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Ships within 48 hours · Estimated delivery Oct 10 - Oct 15
For a complete rebuild
ensuring identical electrical specs and footprint
this specific suffix (-204) is calibrated and labeled for vertical mount installation only
Safety Compliance: Ensures the system operates within engineered thermal parameters to prevent heat exchanger failure
Is this control kit compatible with Propane (LP) units
Lochinvar & A.O. Smith 100289450 O-Ring 318172-701 For a complete rebuildThe Lochinvar & A. O. Smith 100289450 O Ring is a critical sealing component designed for high performance gas valve assemblies and burner systems. As an OEM gas valve gasket replacement, this heavy duty sealing ring is engineered from advanced synthetic rubber to provide a precision fit across various hydronic heating platforms. This specific part number, 100289450, serves as the direct replacement for 100288891, ensuring backward compatibility for
US$ 30.60
US$ 18.60
US$ 40.50
US$ 13.00
