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Is the 121275 compatible with older Reznor units
Does this include the gasket for the vent plate
Can this relay control a motor
Common Questions How do I confirm the 626456R is faulty
McDonnell & Miller 194-A Controller Freon Is the 121275 compatible withThe McDonnell & Miller 194 A is a heavy duty combination low water cut off and pump controller designed specifically for commercial and industrial steam boiler applications. Engineered for systems with a maximum steam pressure of 250 PSI, this unit features dual snap acting SPDT switches to ensure precise boiler water level control and reliable low water protection. The 194 A series is often selected by technicians for high pressure environments where
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