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Trying to find the valve on the pump to release air

Just empty our spa for the first time an refilled it, an now it sounds like a washing machine, the pump make is flo master xp2

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The pump is air bound. It should bleed by it self in a min or less. I would not run it more than that. Is there a valve on the output side of the pump to drain the system? If so open this valve while the pum is making the noise until it flows water, Should be right away) close the valve and all should be normal/

Good Luck

Posted on Feb 07, 2009

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Big rainwater tank ran dry and so electric Onga pump that normally pumps water from big tank to little overhead tank kept failing. Have since refilled big rainwater tank, but pump keeps failing. Have

Release AIR lock. Air has got trapped in the pump hence it cannot create necessary level of suction. The way normally you do this by filling the water path of the pump with water and get the air released.

Oct 12, 2014 | Plumbing

1 Answer

What else can causes water hammer if arrestors don't work?

If your question is about what causes water hammer:
It is usually caused by fast acting solenoid valves i.e. Washing machine valves, dishwasher valves, etc. this kind of water hammer sounds like a large bang when the valves closes suddenly. The other kind of water hammer is when one of the seats are loose in an angle stop or a faucet. This kind of water hammer sounds like a chattering

In my experience as a 30 year retired plumber I found the best and the cheapest way to fix this problem is:

Install a dishwasher 3 way angle stop near the offending fixture.
Take a length of 3/8" copper tubing and wrap about 3-5 times around a coffee can or similar sized pipe and make a coil capped or soldered on one end and put the other end in the side branch of the valve leaving about an inch between coils. The force of the water stopping will be absorbed in the coil itself, no need to drain down the water in an air valve.
You can also use this method on a larger scale near the water heater, 1/2" and more wraps in the coil for a whole house suppressor.

I have used this method successfully several times in my career

Aug 22, 2014 | Sharkbite 3/4 in. Residential Water Hammer...

1 Answer

My new water pump i installed just like the instructions said won't hold pressure, I have a new foot valve and a flow check valve in the suction line from the well?

Just to confirm that the pressure tank was pre-charged with the tank emptied of water. If water comes out of the air valve, then the bladder is ruptured, and the tank needs to be replaced.

Apr 08, 2014 | Plumbing

1 Answer

Diverter valve problems

Check for pipe leaks and valve failure

Apr 29, 2013 | Pentair 2-Way 1.5 Inch x 2 Inch CPVC...

1 Answer

Ao smith 1 horse house water pump. water pump only fills tank half way to 3 /4 . pump does not stop running.. water pump leaking a little water out of water valve spiot

Hi, W/D here.
The tank has to have an air cushion in it for the water to be delivered as water is not compressible. Ideally, the water is expelled from the tank without air leaving the tank, and then the pump starting to refill the tank. The air in the tank is supplied either by an air bladder installed in the tank, or by an air injection system where a little air is injected into the tank every time the pump runs and shuts off.
A little leak at the pump is not a big deal, but should be capped off or the faucet repaired/replaced at your earliest convenience. Ideally, the water level in the tank should be closer to 80%; so if you have an air injection system, you might let a little air out of the tank (if you have a top valve), and this might cure your cycling problem. With the tank level as is, you are probably getting some air in your lines into the house. If you have an air bladder in the tank, the required pressure of the bladder, with no water in the tank should be on a sticker located at the schrader valve on the top of the tank (A schrader valve is similar to the air inlet valve on a bicycle tire). The ones I am familiar with are set around 28-29 psi. If you have an air injection system, it may need to be replaced. If the costs are close, I would elect to go with a bladder tank, as I've found that they eliminate many of the problems associated with the air injection type.
Fix or cap the faucet so you have no leaks showing at the pump or tank. Catch the pump running, and wait for it to shut off. When it does, close the discharge valve to the house and wait. You may need to trip the breaker for the pump. Watch the pressure gauge. If the pressure falls, the problem is with the well, and you may need to pull the inside well supply line from the casing and make repairs at the foot. My experience has been that it is better to replace the leathers, jet valve and foot valve all at once than to hope they hold if I repaired only one part.
If the gauge holds after 10 minutes, open the valve. If the pressure falls, the problem is on the house side of the valve.
Resolve any issues on the well before checking further, as that's where most well problems originate.
Adjust your tank level and pressure. If the pump continues to cycle, you may need to replace your pressure switch.
Best regards, --W/D--

