Questions tagged [water-pressure]

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1answer
1k views

Will I notice a pressure drop going from 1/2“ pex to 3/4” CPVC then to 1/2" CPVC?

I'm replacing my older CPVC piping in my house and I have access to almost the entire house except the master bath area. At first, I thought it was being fed by a 1/2 inch line that I could just ...
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1answer
585 views

Why does my shower have low water pressure?

The water pressure from my shower is low, we've been using it for several years but it's only in the last couple of weeks that we've had the problem. I've cleaned the showers head and hose, don't know ...
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2answers
2k views

Sizing DHW expansion tank for tankless heater

I have a combined boiler for hydronic heating and DHW. Earlier in the winter, I started insulating as much of the pipes I can easily access. This has led to hot water coming out of the cold water ...
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1answer
53 views

Well water pressure drops after very little use time

Purchased my home 8 months ago and one of the first things I did was replace the pressure tank, switch, and water softener, and added a new filtration system. Everything was running fine, but overall ...
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0answers
76 views

water company replaced meter now very low water pressure!

I recently came home from work to find the water company digging up my front yard. Apparently they were putting in a new meter? An hour or so after they left i turned my kitchen sink on and water ...
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0answers
28 views

Low water pressure issue

I have replaced both PRV and expansion tank and still have an issue with water pressure when one or more taps are used. Any ideas for my next step.
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0answers
60 views

Why would a sprinkler increase water pressure to house?

Update: Overnight, the pressure gauge spiked back up to 200. I tried testing the sprinkler system again. I ran the #7 valve (the one I noticed it was on when noise started happening) manually and ...
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0answers
68 views

Low pressure when using outside hose

We are in the northeast on a well. We have had no issues with inside water pressure or running out of water. Recently, On two occasions, we filled a 240 gal inflatable pool from the outside hose. ...
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4answers
343 views

How to Fix this Water System?

Due to low water pressure and lots of water interruptions from our water supplier, we asked a 3rd party to install a water system. This is how the water system looks like based on my observation. ...
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0answers
26 views

What is causing plumbing noise and pressure spikes after pressure regulator and hammer arrestor was installed?

I had screeching pipes & water hammer when the taps were turned off (straight after a new bathroom was installed - didn't have it beforehand). I then had a pressure regulating valve attached as ...
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0answers
77 views

Why did we lose water pressure after cleaning well pump?

After we had our pump cleaned out, all the water pressure in the house (shower, bathroom sink, kitchen sink, etc) has gotten worse than it was before the cleaning. I called someone to service our ...
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0answers
49 views

Sink pressure increases after turning water off and on again?

The water pressure in my kitchen sink is usually low when I first turn it on, but if I turn it off an on again, the water pressure increases. Subsequent attempts to turn it on and off do not alter the ...
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2answers
183 views

Will a water pressure booster stress my house's plumbing?

If two taps are opened at the same time on the main floor, or if one is opened on the main floor and one on the lower floor, the water pressure seems to be insufficient for both taps. The house is a ...
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1answer
1k views

Repressurising baxi duo tec 2 28ga combi boiler?

I have a towel radiator that really needs bleeding however I'm concerned that my boiler is going to need repressurising after bleeding. Most tutorials I have seen have had 2 blue taps that you need to ...
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0answers
50 views

What size RPBP/RPZ should I use for a 3/4" city water meter?

A friend has a 3/4" (0.75") water meter at their 1.3 ac property. We want to do some fertigation with their irrigation so we're looking at a Reduced Pressure Backflow Preventer. The main line for the ...
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1answer
409 views

Water pump as air compressor? [closed]

I've googled this, but found no satisfactory answers. I've found a diaphragm pump on amazon for $20, but it has one problem- it's designed for water. I specifically need a diaphragm pump/compressor, ...
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2answers
89 views

New 1/4in plumbing shakes when cold water shuts off; worried?

