It serves as a direct interface between the furnace cabinet and the exhaust piping

preventing ignition under unsafe venting conditions

this differential pressure bypass valve operates without the need for external power or sensors

Does this kit include the mounting hardware and enclosure

MARS 05471 Fan Motor 322838-754 It serves as a directThe MARS 05471 is a high efficiency ECM refrigeration fan motor designed for demanding commercial air moving applications. Operating at 115V and 1470 RPM with a counter clockwise (CCW) rotation, this 58mm series fan pack provides a complete solution by integrating the motor, an all metal fan, and a durable metal shroud. As an electronically commutated motor (ECM), the 05471 MARS motor delivers up to 45% greater efficiency than standard PSC motors and