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Optimized Air Handling: Excellent air venting characteristics prevent air binding in radiators and heat exchangers
ensuring optimal airflow and system cooling
This 18-inch pilot burner assembly includes a high-integrity thermocouple
making it a standard choice for potable water
Installing a 24V coil relay in a 120V circuit will cause immediate component failure and potential damage to the control board
McDonnell & Miller 193-B-7B Controller R-22 Optimized Air Handling: Excellent airThe McDonnell & Miller 193 B 7B (Part Number 164700) is a heavy duty 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 features a No. 7B proportional control switch that provides a 135 ohm potentiometer signal. This allows for precise, continuous modulation of the feed water flow rather than simple on off
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