or monitoring blower performance in high-demand environments

Leaving Water Temperature (LWT)

Check the casting on the hydrant body or the identification tag

the 17J57 is identical to the 17J5701 and can be used interchangeably in all specified furnace models

What is the maximum operating temperature for the included gaskets

Resideo 135959 Relay Receptacle mario or monitoring blower performance inWhen you're out in the field servicing multi stage HVAC equipment or heavy duty refrigeration systems, the Resideo 135959 Relay Receptacle is the professional standard for housing R4228 and R8228 series relays. This rugged plug in relay base is engineered to provide a secure, low resistance electrical connection, preventing the common high heat failures associated with poor terminal contact. As an HVAC relay socket designed for performance, it