McDonnell & Miller 193-A-7B Controller R-22 Optimized Heating: 5KW / 17

Optimized Heating: 5KW / 17

Enhanced Durability: Equipped with automatic reset thermal overload protection for safe operation in extreme temperatures

While typically installed with the inlet at the bottom and the drain on the side

This Conbraco glass tube provides the chemical resistance required for long-term exposure to boiler chemicals and high-temperature water

McDonnell & Miller 193-A-7B Controller R-22 Optimized Heating: 5KW / 17The McDonnell & Miller 193 A 7B (Part Number 164500) is a robust, float operated combination low water cut off and pump controller specifically engineered for commercial and industrial steam boiler applications. Designed to handle a maximum pressure of 150 PSI, this unit integrates a No. 7B potentiometer switch, which provides a 135 ohm proportional control signal to maintain a constant boiler water level by modulating the feed valve. Unlike standard