pressure tank questions

[randy41]

there's a pressure tank on cl for $50. the seller says its 68 gallons, 4 1/2' high. is there a way to test it without actually hooking it up? if it holds air pressure does that mean its good to go? i don't want to pay $50 for an anchor.
could i plumb it in series with my present pressure tank giving me the capacity of both?
the goal is to reduce cycling without using a cycle stop valve.

 

[Carl_NH]

If there is pressure in the top bladder when empty it should be fine. Should be about 25 to 30 Lbs typically as the pressure should be 2-3 Lbs below the cut in on the switch.

I would also ask why he is selling - going to city water etc. I have two in series on my well and it works fine. I think the 68 gallon size should give you about 9-10 gallons drawdown on 30-50 switch setting.

 

[randy41]

If there is pressure in the top bladder when empty it should be fine. Should be about 25 to 30 Lbs typically as the pressure should be 2-3 Lbs below the cut in on the switch.

I would also ask why he is selling - going to city water etc. I have two in series on my well and it works fine. I think the 68 gallon size should give you about 9-10 gallons drawdown on 30-50 switch setting.

the seller says he's switched to a gravity fed system.

 

[Carl_NH]

Well in that case $50 is cheap for a 68 gallon bladder tank - per the Well extrol specs this should have about 18 gallon drawdown - it depends on the brand and model. So if its holding air now buy it. New they are $500 plus.

Here's a link Amtrol Well-X-Trol 62 Gallon Water System Pressure Tank with Composite Base - WX-251D - WX-251D

Carl

 

[turnkey4099]

As Randy says, for a bladder tank, if it holds air fine. You don't want a non-bladder tank. Soem concern about tank leaks though. That could be tested by filling with water and closing the tank valve. Bladder wouild need to have pressure in it for the test.

Harry K