McDonnell & Miller 193-A-7B Controller Refrigerant contractors can restore precise fluid

contractors can restore precise fluid control and system zoning efficiency quickly

Common Questions & Technical Support Is the Reznor 148055 compatible with my unit

Common Questions Is the 080Z0053 compatible with older AK-SC 255 system managers

ensuring a streamlined installation for field replacements

Is the 8040H8 suitable for liquid propane (LP) gas

McDonnell & Miller 193-A-7B Controller Refrigerant contractors can restore precise fluidThe 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