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This variable speed motor controller is engineered to optimize airflow by continuously adjusting blower motor speeds based on real-time system demand
providing improved durability and updated internal components while maintaining the exact same terminal porting and pressure specifications as the discontinue T-5220-1004
The "/U" suffix denotes "Universal" packaging
The 1/2-inch shaft and integrated 3-mounting arm configuration simplify field installation for contractors
or proof of flow in high-demand environments
McDonnell & Miller 25-A Water Feeder Els PW 17895 This variable speed motor controllerThe McDonnell & Miller 25 A (Part Number 126800) is a heavy duty, float operated make up water feeder specifically engineered for boiler receiver tanks and condensate return systems. Built with a rugged iron and bronze body, this mechanical feeder ensures a constant water level without the need for electrical components, making it a fail safe choice for steam boiler maintenance. It utilizes proportional feed action to deliver a steady volume of water
