Nidec-US Motors LX7930 Motor 321702-401 and 42S-A low water cut-offs

and 42S-A low water cut-offs and pump controllers

Standard models are designed for indoor use with vent limiters

Field technicians frequently specify the S1-375-46161-401 when troubleshooting communication errors or "sensor out of range" faults that can lead to unnecessary compressor cycling or low-pressure trips

Technicians should verify the manifold pressure and inspect the burner tubes for obstructions during installation to ensure the Lennox burner part operates within factory specifications

Nidec-US Motors LX7930 Motor 321702-401 and 42S-A low water cut-offsThe Nidec US Motors LX7930 is a heavy duty direct drive blower motor engineered for commercial and industrial HVACR applications requiring a 460V single phase power supply. Rated at 3 4 HP with a synchronous speed of 1075 RPM, this 3 speed motor allows for precise airflow modulation to match system static pressure and load requirements. Built on a 48Y NEMA frame, it features an Open Air Over (OAO) enclosure designed for continuous duty in the blower's