Common Questions and Support Is the 028-12573-000 compatible with older R-22 York chillers

this relay can be used in universal applications

An open switch usually indicates a restricted flue

Contractors typically use this Field Controls GVD-UWK kit to replace damaged OEM leads or when extending the run between the damper and the 24V control transformer

Couplers & Bearing 6311-2RS Sealed Bearing 30067439-890 Common Questions and Support IsAs a veteran tech, I know you need a 6311 2RS Sealed Bearing that can handle the grit of a mechanical room without failing. This deep groove ball bearing is a standard workhorse for HVAC blower motors and heavy duty industrial pump applications, featuring a 55mm bore, 120mm outer diameter, and a 29mm width. The dual rubber seals (2RS) provide a critical contact barrier, locking in the high temperature Chevron SRI 2 grease while locking out the dust