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and Heil systems
it is not interchangeable with the 5-inch or 8-inch models
Does this spring fit the older Sensus 043-B models
this kit includes a 66
Williams P100100 Door Gasket and Heil systemsThe Williams Furnace Company P100100 Door Gasket is a critical high temperature seal engineered specifically for the pilot observation door. In the field, a compromised gasket leads to immediate combustion inefficiencies, drafts, and potential safety hazards by disrupting the sealed combustion chamber's pressure. This genuine Williams P100100 component is constructed from industrial grade refractory material designed to maintain its structural
