Nidec-US Motors 1989P Motor 328140-751 The "550" suffix indicates a

The "550" suffix indicates a 55-inch nominal outside length

this differential pressure switch ensures the combustion blower is moving sufficient air before allowing the ignition sequence to proceed

Key Benefits Optimized Efficiency: The 40W DC motor design reduces energy consumption while providing superior speed modulation compared to standard AC alternatives

Durable Construction: Designed to withstand the rigorous temperature and pressure fluctuations common in HVAC and plumbing applications

Nidec-US Motors 1989P Motor 328140-751 The "550" suffix indicates aThe Nidec US Motors 1989P Motor is a high performance 1 20 HP condenser fan motor engineered for reliability in demanding commercial and residential HVAC applications. This Permanent Split Capacitor (PSC) motor operates at 230Vac on a single phase, delivering a consistent 1625 RPM at 0. 8 Amps. Built with a 42Y NEMA Frame Size, this unit is an ideal direct replacement for many OEM fan and blower assemblies that require a 5 inch diameter motor body.