2" diam. feeding my MQ 45. I have pumped water through the line with a gas powered pump and it works fine but my MQ 45 doesn't want to pump anything. The pump would not be pulling any more than about 20 ft elevation...is there too much friction between the water and the pipe over the 1400 ft?
Garden - Grundfos - MQ3-45 1 HP Pressure Booster Pump