ensuring precise flame sensing and safety shut-off performance for commercial HVACR and industrial heating equipment

An open switch usually indicates a restricted flue

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

Can this board be used to replace a Carrier CES0110063-01

Once the system cools to 205°F

Couplers & Bearing 6311-2RS Sealed Bearing 30067439-890 ensuring precise flame sensing andAs 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