Questions tagged [water-pressure]

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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
117 views

Dishwasher squeals right during fill?

Not much to it. I can provide model and all that stuff but don't think it is pertinent. Dishwasher squeals/whistles high-pitched right when it is intaking water - super super loud. So depending ...
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1answer
60 views

Increased Water Pressure after Expansion Tank Replacement

Two weeks ago, I had to replace the expansion tank on my hot water heater due to a small pinhole on the top. Ever since then, it seems like there is increased water pressure when I flush either of ...
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1answer
37 views

No water from the faucet

I have checked the circuit breaker and it is good. The sub pump is running alot because our basement flooded. The water pressure tank shows 70 psi and is covered in poop and water. We have no water ...
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4answers
4k views

Would increasing pipe size just after the meter give better flow without increasing pressure too much?

I have a wife and 5 kids. Three of them are teenage girls, which means I hardly ever get a chance to shower. I wanted to put in a second bathroom to help fix this. I spoke with some local plumbers and ...
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0answers
28 views

Water flow/pressure drop

When I was installing a tankless water heater in a new location - I decided to replace my 1/2 copper with 3/4 pex as part of the project. However, after turning on the water back on if more than one ...
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2answers
20k views

Can I use a gauge designed for measuring air pressure to measure water pressure?

Looking around at the local home improvement center for a water pressure gauge, and all they seem to have is a gauge with 3/4" FGHT (Female Garden Hose Thread). Of course I could get a bunch of ...
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1answer
57 views

Water pressure in bathroom sink

Wondering why the cold water comes out with full pressure but warm is at 1/4 of the pressure? What are all the things I can check?
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4answers
70 views

Thermostatic control of an unmanaged energy source to supply hot water cylinder

I have a solid wood burner that contains a heat exchanger. There is no guarantee that the combustion can be regulated. This heat exchanger feeds a loop that acts as the source heat exchanger in a hot ...
0
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1answer
45 views

What are my options for ensuring that water pressure doesn't drop in the top floors when taps in the lower floors are opened?

In many multi-storied buildings, I've noticed that the water pressure in the top floor taps reduces drastically when the taps on the lower floors are open. I'm currently in conversations with the ...
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1answer
38 views

How much pressure fluctuation is normal on 3/4" line when one tap is open?

We have a 3/4" meter / water supply line to our house. How much pressure difference should I expect between when no water is running and (say) one cold tap is open full? I assume flow rate is about ...
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6answers
85k views

Is there any benefit to upsizing to 3/4“ pipe off a 1/2” main supply?

I have a half inch main supply coming from the street (house built in 1954). Is there any benefit if I run 3/4 PEX from the water meter to the various feeds and then branch off 1/2" PEX to the faucets?...
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0answers
99 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 ...
2
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1answer
145 views

how do I replace a single union pressure reducing valve?

I see a 115 PSI water pressure at my home. Looks like my PRV is hosed. I am a complete newbie in plumbing, please take a look at the pictures and help me understand what I need to replace the PRV. So ...
0
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1answer
43 views

Reducing pipe size on Booster pump

My potable water pipe is half in throughout. The booster pump I would like to install is 1 inch. Can I add two reducers to accommodate this pump and would this cause any problems as such? Firstly my ...
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1answer
1k views

Residential water pressure booster operation & reliability

We live on the top of a hill and thus have fairly low city water pressure (35psi) arriving at our house. I have a chance of saving quite a bit of money on my water bill by potentially reducing this ...
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0answers
60 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 ...
0
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1answer
98 views

Low city water pressure booster - when would it turn on?

If I were to install a pressure booster pump, would it work / be on consistently or is it only triggered by specific water pressure ranges? A plumber told me it would only kick on if the pressure ...
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0answers
31 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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2answers
71 views

High water pressure issue from hot water heater

Hoping someone can help me with this weird issue I am having with the water pressure at my house (at least seems weird and mysterious to me). This is an issue that started happening about 6 months ago....
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1answer
48 views

Well pump ends up overwhelmed. How can I solve this?

I have moved into a house with a well. Occasionally if too many water uses occur the pressure tank is expended and it trips the switch to off and it stops running. If I go down and reprime the ...
0
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2answers
193 views

Home water pressure consistently exceeds 150 PSI

Background: When I bought my home it had a 50 gallon gas water heater in the garage without an expansion tank. On the hot water line there is a Watts adjustable pressure relief valve (this NOT the ...
0
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1answer
46 views

Shower makes loud squealing noise at lower settings

I have an older three knob shower that make a ridiculously loud squealing noise along its pipes all the way down to the basement. It outputs water at a quite a high pressure and whenever I try to ...
0
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1answer
105 views

Questions about home water pressure (105-110 PSI range) and the drastic pressure drop when a single faucet is opened

I live in a three-storey townhouse and have measured with a pressure gauge on an outside faucet, at the laundry machine cold water feed and on the hot water's hose-compatible drain a pressure of ...
7
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6answers
74k views

Why does my kitchen faucet have low pressure after the water heater was replaced?

