While a DPDT relay can often replace a SPDT relay by using only one set of contacts

Technician-Friendly Install: Features molded terminal numbers and a clear circuit diagram on the housing for error-free wiring

Complete Kit: Includes integrated mounting plates and a capacitor to minimize downtime and reduce the need for secondary parts sourcing

high-load environments (smoke or heavy dander) may require more frequent replacement of the HEPA R filters to maintain stated CFM performance

ensuring they will not swell or degrade during service

Reznor 164542 Motor and Wheel Els PW 29614 While a DPDT relay canThe Reznor 164542 Motor and Wheel is a high performance venter motor assembly designed for critical venting and exhaust applications in industrial heating units. Built for compatibility with Reznor CAUA models 350 to 400, this 115V draft inducer ensures consistent static pressure and reliable combustion air delivery. As a technician grade OEM replacement motor, the 164542 eliminates the vibration and noise issues common with generic aftermarket