ensuring a seamless drop-in fit

The York S1-025-31960-000 is an OEM-grade 480V crankcase heater engineered for commercial and industrial HVAC systems where reliability during the off-cycle is non-negotiable

a common failure point in universal kits

and industrial drying assemblies where high-temperature performance up to 450°F is required

providing precise control over evaporator coil clearance

Lochinvar & A.O. Smith 100208104 Gasket 323613-751 ensuring a seamless drop-in fitThe Lochinvar & A. O. Smith 100208104 Gasket is a 4" flue gasket kit engineered for high performance sealing in gas fired heating appliances. As an essential component for residential and commercial boilers and furnaces, this kit provides the airtight interface required between the appliance flue pipe and the vent connector. Constructed from high temperature resistant silicone and ceramic materials, it is designed to withstand extreme thermal cycling