3 ms·
Some pumps can be connected to some sort of soft start circuit. Others, especially three phase pumps, can run off a VFD that will start it quite gently. (And th
by amluto 4y ago
Some pumps can be connected to some sort of soft start circuit. Others, especially three phase pumps, can run off a VFD that will start it quite gently. (And those VFDs run off single phase power just fine — they create a third phase internally.) And some pumps (e.g. Grundfos SQE) have their own drives down the hole.
- cmrdporcupine 4y agoI actually have no idea how old my well pump is, but it predates both myself and the previous owners. So probably 1970s or 80s.