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it is recommended to install the valve with the coil in a vertical-upright position
Standardized Wiring: Equipped with a 4-pin terminal plug for rapid interface with existing burner control modules
Professionals rely on its ANSI Z21
this OEM component ensures seamless HVACR system compatibility when interfacing between thermostat controllers and high-load mechanical parts
The assembly features a 42-inch capillary and a 3/16" x 15-3/8" bulb
McDonnell & Miller 193-A Controller 30067439-890 it is recommended to installThe McDonnell & Miller 193 A is a heavy duty combination low water cut off and pump controller engineered for commercial steam boiler applications. Designed for boilers with a maximum pressure of 150 PSI, this unit features dual snap acting SPDT switches for precise burner control and pump activation. The 193 A model utilizes alternate tappings to simplify installation on various boiler configurations. Its rugged float operated mechanism ensures
US$ 300.00
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