heat-resistant plastic polymer designed to withstand the constant thermal cycling of an evaporator coil without warping or cracking

it simplifies field wiring and reduces points of failure within the cabinet

It should show zero ohms (closed) to initiate defrost

serving as the primary pilot assembly ignitor for safe and reliable unit operation

this 3L series temperature control provides optimal sensing positioning within the air stream for rapid response

York S1-9951-1491 Orifice 322838-753 heat-resistant plastic polymer designed toThe S1 9951 1491 is a precision engineered natural gas orifice designed specifically for York, Coleman, and Luxaire burner manifolds. Featuring a #25 drill size with a specialized . 1495 inch internal diameter, this component is critical for regulating gas flow to ensure an optimal air to fuel ratio during the combustion process. As a genuine OEM York furnace part, it is machined from high grade brass to withstand the thermal stressors found within