I have new the box Franklin Electric Monodrive Submersible Motor Constant Pressure Controller 5870203110. MonoDrive is designed to provide constant pressure for single phase 3 wire systems. You can have constant pressure just by replace the old three wire control box.
All items are sold as is without warranty unless specifically stated in the posting. This does not mean that the unit doesn’t work, only that we have not tested or checked it out. This may also mean that we are not knowledgeable in this specific item.
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