Inverter Pump

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ETQ Portable Generators, inverters, trash pumps, air compressors.



What could be wrong with my domestic water pressure pump connected to tank?

Hi, I have a water pressure pump connected to a large water tank on a holiday shack. It runs from a 600W/800W modified square wave inverter. When I plug it in, I can hear the motor running but it is not pumping any water. This is a pump that has a pressure bladder sitting on top of it. The noise it makes is quite loud, but I can't see that anything is moving (when looking at the end, there is some kind of cooling fan that looks to be connected to the main drive that is stationary, it looks like it wants to move, but isnt getting anywhere). The tank is full and on the same level as the pump/shack. Without the pump running, I can turn on a tape and water dribbles out, so I am thinking this is not an issue with priming etc. From what I understand, the modified square wave input should be fine too. Any ideas as to what I should check/what may be wrong? Any traps to look out for if I get a qualified peron to fix it? Am thinking I may be better of replacing with a cheap pump?

My water pressure was low as yours....and luckily, I had a handyman talk me thru the procedure via phone. I have a different system..as I have a well. But the problem turned out to be a pressure regulator switch...(every time ya turn water on/off..this activates). The switch, sits on top of the pressure tank (you wouldn't believe how many guys tried to get me to believe my tank itself was shot and more $$). So anyways, it may be just a switch. I would lean towards a person that services sump pumps rather than your whole system...as well companies are hard to come by in my area. You may need a pump, but it may only be the switch itself.

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