I had a 1/4in line run from my basement to a new kitchen refrigerator, using a saddle valve coming directly off the 3/4in main (it's the first tee off the street essentially). Every time cold water ...
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0answers
129 views

Cycle Stop Valve and well booster pump

I've been thinking about installing a CSV (cycle stop valve) after my F&W 2 horsepower booster pump to maintain a constant PSI at the house and put a stop to the water hammer. Has anyone done this?...
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0answers
59 views

Is my well booster pump GPM is too high, causing pipe erosion?

I am suspecting my well booster pump is causing errosion corrosion inside my house where 3/4" copper exists. It is 2 HP and operates at 25-44 GPM. The 1" line outside the house tees off into the fire ...
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1answer
203 views

Boiler system shows different pressures

I recently had to change the expansion tank on our boiler. I decided to add a shut off with drain as well as a pressure gauge to make it easier going forward. I've come across a problem. The ...
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1answer
1k views

Why does the kitchen faucet lose pressure and sputter?

Only the kitchen faucet, all other in trailer work fine, will start with full pressure, lose the pressure, and if I turn the water off then back on, it sputters so hard that it can be felt on the ...
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1answer
185 views

Faucet Water Pressure

I have low water flow from my kitchen faucet. However, both bathroom faucets have very high water flow. I have verified all the shut off valves are fully open (bathrooms don't have shut off valves ...
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1answer
881 views

Water Pressure Fluctuating [duplicate]

We are selling our house, and I have not noticed any problems myself with our water pressure, but the home inspector's report said--- Water pressure rising and dropping as pump is running and shutting ...
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3answers
3k views

Flow sensor adjustment for Navien 240S natural gas

We installed a Navien 240S natural gas in our house, and it is working fine. Except the short range for hot water valves in the showers. So, in other words, I need to turn shower valve almost all ...
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0answers
464 views

How do I get more GPM from my Delta Monitor series 13 shower faucet?

For example, is there a way to non-destructively modify the cartridge to increase the flow rate without damaging the cartridge and the scald guard feature? I currently have a shower wand with the ...
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0answers
31 views

Help figuring out a water pressure problem in new shower faucet installation

When installing a Price Pfister Shower head we water hammering. So we got a new cartridge sent to us. Now there is a tiny trickle when we turn the hot water valve on. We switched the cartridges back ...
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0answers
364 views

how to stop seeping ground lake water coming into our cottage basement at times of extrem runoff pressure from river

We have a lovely walk out house at Wasa Lake, B.C. We are retiring there this year and would like to use the walk out for addition living space. Had the house since 2005 and had no issues with ...
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0answers
80 views

Hydronic Heating: Noisy pipes in the basement/walls

My issue is i have a natural gas boiler + hydronic heating system (two zones). It seems that after I remove air from each zones, the heating system is quiet until 12 hours later. In the early morning ,...
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1answer
1k views

How should I increase pressure in a Glow Worm Micron 50FF?

My Glow Worm Micron 50FF boiler's pressure was yesterday reading at a pressure of 1 (mbar or PSI -- not sure which) but the red fixed line shows as 2. I had a look in the manual and it suggested that ...
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3answers
302 views

How do I prevent a drop in flow in a system with a pressure tank, 40/60 pressure switch, filter and water softener?

I have a well with a 30/55 pressure switch, and I hate the shower pressure. I am redoing the main water appliances with a new pressure tank (going from 20 gallon to 35 gallon), new 40/60 pressure ...
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0answers
337 views

Well pipe leaking at where pipe comes to the house. (Images, Video)

so here's my problem here: Well pipe leaking - images Well pipe leaking - video ^ This was recorded march 28-th (so during spring thaw). Since it wasn't dripping since the spring - my assessment ...
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0answers
198 views

Water draining out of pipe when usage is high.

We moved into an old house and there is something happening in the basement that I need some help explaining. Here is a image showing where the leak is happening. I've marked where the water is ...
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2answers
582 views

Home waterline upsizing questions

So I JUST had my plumber replace the service feed to my house with a soft copper 1" dia. line, which was originally 3/4" dia. GSP from the street to the house (~35' as the line lays). I wish I had ...
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0answers
97 views

Can I use a snake to clean out a shower head extension?

