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Wx-202 that is approximately 14 years old The pressure switch turns on the pump at 30 PS however when climbing to 50 PS it only can make it to 46PS Is this a bad tank or bad switch?
Wiki User
∙ 8y ago
, when it gets to 46 psi, does it keep running and never gets past 46? If it is just getting to 46psi and then stopping, you may just need to adjust the pressure switch, as they get older the springs get weaker and lose tension. Make sure the power s off!!!! There should be a gray rectangle box with wires going into it. There should be a small nut on top if loosen, the cover will come off exposing wires and 2 poles with nuts on them and springs under them. There should be a tall one with a big spring, and a shorter one with a smaller spring. The shorter one with the smaller spring is usually the hi pressure cut out switch. By rotating it clockwise it will raise the cut out pressure. You will want to turn just a little at a time, turn the power on watch the water pressure to see where the pressure cuts out. Its safer to take ure time, some people will crank down the nut and send the pressure so high it will blow the tank out or burst a pipe. So as i said its safer to go just a little at a time. When u get to near 50 + or - you should be good to go. You may also want to check the pressure in ure pressure tank as well. You do this by opening the water valves and letting all the pressure out and leaving the valve open. Then u can hook up a tire pressure gauge, there should be a little cap located on the pressure tank. It should read about 30 psi. If it much lower you will want to add air till the pressure reads about 28 - 30 .Normally you want the tank pressure to be 2 psi lower then the turn on pressure ( yours is 30 ) With the water valves still open, if the pressure will not go to 28 no matter how long u try to put air in, u may need a new pressure tank, they have a rubber bladder that eventually fails.
P.S. If water comes squirting out the tank when you check the air pressure, its pretty much shot. Unless it is a really old model that does not have a bladder, then water may come out. Best way to know is find the model number do a search to see if the tank has a bladder or just gets filled with air.
You can check the air pressure in the pressure tank before you let the water out or turn the power out. That way if water does come out, you know u have something to take care of before messing with anything else. The pressure should be at least 28psi and may read as hi as 46psi since there is water pressure pushing on the air which will actually make the air pressure read higher then it actually is. That's why u want to let all the water out to get a true reading on air pressure as well to see if the tank still holds air. If you have a really old tank it may not have a bladder, some don't. And it is normal to add air in the tank to keep water pressure good.
So check out both things, be careful and mindful to keep the power off before working on the pressure switch. Take you time and be safe.
Wiki User
∙ 8y ago
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