Questions tagged [pressure]

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Trane heat pump compressor and outside fan do not start after being idle

Trane 4dcy4060a in heat mode, after being idle for a while the thermostat calls for heat - the indoor fan starts but the compressor and outside fan do not. initially (a couple months ago) i could ...
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26 views

Are compressor pressure switches adjustable or repairable?

I have a craftsman air compressor. It's about 20 years old, but for many years now, if I let it run on it's own, it will always blow the pressure relief valve. I don't need a lot of volume, so I ...
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14 views

Flexline on a t and p release valve?

Opened new water heater box and noticed that the t and p valve is in the wrong place...on top. It used to be connected on the side with a copper flexline, then 3/4 copper pipe through a kitchen party ...
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1answer
37 views

Filling a Viessmann Vitodens 100W that has dropped to minimum pressure

I have a Viessmann Vitodens 100-W that heats my house, and I presume delivers hot water too. I must confess I have been negligent, and never had it serviced. The unit is 8 years old. I will get it ...
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3answers
462 views

Why will my well pressure not go above 40 PSI even when I hold the pressure switch closed?

My well is probably 200' deep and is about 50' from the house. I have no idea what the pump HP is. I have tried different pressure switches and adjusted them up / down but I can never get more than ...
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1answer
22 views

What could cause a water pressure dip at the cut in pressure?

I am consistently seeing/feeling a pressure drop just before the pump kicks in to refill the Pressure tank. I am on a well with a diaphragm pressure tank. I have drained the system and verified the ...
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1answer
27 views

What is the dry time where can you pressure test a DWV system after glueing?

I just pressure tested my system and found a leak in some old connections. So I removed them and added some piping. The dry time for use is 2 hours. Is it the same for pressure testing to 5psi?
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3answers
66 views

Why does water pressure spike when sprinkler is winterized?

We are getting spikes in water pressure, measured at the main feed to the house, starting yesterday when the outdoor sprinkler was shut and winterized. I have a backflow preventer that is tested ...
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1answer
34 views

Well water pressure changing rapidly

I’m hoping someone could help us. We noticed an issue with our water pressure, it seems to fluctuate every 20 seconds or so. We are still able to use our water but it’s become a lot more noticeable. I ...
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1answer
35 views

Water pressure tank

When I turn on my faucet the psi on my tank show 60 psi and when it drops to 40 it turns on but only gets to 55psi then it drops to 30psi before turning on then it only fills to 50psi and drops down ...
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28 views

150 psi dual pump pressure switch issue

I have this pump (12v dc dual 150psi diaphragm pump). As you can see it has a built in pressure switch which I have disconnected because it does not pump water at all if it is connected - it turns on ...
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0answers
17 views

about sizing a replacement retension

we are replacing a 15yo Amtrol 82 gal retension tank (leaks)with a 42gal fiberglass tank with similar openings not an actual retention tank asnone available in our area. Installed it with tthe same ...
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78 views

Strange clicking noise related to water supply

I have experienced a strange clicking noise coming from under my house. Not the banging noise I read about in other posts - this is not the sound of a pipe hitting a wall. It's very hard to trace as ...
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1answer
43 views

Pressure tank location

We are purchasing a home with a shared well with the neighbor. The pressure tank is in the house we are purchasing. We are destroying the house therefore the tank will need to be relocated outside. ...
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1answer
49 views

Creating positive pressure to keep secondhand smoke from seeping into a studio apartment

I just moved into a 325sf senior apartment and now live in a gas chamber. The second-hand smoke from the upstairs neighbors seeps into the apartment 16 hours a day through gaps around the shoddily ...
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1answer
146 views

Gas line pressure testing, is there an acceptable limit for losses?

Last week I finished installing the gas home runs in a house I'm working on. Never really done this before, but I figured I'd take a shot at it since it was only 20 ft of pipe. Last Saturday, with ...
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1answer
49 views

well pump will not fill pressure tank

Just installed a Wayne WLS150 water sprinkler pump in addition to a 20 gallon pressure tank on our boat dock. The tank has a 40-60 pressure switch on it. Pump works well and pumps an enormous amount ...
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1answer
64 views

Whole house filter/water softener affect water pressure?

Since moving in we have some issues with the water pressure in our house. I have adjusted the water pressure coming into the house and measured it at around 60psi (originally was set to around 35-...
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17 views

Pressure washer loses high pressure when high pressure hose umis attached

I have a branded Honda cvg 120 pressure washer. It was sitting in storage for a while so prior to starting I emptied the gas and cleaned out the carb. With fresh gas it started on the 2nd pull. Gave ...
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1answer
38 views

New well pressure tank short cycling

I have a 3/4HP well for my lawn sprinkler system. I recently changed the pressure gauge, the pressure switch (set to 20/40) and a new pressure tank (18PSI from the factory). When I turn on the power,...
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2answers
829 views

Boiler losing pressure overnight

so, i have an ideal logic combi boiler which although working seemingly well , the pressure drops to almost 0 when not use, mainly overnight. I do not need to re-pressurise the system as when i turn ...
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1answer
128 views

Rinnai R85 - no water pressure after flush

I have a Rinnai R85 tankless water heater. We recently had an issue with no hot water which was resolved by performing a flush. Since then, upstairs sinks and tubs are fine, but our two kitchen ...
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2answers
44 views

Water pressure became a problem - city water

Old house, 1948, city water. I have regulator on main set to 50psi We had a problem when washer runs it's impossible to take shower. But recently (last 3 month or so) it became worse. If you take ...