Bbqscotty
New Member
ok, just drained tank and there is no pressure at all in the tank. pressure gauge still shows 30 though.
i figure charge tank to 18 and maybe replace gauge ?
i figure charge tank to 18 and maybe replace gauge ?
Yes and no. When there is water in the tank (water pressure is higher than precharge) the air pressure will be just a little less than the water pressure. Why are they not equal? 1. Water pressure falls with altitude and the tank diaphragm is a little higher than the usual place for the water pressure gauge. 2. The diaphragm is not perfectly limp -- it has some tension, particularly at higher water pressures. Those two might add up to maybe a PSI I am guessing.is there any sense in checking air in tank thru valve when system charged with water ?
i just got done draining tank and charged old tank to 18psi. turned pump for well back on to charge wet system again. now pump runs for 19 seconds and stays off for 4 minutes when water is on continually. gauge now say 10psi so that is definitely bad. is there any sense in checking air in tank thru valve when system charged with water ?
maybe i'll stay like this for a couple days and see how it goes?
Without the gauge, you don't know what pressure the switch is turning on at. Just because it says 20-40 on the switch label, you can't be sure. Without knowing the turn-on pressure, you don't know how to set the precharge pressure.i will replace gauge, not sure what it really does as the pressure switch seems to know when to turn on and off and the gauge is more for me to just watch it i guess.
This is awkward, but...
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