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Mastercraft pump model 312242

Spouse let the air out of the tank, made sure water in tank, put air back in and turned power on and guage shows 0 will not prime. Can the problem have anything to do with the points or needing a new guage?

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 10 Answers

SOURCE: pump works but is not pumping water

IT SOUNDS AS IF THE PUMP IS NOT PRIMED. MAKE SURE THE THE PUMP IS FUL OF WATER

Posted on Jan 11, 2009

  • 104 Answers

SOURCE: Flotec Shallow Well Jet Pump won't pump water

The tank is an air tank, it works like a cushon and accumulator.

Have you reconnceted the pump? If not fill the pipe that goes to the well with water. It should not drain down, there should be a foot valve that prevents the water from running back into the well. So if the foot valve is working it should not take a lot of water to do this.

Pour water into the suction side of the pump until the pump is as full as you can get it, reconnect the pump and start it up. Yes it does need to be primed

Good luck

Posted on Mar 17, 2009

  • 6 Answers

SOURCE: i have a flotec water pump that sits on top of my

if the pump is working correctly, it can either be, need more water to prime it, or something in the well, such as low water, plugged filter, etc....sometimes when you have a system that is intermittently used, it can take 20 or 30 minutes of continuous priming to get it to pull, enough water to maintain the prime.

Posted on Apr 06, 2009

  • 1 Answer

SOURCE: new 1/2 hp jet pump with tank not working

Your hose size is to small. Use a 2in black plastic line out to the lake. Inspect your foot valve, and
take your pump apart to see if you may have a pebble stuck in it, and remove the inner workings
and clean. Contaminates build up inside and need to be flushed out. Remember to replace the
gasket. Tighten all your hose clamps. Once your ready to start, spray shaving cream on your
fittings to see if your sucking air. I've been through it all and my pump works fine.

Chuck

Posted on Jul 06, 2009

  • 523 Answers

SOURCE: My well pump keeps losing its prime. The pump

There may be a slight leak within the suction piping, just enough to allow air to enter as its sits for an extended time. I'd be ceratin the foot valve is good and check over all of my suction pipe connections.
I hope this may have helped,
Tom

Posted on Oct 30, 2009

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1 Answer

Water pressure tank. Cycles on and off every few seconds with water running. How can I test to see if the float is good or bad to get the air the tank needs. Thanks


Hi Robert:
Since it's cycling every few seconds, I'd be looking for one of two problems, either the pressure switch, or lack of air in the tank.
There should be a pressure guage on the tank, and the pump should have a low pressure start and a high pressure stop.
I'm not familiar with the "float" that you're referring to.
I would shut off the power to the pump and close the valve from the tank to the outlet line. Then I'd drain the the tank so that I knew there was lots of air in it. Turn the pump power back on, and see what the pressure builds to when the shutoff occurs. Then open the outlet lne valve. The pressure will drop and ultimately the low pressure limit will happen and the pump will start.

As long as the triggering pressures are correct, and there is air in the tank, all should be good.
Modern tanks have a diaphragm that separates the water from the air. There may be an air fitting on these.
Old tanks don't, so the air can eventually be absorbed into the water, and you have to add more air. Some of these tanks had air fittings on the top.

Jun 19, 2015 | Plumbing

1 Answer

I have a hayward s166t filter, guage reads 0 and sight glass water does not swirl when backwashed


Does it show pressure when in "Filter" mode?

If not, then your pump is either not primed, Impeller is plugged, or there is not enough water in the pool, you are sucking air.

Jul 18, 2013 | Hayward S166T Pool Filter System w1 HP...

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Mastercraft 6.5 Gal.3/4 hp does not hold pressure


no it is not normal
if it is like a round tank and you use air pressure to set the operation then to have water there indicates that the diaphragm that separates the water and air has failed
nothing to with the foot valve but a non return valve at that tank or lack or set pressure

Apr 09, 2017 | Air Tools & Compressors

1 Answer

My 1/2 hp mastercraft pump cycles ever 3 seconds roughly. The pressure switch is set at 40-60psi. Should I replace or upgrade my pressure tank?


You might want to make sure you have proper air volume in pressure tank.


Shut down system. Drain tank. Fill tank with air via Shrader valve on top of tank until it has a few less psi than the low cut off setting. This will ensure that the tank still has water in it with some pressure still pushing it out when the pump kicks back on.


Without that cushion of air, the pump short cycles. ie every 3 seconds.....


http://www.pumpsandtanks.com/faq_page.htm#air

Aug 12, 2012 | Plumbing

1 Answer

Pump clicks on and off every time you use water or flush tiolet


This is and indication of a water logged pressure tank. Turn pump off, drain all water from tank, add air to well tank, 2psi below cut in pressure IE: 30-50 switch the air charge should be 28psi in well tank. Make sure water valve after tank is turned off before adding air, so it is not lost before turning pump back on. If problem persists replace well tank.
RJ

Jul 10, 2011 | Flotec Plumbing

2 Answers

When turned on ,pump runs for about 8 to 10 sec. stops,then starts back up then repeats as long as water is on


You have a waterlogged pressure tank. To fix this problem, follow these steps:

1. Determine your cut in pressure by looking at the pressure gauge and seeing when the pump turns on.

2. Shut off the electric to the pump and shut off the main water to the house.

3. Drain the water from the pressure tank completely. You can do this by opening the drain at the bottom the the pressure tank.

4. With a air compressor and tire gauge (don't use pressure gauge on the pump) put enough pressure in the tank so that it is two psi less than the cut in pressure. So if your pump turns on at 30 psi, put 28 psi in the tank.

5. Turn the power back on to the pump and let it run till it shuts off.

6. Turn the water back on to the house.

7. This should fix the problem. If it does not, the bladder in the pressure tank is bad and the whole tank needs to be replaced.

This is a general fix without knowing your make and model of pump or pressure tank. This is a universal way of fixing this problem.

May 23, 2011 | Plumbing

1 Answer

We have pulsation in the pipes which is rattling the pipes noisily and has shaken so badly pipes sprang a leak. Could this be caused by the expansion tan kmafunctioning


yes ,if your tank is under pressure or water logged then when your water expands when heated it has nowhere to go, i'm assuming by the model you described that you are referring to your heating system. you need to drain the pressure down on your boiler to 0 than take an tire guage and check it on the sniffter valve underneath the blue cap. it should be about 15 pounds. if not pump it up with bike pump or compresser.wait for about an hour and recheck if not holding air then discard, you need to save the water you drain and pump it back in somehow, as it could be glycol, or have rust inhiters in it. if you take a reading without draining it will give you a false reading

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When adding air to a pressure water pump ,i


Sounds like the bladder is gone or inproper air pressure in water storage tank.

Bladder goes bad check it out with step 1
1-
One way to check for sure with everything hooked up. The air valve on top of the tank if pressed you will get water out of the valve which should be only air. This will let you know it should replaced.

If Tank bladder is low in air and not water coming out.

2-If it checks ok put an air gauge to tank to check the air pressure, with a standard 40 gal tank you will have 28 psi of air in tank for it to function properly.

May 21, 2010 | Plumbing

2 Answers

New 1/2 hp jet pump with tank not working


Your hose size is to small. Use a 2in black plastic line out to the lake. Inspect your foot valve, and
take your pump apart to see if you may have a pebble stuck in it, and remove the inner workings
and clean. Contaminates build up inside and need to be flushed out. Remember to replace the
gasket. Tighten all your hose clamps. Once your ready to start, spray shaving cream on your
fittings to see if your sucking air. I've been through it all and my pump works fine.

Chuck

May 03, 2009 | Plumbing

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