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Tool Talk Discussion Forum

Water Pressure

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Chopper

06-04-2004 19:53:31

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I have a well and a EXTROL tank. The output pressure at the faucets/shower is less than desireable. The tank is about 18 years old. It has a valve stem at the top and the pressure at that stem is 28psi when the tank is empty. There is a SQUARE D cut in/out switch. The in pressure is set @30 in off @50.

Any suggestions as to what I may do to increase the pressure.

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Chopper

06-05-2004 18:50:50

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Re: Water Pressure in reply to Chopper, 06-04-2004 19:53:31

PLEASE SEE MY NEW POST

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Dons

06-05-2004 10:46:21

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Re: Water Pressure in reply to Chopper, 06-04-2004 19:53:31

You should check the water presure at the tank outlet and install another gauge near your outlet in the house. turn on you faucet in the house the difference will tell you if you a blockage in your piping. Also if your extrol holds 28 lbs withe the water side at 0 psi this indicates that the bladder is ok Hope this helps to explaine your problem

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Ron

06-05-2004 08:54:51

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Re: Water Pressure in reply to Chopper, 06-04-2004 19:53:31

Water pressure has nothing to do with the pump. It comes from the air trapped in the tank. On a tank that old, either most/all of the air has escaped or the bag inside has a leak in it.

I'd have a well service look at it. Sometimes they can be recharged but most likely you need a new tank.

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John,PA

06-05-2004 07:49:16

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Re: Water Pressure in reply to Chopper, 06-04-2004 19:53:31

I once knew a guy that had a garden hose attached to his outside water outlet. The hose had a small leak. He had called a plumber to find out why there was so little water pressure in the house. After the plumber installed a whole new water system, including a submurseable pump and water tank, there was still a loss of water pressure. You don't hear the pumps run.

Long story short, check your hoses and washing machine hoses.

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CNKS

06-05-2004 12:15:13

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Re: Re: Water Pressure in reply to John,PA, 06-05-2004 07:49:16

For whatever reason, I know when mine is on or off due to the hum in the pipes. Comes in handy, because when I run my sprinkler system, I can hear it shut on and off -- I like it to run all the time when I need heavy water usage because of less wear on the switches and pump. I have only had to replace one switch in 19 years, original pump and tank. Also had to replace a drain switch/valve on the pump once. Having said that, the whole thing will probably crash today.

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ted

06-05-2004 06:12:03

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Re: Water Pressure in reply to Chopper, 06-04-2004 19:53:31

Plastic pvc pipes will also clog up, not just steel. Cut one open and take a peek, if good reconnect. Also try a main pipe near the well tank, not just next to the sink. LOL

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Ibby

06-05-2004 04:32:38

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Re: Water Pressure in reply to Chopper, 06-04-2004 19:53:31

Another possible problem may be well/pump capacities. If you're using a low head centifigal pump (as opposed to a submersible or jet pump), and you're lifting water close to the limit (21 feet, minus friction losses), the pump may just be doing the best it can. If you can post specifics (pump size and type, depth of water, etc. pipe material, sizes and lengths), I'm sure we can come up with a fix

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KEG

06-04-2004 20:51:00

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Re: Water Pressure in reply to Chopper, 06-04-2004 19:53:31

Chopper,

Charles may have hit on your problem. When you discussed the tank pressure you were presenting "static" pressure readings. Along with this pressure you also need to look at the ability for the fluid (water) to flow. If there is a restriction in any of the lines, you may still high pressure, but it will not provide the volume of water you may expect.

I would first look at other outlets and see if they get good flows. If these other outlets give you good flows, you may have a service line to the faucet/shower that is corroded and the actual interior diameter of the line is reduced. This "reduced" diameter line will restrict the water and reduce the volume of water you can get.

Usually, copper lines will not have this problem, but if you have any galvanized lines that are old, they are likely corroded to the point of being so small that no water will easily flow through.

KEG

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Charles (in GA)

06-04-2004 20:04:43

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Re: Water Pressure in reply to Chopper, 06-04-2004 19:53:31

It sounds like you have other problems. If I recall correctly, your tank pressure is just fine for your pressure switch settings. If your gauge is OK you should see at least 30 psi at the faucets and if it seems lower than that, things may be clogging up. You don't have a filter by chance that you have forgotten about, do you? Possibly a very nearly closed valve that you think is open? badly corroded pipes if metal?

Charles

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steveormary

06-05-2004 09:47:23

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Re: Re: Water Pressure in reply to Charles (in GA), 06-04-2004 20:04:43

Chopper;

I would agree with Ron in that your tank may need to be re-charged. I had to do that to my 40yr old water system about every 3 months.

Your water table wouldnt be low mabe.

steve

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