McDonnell & Miller 93-7B-HD Pump Controller THPU32HP7Y or frost buildup on the

or frost buildup on the evaporator inlet

How do I ensure the bucket is installed correctly

Automatic Reset: Reduces nuisance service calls by automatically cycling back once the heat exchanger cools

Using a switch with a lower or higher "WC rating will compromise safety or lead to nuisance tripping

McDonnell & Miller 93-7B-HD Pump Controller THPU32HP7Y or frost buildup on theThe McDonnell & Miller 93 7B HD (Part Number 163200) is a high performance head mechanism only designed for direct replacement in Series 93 and 193 boiler water level controls. This heavy duty unit integrates a low water cut off and pump controller, specifically engineered for industrial and commercial steam boilers. Featuring a No. 7B potentiometer switch, it provides a 135 ohm proportional signal for modulating feed water valves, ensuring precise