I have a basic 25 to 50ft long 1\4 to 3\8 snake, with a 1\2 drill. Can I use that to clean out a shower head extension? I noticed sediment when taking the old shower head off. With the extension ...
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0answers
55 views

What material to use to clog previously cut central heating pipes

I used to have a central heating system which was never in use for years, because it couldn't be connected to central pipe inside other building. Last winter I finally dropped water from it and cut ...
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2answers
158 views

What problems could be caused by putting mains water in to the pipe from a shared water tank?

I'm having a boiler replaced and have chosen a combi boiler. One of the benefits is mains water pressure hot and cold water where previously I had low pressure coming from a tank. The boiler is in ...
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0answers
232 views

What would cause a water pressure drop after tripping a breaker?

I recently plugged my laptop into a cheap powerbar, which caused said-powerbar to short. This tripped the "sockets" circuit on the breaker, which, upon resetting, caused power to begin flowing to ...
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0answers
141 views

How should I replace these pressure reducing valves?

At my church, we have a fairly old boiler system. The system was just passed for annual inspection, but it is failing to refill after having been drained. There is absolutely no water flowing past the ...
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0answers
477 views

How can I determine why there is no water coming from my hot taps?

I'm getting no water from any of the hot taps in my house. The cold water taps are working fine. The central heating is also working. I have a combi-boiler. It's been fairly cold today in London, so ...
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0answers
166 views

How to fix a toilet that flushes too hard? [duplicate]

Possible Duplicate: How do I make our toilet flush less vigorously? When I flush my toilet, the pressure is such that it actually splashes up quite a bit. (It's kinda gross.) How do I fix this?
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0answers
373 views

opening water pipe/tap has hissing noise throughout the house [duplicate]

Possible Duplicate: How to eliminate the “whooshing” sound of water running though pipes. I have a 3 story townhouse. Any time when I open a tap, even very slowly that water is just ...
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3answers
94 views

How does water flow through my water heater and up to the top floor without a pump?

My house has a gas based water heater(geyser) on the outside. The plumber has connected it such that without the use of electric pump, just through pressure alone, hot water reaches the 1st and 2nd ...
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2answers
250 views

How does cold water pressure get used by a hot water heater to produce hot water pressure?

Recently I had to change a washer in the shower for my hot water tap. I couldn't find the pressure tap for the hot water on my hot water boiler. I asked a friend how to switch off the hot water ...
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1answer
822 views

Why are many shower hoses “explosion proof”?

I noticed that many shower hoses are advertised as "explosion proof". Since I have never seen a shower head with a tap on it, I'd think the hose has to withstand only a fraction of the pressure that ...
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1answer
552 views

No pressure in my bathtub cold water

For some reason I don’t have any pressure in my bathtub cold water side but the hot water runs wide open any idea why I’m not getting hardly any pressure to my cold water side? It’s separate handle ...
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2answers
6k views

What is the function of the metal mesh in the rubber grommet for the showerhead?

Our previous showerhead literally came apart in my hands, so I bought and installed a new one today. The first grommet connecting the ball joint to the shower pipe has a metal mesh disc in the middle....
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2answers
332 views

Is it normal for a sprinkler system to increase water pressure to a house?

I'm having a sprinkler system installed and the PSI meter in my garage went from 85 psi to about 105 psi. Is it expected that a sprinkler system increases water pressure to my house? If not, is ...
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2answers
839 views

How can I figure out why my water pressure is basically zero?

I took a shower last night before bed and the water pressure in our house was perfectly fine. This morning the water is drizzling out from all faucets, showers and fixtures. I've checked the water ...
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1answer
25 views

Is there any way to test the water pressure at a structure, and if necessary from a specific output (hose bib)?

Reading about irrigation sprinklers (example product), I see a certain recommended PSI. With interest in powering an existing irrigation zone from the hose bib attached to the property, it seems ...
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3answers
925 views

anatomy of Kohler handheld showerhead - flow restrictor

I have a Kohler Flipside handheld showerhead (K-17493), rated at 2.5 gallons per minute. But the actual flow from the showerhead is under 2 gallons per minute. The problem seems to lie with the ...

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