Replacing a chatter-prone or pitted HVAC contactor with this genuine York replacement part ensures full compatibility with the 6806-842 series and various BACB

This 3-inch furnace limit switch is built for high-cycle reliability and serves as a direct replacement for various Source1 HVAC parts used across York

Can I adjust the PSI setting on this switch

The 669566R is the updated manufacturer suffix for the original part number

The motor itself is a mechanical component

Utica-Dunkirk 240009339 Sensor R-407A Replacing a chatter-prone or pittedThe Utica Dunkirk 240009339 Sensor is a critical OEM component for hydronic heating systems requiring high precision temperature monitoring. This 24 inch hot water sensor is a direct replacement part engineered specifically for L7221 and L7248 Aquastat controls. As a veteran grade boiler temperature sensor, it provides the low voltage resistance feedback necessary for the control board to manage ignition cycles and high limit safety protocols