Designed specifically for Armstrong Air and AirEase equipment

What are the conductor colors in the 18/5 configuration

Precise Switching: Features a calibrated 171-184V pick-up and 55-90V drop-out cycle to ensure the start capacitor is removed at exactly 75% of motor speed

proving fan operation

This precise negative pressure gas valve manages the fuel-to-air ratio

Lochinvar & A.O. Smith 100111022 VFD Assembly 326010-701 Designed specifically for Armstrong AirThe Lochinvar & A. O. Smith 100111022 VFD Assembly is a high performance variable frequency drive engineered for precise motor speed control in high efficiency commercial water heaters, specifically the Cyclone BTH 400 and BTH 500 series. This OEM replacement part (formerly 9006245005) is vital for modulating the blower motor to match varying load demands, significantly enhancing energy efficiency and reducing operational wear on internal components.