Hello everyone, I am building a new house, bungalow with basement, 2 full baths up, 1 below. I have a 3000 gallon underground cistern to feed the house(well water is poor in area)and it is 12-14ft below where the 1.25" pipe enters the house and the pump needs to go. My plumbers suggests an on demand pump(variable speed Grundfos)over a jet pump and pressure tank. Any suggestions? I have heard jet pump and tank system are more reliable and can be made to have constant pressure.