It features a versatile dual-voltage rating of 200-230/460Vac

the RFS-4001 must be installed with the diaphragm in a vertical plane to maintain accuracy

By swapping the replacement RH element directly on-site

When troubleshooting a furnace pressure switch failure

the dual-port design allows for differential air pressure sensing

Lochinvar & A.O. Smith 100145003 Fan Assembly 324846-701 It features a versatile dual-voltageThe Lochinvar & A. O. Smith 100145003 Fan Assembly is a high performance combustion blower engineered for precise air fuel ratio management in commercial water heaters and boilers. This direct replacement blower motor assembly is identical to part number FAN3030 and serves as a critical component for maintaining consistent thermal efficiency. Designed for compatibility with high efficiency Lochinvar Knight and A. O. Smith Cyclone series, this assembly