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Thank for all your help. I had a little problem with the electric part of install but, cleared that up with a live chat at CSV web site. We are back to heated water with good pressure and using 1...

I thought that I would get your answer sent to my regular email, sorry about that. I also asked a couple questions on your site again. I would prefer any set up that is better than the AIO unit that...

As the nozzle is changed to smaller size, to increase the water pressure, I have read that the flow will change down to much less gpm. And since I have 3 bathrooms with all being used at the same...

Okay. First choice, purchase a Gould JS10 jet pump and change the jet on this to a high pressure type, don't know if jet change is easy,a 2 gallon bladder tank, a pressure switch and your adjustable...

What do you mean by tricked up a bit to work well?

Thanks again. I will think about that for awhile. I just hate to throw away a 400 pump. Replacing the 2 parts would cost 161 dollars + shipping. Considering that is only 2 parts, and the replacment...

I already have one installed in tha cistern and intend to remove any others. I still want to try to repair the Gundfos MQ3 pump. I found someone willing to sell the circuit board for 140 dollars, not...

Is there any need for a check valve and where would it be if I need one?

I am having a problem putting together a constant water pressure system. With the information below, would you put a system together for me? Would I be able to use a small tank, maybe 2 or 4 gal.?
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Thanks. I will now try to put a system together. Joe

The roof tank is used when the pressure pump breaks or loss of power. We would have atleast a tank full of water with no power.

Parts are hard to come by in Mexico. This last visit, when the...

A plastic check valve broke and had about 15 seconds of water pouring out onto the pump. No, there is no seal/gasket on the most important part, the circuit board cover. The replacement parts list...

Hello. I now have a Grundfos MQ3-B 45 1 HP AIO. The circuit control panel got wet when a connection broke and stopped working. I paid only 419.00 with ree shipping 1-1/2 years ago. The new circuit...