precise straight line regulation, this kit is calibrated to maintain a consistent 11" WC (Water Column) outlet pressure, which is critical for the safe and efficient performance of industrial and residential heating equipment. This unit serves as the direct replacement for 58H67 and