Pressure problem

[Glaswegian]

I have a deep well about 150ft yesterday noticed that pressure was bad. Checked the expansion tank when system had 0 pressure and pressure was ok at 28lbs. Changed the pressure switch out and still have the problem. Pressure won't rise above 15lbs. Water runs ok at that pressure except there isn't much because of the pressure. Is there an obvious problem that I am not seeing? Pump sounds like its running and like I said if I leave water running it doesn't stop. Would I be right in thinking that mabye some of the seals or impellers in the pump have gone and thats why I can't get pressure or is there something else I should check. Well is 13 years old

 

[Markts30]

Could be that or a leak in the pipe between the pump and tank...
Do you hear any water running in the well shaft while the pump is running?
Do you get a burst of air when turning on the water 1st thing in the AM?
Does your pump cycle on and off when no water is being used?

 

[Sponsor]

 

[Bob NH]

https://terrylove.com/forums/showthread.php?t=17567

See my answer on this thread in this forum. Same symptoms.

 

[Glaswegian]

The pump is running continiously and does not cycle, there is no air in the morning and I can't hear any waterin the well shaft

 

[Glaswegian]

Bob I have a constant flow of water at about 1/2 gal a min at 15 psi. Pump doesn't shut off. Do not see any signs of leaks outside although pipe to house is like 4ft down. Do not hear any water running in well shaft.

 

[Gary Slusser]

Then you have a leak between the pump, assuming a submersible in the well, and the pressure tank/gauge. Or the inlet to the pump is blocked. Or the pump is running on 120 instead of 240. Or the water level in the well has fallen etc..

 

[Bob NH]

They don't make pumps that pump only 1/2 GPM. You either have a serious leak or a failed pump. It is probably easier to pull the pump than to start digging a trench to find the underground pipe.

If you have or can borrow a clamp-on ammeter you can probably tell if it is a leak or a failed pump.

If there is a big leak and the pump is good, then the current will be nominal for the motor or a little high because it is pumping water.

If the impellers are shot so they don't work the motor should be drawing less current, suggesting a bad pump.

 

[Glaswegian]

Pulled pump today and found problem. The pump was installed without a torque preventer (riser is plastic) and the top of the pump had cracked like halfway around the top, signs of scuffing on the fitting above and the pump was off to on side slightly.Replaced it with a all stainless pump, and added a torque preventer. Have real bad silt since I turned new pump on is this normal and should I leave water running to clear it up or allow silt to settle in well.

 

[Gary Slusser]

Torque arrestors aren't a good idea. Cable guards are better.

The crack wasn't caused by not having an arrestor. More likely is the male adapter or external check valve was over tightened or cross threaded and over tightened.

 

[parry]

Hello,
Try this,
1) Request a check by your water supplier. They may discover that a supply valve is partially closed.
2) Try to find the restriction by determining which fixtures suffer from low pressure and which don't.
3) If the problem seems to be at a single faucet or shower head, check for a flow restriction, clogged aerator, or dislodged washer. Remove the shower head, the aerator from the faucet (if there is an aerator), or the faucet and look for a restrictor--a rubber or brass disk--or a washer that has become dislodged.
4) If the problem persists, contact a plumber to check for obstructions or solve the problem by adjusting your home's pressure regulator, if there is one, or installing a water pressure booster pump.

 

[Speedbump]

Hello,
Try this,
1) Request a check by your water supplier. They may discover that a supply valve is partially closed.
2) Try to find the restriction by determining which fixtures suffer from low pressure and which don't.
3) If the problem seems to be at a single faucet or shower head, check for a flow restriction, clogged aerator, or dislodged washer. Remove the shower head, the aerator from the faucet (if there is an aerator), or the faucet and look for a restrictor--a rubber or brass disk--or a washer that has become dislodged.
4) If the problem persists, contact a plumber to check for obstructions or solve the problem by adjusting your home's pressure regulator, if there is one, or installing a water pressure booster pump.

He has a well not city water.

I wonder if you had a Myers Rustler. They had problems with the discharge head cracking several years back.

bob...