I recently replaced my water heater, and since then, the water pressure for my kitchen faucet is really, really, low. None of my other faucets seem to be affected (bathroom, shower, etc.). I can't ...
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0answers
74 views
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1answer
2k 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
24 views

Hot water spigot in bathroom shuts off aftere a few seconds

When i run the hot water in my bathroom sink, after a few seconds i hear a bang behind the wall and the hot water shuts off. This only happens at this one location.
2
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2answers
60 views

Pressure Cycling and Suspected Ruptured Line

We're having a bit of trouble with our well and water pressure, and I'm hoping you all might be willing to help us troubleshoot. This is a residential home with a well and a tank with a 40/60 ...
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3answers
65 views

*Reduce* shower pressure?

I just moved into a new apartment on the 2nd floor of a 30 story building. The shower is one of those single-handle types where you turn to change temperature, but flow isn't adjustable (unless I'm ...
0
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1answer
87 views

1/2“ Feed, 3/4” Piping, Effect on Water Flow Rate

Currently plumbing a 20" rain shower (droplets + water fall). Using it with a water pump/booster. The valve that comes with it has two 1/2" inlet which consists of cold + hot water so it's basically ...
0
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2answers
243 views

What causes water pipes to shake violently with no known catalyst?

I woke up this morning to the sound of my water pipes shaking violently. So violently that I could feel the walls moving. The house was built around 10 years ago, and has water hammers. Normally I ...
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1answer
30 views

Will inline water well tank resolve spitting at faucets?

After changing old style well tank from inline
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1answer
34 views

Kitchen faucet low pressure

I believe the low pressure from my kitchen faucet hot and cold is from this blue connector. The faucet and parts are new. If I disconnect this, the pressure seems normal, but with it connected it ...
0
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1answer
58 views

Water softener trips TPR valve

Recently moved into this place where the previous owner had put the softener on bypass. I’ve reconditioned the whole thing, new seals, scrubbed out the brine tank, new salt... Come time to hook it up, ...
2
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2answers
285 views

Why would turning on/off hot water when the toilet is flushing cause the tankless pressure relief valve to release water?

I noticed the other day that my tankless hot water tank was occasionally spraying water all over the place from the Pressure Relief Valve. The only way I've found that seems to reliably trigger this ...
0
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2answers
96 views

What heating system do I have, and what can I do about water pressure in my shower?

New homeowner (UK based) and getting to grips with all that comes with that. I previously only lived in a flat with a standard combi boiler, my new home seems to have an older system in place ...
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5answers
105 views

Issue with loss of pressure in shower

There's an issue with our en suite shower that is currently puzzling us, and our plumber. Our en suite shower is making a high pitched 'squealing' sound after about a minute of operation, this is ...
0
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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 ...
3
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4answers
11k views

How often do I need to replace the home water pressure regulator?

While having my plumber determine what to do about a leak in my water main (city water supply), he mentioned that I should probably replace my house water pressure regulator if it hasn't been replaced ...
0
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0answers
29 views

How to investigate occasional water-pressure problems?

After living in the house for about 10 years, a few weeks ago we started noticing occasional drops of water-pressure in the showers and faucets. It is not consistent -- after one person struggled ...
0
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1answer
296 views

How do I equalize the oscillating cold and hot water pressure in shower?

Background Hi there. Newbie here from South Africa. A couple of years back we moved into our first home. We have this problem where the water in our shower keeps oscillating between too hot and too ...
3
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1answer
35k views

Water pressure in upstairs sink lost after turning off main line to fix shower

So yesterday I had to replace the handle on the shower-- and because I couldn't access the valve to the shower, I had to shut off the main valve to the entire house. I switched out the handle and ...
2
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1answer
58 views

Well pump short cycle diagnosis

I've found a number of resources about short cycling, but none of them mention how to interpret the pressure meter. In this case, it's a small tank that feeds a bathroom. It used to work fine, now ...
0
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1answer
263 views

Combining two water inlets into one. Does increase pressure

There are two water pipes with same diameter and same water pressure. If we combine both pipes to get single output. Does it increase water pressure on final output or the pressure will be same. What ...
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2answers
2k views

Can I just add air to an air-over-water pressure tank?

We have an older well system in a house that we purchased this summer. The information that I have found on the web assumes that there are some valves in the system that I don't have, for instance ...
1
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0answers
65 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 ...
1
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1answer
227 views

Water heater noises when my neighbor's sprinklers are active

Hello I recently (few months ago) installed a tankless water heater following a failure of the old 55gal gas heater. Performance has been fantastic, it actually resolved a number of problems, but I ...
1
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1answer
120 views

Regular then low pressure from well water

First of all I have a drilled well with an in well pump. My house is manufactured housing with PEX lines. I recently drained the lines to install a new kitchen faucet. I just shut off the breakers for ...
3
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3answers
1k views

Water Supply Noise due to Thermal Expansion?

I have a plumbing issue that I'm looking for suggestions on. After using a substantial amount of hot water (say, a long shower + washing laundry) I will hear a loud rumbling / vibrating sound ...

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