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Precise Fan Cycling: Features an adjustable differential range of 40 to 150 PSI to fine-tune condenser fan cycling and prevent short-cycling
Broad Compatibility: Optimally tuned for Miller
Applying 240V to a 120V coil will cause immediate component failure
This is particularly useful for technicians performing maintenance or testing machinery and pump controls
McDonnell & Miller 42S-HD Controller Freon Precise Fan Cycling: Features anThe McDonnell & Miller 42S HD Controller is a high performance head mechanism only designed for seamless integration into existing Series 42 S float chambers. This replacement head mechanism is engineered for technicians who need to restore steam boiler safety without the labor intensive process of breaking down equalizing piping. Featuring SPST snap action switches, this controller provides high reliability low water cut off protection and precise
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