it is the specified field replacement for the Rheem 43-25133-12 and Barker Microfarad units

For any veteran contractor

Is this switch compatible with DC circuits

or an audible humming from the motor without rotation

Schneider Electric (Erie) VM2213 Valve Body it is the specified fieldThe Schneider Electric (Erie) VM2213 Valve Body is a professional grade solution for modulating water flow in closed hydronic systems. This 1 2 inch sweat zone valve is engineered for high performance applications including fan coil units, VAV reheat, unit ventilators, and radiant heating setups. With a 4. 0 Cv rating, this two way valve body utilizes an equal percentage flow characteristic to provide precise control over hot or chilled water media.