Reznor 220780 Venter Assembly Els PW 17895 the 3174 is designed to

the 3174 is designed to handle the mechanical stresses of continuous duty cycles in environmental control applications

preventing automated cycling during unsafe conditions

For 3/4" shafts or other sizes

This unit requires a 15 MFD 370V capacitor

Exact OEM Replacement: Replaces 70-18625-03 without the need for housing modifications or re-balancing

Reznor 220780 Venter Assembly Els PW 17895 the 3174 is designed toThe Reznor 220780 Venter Assembly is a critical 115V combustion air blower designed for precision airflow management in UDAP 100, UDAP 125, UDAS 100, and UDAS 125 unit heaters. This OEM replacement venter motor, manufactured by Nortek, operates at 2950 RPM and provides the necessary static pressure to exhaust flue gases safely through the vent pipe. As an HVAC inducer blower, it ensures the pressure switch closes during the startup sequence,