Mar 10, 2011 | Plumbing

1 Answer

H20 error on Coyote Drifter Hot Tub

Air locks are a common occurrence after a drain and refill.
An air pocket gets trapped right in the pump volute, where the impeller is housed. So, the impeller sits in a pocket of air. It will spin there all day long, or until the cows come home, if they ever do? And you will never have water movement.
anyway, what needs to happen, is that air pocket needs to be pushed out of there! And the atmospheric pressure on the water in the tub will be your friend.
If you have isolation valves before and after your equipment, close the valve on the discharge side of the pump. Leave the suction side valve open.
loosen the union a couple of turns, on the discharge side of the pump, or one of the unions at the heater assembly, it doesn't matter which of the three.
You will get water, then the HISS of Air!
Let all the air come out, then water again, for about 3-5 seconds, then tighten. Open the closed valve. Start system. It should take off.
Good luck.

Apr 04, 2010 | Plumbing

1 Answer

No water from well.

If the water pressure reads 50 psi, then, the submersible pump is running okey. Do these:
1. Shut the power off.
2. Release the pressure of the tank by opening the
gate valve and free the air inside.
3.Drain the water inside your pressure tank empty by
opening the drain plug at the bottom.
4. Then, replace the drain plug .
5. Check the flow control valve. From full close
position, adjust to 1/4 open position. However, if it
is using a gate valve as flow control, Just open two
full turn counter clockwise.
6. Put the power on.
7. And start the submersible pump and allow it to
run until the pressure tank is pressurized.
8. At 20 psi pressure, open your faucet, and see if
you've got water.

I would like to know the result, so just send in your e-mail . Thanks and God bless you.

Oct 26, 2009 | Plumbing

1 Answer

Pump is constantly cycling on and off at the pressure limits of 40 and 60psi, respectively , when the water is being used.

Do you have a tank with a air bladder inside or do you have one with a air valve on the side?

I suspect you have a tank with an air valve. If that is the case, yours sounds like a classic case of "air bound". There is the possibility that you have a Blue tank with a air bladder inside trhat does not have a air valve on the side - but lets talk about the classic tank now.

Your pump is "short cycling" because there is very little air cushion at the top of your tank. What you need to do is get more air into your tank. Turn off your pump. Turn off the main water valve. Open the tank drain. Press in the (probably) black ball on the side of the air valve. Let the water all drain out. When the tank is empty, let go the black ball, close the tank drain, turn on the pump. When it stops, open the water main to the house.

Let me know what happens.


Sep 26, 2009 | Plumbing

1 Answer

Pump spinning but not getting up to speed then shuts off

You have a pressurized system using a pressure tank.This is a case of an air logged pressure tank. Meaning there is more air than water in the pressure tank. The pressure tank must hold 2/3 water and 1/3 air of its total volume. Installed at the tank is the air volume control to take care of this proportion. Should the air volume control malfunction or becomes defective, the air-water ratio is affected. And then,
the pressure tank becomes either air logged or water
1. Shut the power off, and open the discharge line
gate valve to flush the water in the pipe lines.
2. Open the drain plug of the pressure tank to empty
all the water at the pressure tank.
3. Close the drain plug, and put the power on.
4. Start the pump, and set the flow control valve 1/4
5. The pump will normally run.

Send your e-mail for us to know the results, and for
further assistance.

Jul 04, 2009 | Plumbing

1 Answer

Campbell Hausfeld compressor has trouble starting

Sounds like your unloader valve is not releasing pressure in the line to the compressor. When it shuts off after filling up if you do not here the psssht that they make when it is releasing the air in the line to the pump. then the line is still full of pressure which makes it hard for the motor to start. Check your unloader valve.

Mar 30, 2009 | Campbell Hausfeld Single Stage Air...

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