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75-inch motor shafts
Pre-calibrated Performance: Factory-calibrated for combustible gas
This unit ensures precision differential pressure management and maintains optimal boiler water levels to prevent dry-fire conditions
It is widely utilized as a direct replacement for T874G1055 and HH07AT170 models
McDonnell & Miller 193-A Controller Refrigerant 75-inch motor shaftsThe 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
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