Questions tagged [water-pressure]

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well pressure tank / external spigot

I have an outdoor spigot (like the old red "pump handle" kind) in my back yard. It's down the hill from the well and pump, and in between the house / indoor pressure tank and the well head. ...
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22 views

Well - Water - Plumbing, Setup advice

We have a well system in our home, which is multi-story (basement and 2 floors), and I am looking to optimize the setup of the system to make it more efficient. As you can tell from the photo whoever ...
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1answer
23 views

Could old gate valves be causing low pressure at the faucet?

We installed a new sink/faucet last year and the first faucet we had installed had super lower water pressure which we assumed was the faucet. We replaced the faucet and the pressure improved slightly ...
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53 views

Sink faucet only flows when barely open

I closed the hot water valve under my bathroom sink and reopened it last night, and since then I'm seeing a strange problem. If I barely turn on the faucet on hot I get water flow, but if I open the ...
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3answers
39 views

Pressure Tank Size for a Variable Speed Submersible Pump

Information seems vague or non-existent from pump manufacturers. I need to know what size pressure tank is required for my setup, and all I'm getting is "doesn't need much" or "x ...
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29 views

Odd water pressure drop throughout house after running hose outside

We have a well pump with a pressure tank. On two separate occasions, the wife and kids were running the water outside, connected to a slip n slide type of thing, going down the slope next to our ...
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1answer
34 views

How do I plumb an ADU from a well?

I'm planning to put an ADU (accessory dwelling unit) studio apartment over my garage to use as an office / spare bedroom. The garage is about 50ft from the house, and my house is on a well system with ...
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1answer
28 views

Why is the water pressure suddenly high in my toilet after hot water heater replacement?

I got my hot water heater replaced this morning. Immediately after the water pressure in my toilet became very high. When flushed it’s so forceful I jump. I noticed a noise when the guys were still ...
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2answers
51 views

Main water line from 3/4 to 1in, meter and pressure

I come here with a question since the plumber from a company that I called earlier this week gave me conflicting information compared to what I've read online. I've purchased a house last year and I ...
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1answer
21 views

Low water pressure for water filter cartridges

Will these filters still work on Low Water Pressure? These are the standard 10 inch filters. I know that overpressure can render the filters useless. but how about low pressure? will it still work? ...
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2answers
58 views

What else can I try to resurrect my kitchen faucet?

I flushed my water heater today, and carefully turned a faucet back on that had the aerator removed to hopefully flush sediment out through that one. After that, I did the rest of the house faucets. ...
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1answer
68 views

Why is my water well tank staying at a constant 40psi even when faucets are turned on?

I have a older style bladder tank that is about 6ft tall. Pressure gauge always reads 40psi, it never gets above or below 40psi. The pressure switch never kicks on or off because the pressure never ...
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2answers
59 views

Why does my water hammer arrestor ask for 5psi less than house pressure and not 10 psi or 20 psi?

I have Watts LF150A water hammer arrestors attached to the hot and cold supply valves for my washing machine (my LG washer is crazy about the water hammer). The LF150A instructions say to add pressure ...
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2answers
42 views

Plumbing fixtures starve but water pressure 50 psi

We can't run a shower along with any other fixture in the house or it will slow to a trickle. I've measured the pressure with a gauge and we get ~110psi before the pressure-reducing valve and ~50psi ...
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2answers
63 views

Low foghorn noise after new pressure reduction valve and expansion tank installed

A plumber recently installed a new pressure reduction valve and expansion tank in my house (which previously had neither) because the water pressure was unusually high. About a week after the install, ...
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2answers
31 views

Submersible water pump pressure

I'm terribly new at this and have no idea what I'm doing so please do bear with me. I have a submersible pump that I want to use in a small rainwater tank to water my garden either through your ...
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1answer
71 views

After a water main line repair on our street, our hot water stream for the bathtub suddenly is very weak. Could the pipe be clogged by debris?

Situation as described in the question. We first suspected a partial freeze (temperatures have been extremely and unusually low here in Austin), but even after hours of running the steaming hot ...
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2answers
100 views

Trying to plan a pressure-tank + air compressor for raising home water pressure

In my place, the city water system provides the water at pressure of between 2BAR - 4BAR. We live on the 3rd floor, with water boiler on the roof (5th floor) so the hot water are going up to the roof ...
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1answer
62 views

Water only come from hot water faucet when I turn on both

I have a situation where all hot water faucets in my home give me a dribble and eventually turn off. However, if I turn on the hot and cold, and turn on another hot water faucet nearby, then the ...
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1answer
78 views

Extreme cold: Pipes seem ok, except hot water for bathtub which only trickles, despite being closest to water heater. Can it be frozen? Burst?

Situation as described in the question. We have a peer & beam foundation. I already went under the house to check for a possible leak. The bathtub pipes are impossible to get close to, but from ...
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1answer
108 views

Pipes freezing - different theories

When water freezes in a pipe and the faucet is closed the water between the faucet and the frozen part cannot escape. This leads to increase in pressure as more water freezes. Because as long as there ...
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3answers
138 views

Will an in line water regulator fix my tankless water heater trade off between pressure and hot water?

I had a contractor install a Rheem electric tankless water heater in my casita. I initially wanted a much larger one but he talked me into the Rheem 13 KW 2.54 GPM. When the unit was installed the ...
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20 views

Radon Bubbler losing pressure

My radon Bubbler pressure is set 40/60, and is a 35 gallon tank, and my well pump pressure is set to 40/60 and is 25 gallons. Regardless of the amount of water we use day-to-day, periodically the ...
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1answer
38 views

What does a pressure regulator look like?

The water pressure in my flat has been getting lower and lower. It is my understanding that checking the pressure regulator is a good first step, but I am unsure about what to look for. Is it that ...
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0answers
21 views

Water pressure regulator location

What locations should I look in to find the water pressure regulator for my home? It is a townhouse in NY state, with crawlspace. My section is maybe 8 units connected together. So far I’ve found ...
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0answers
20 views

Water pressure in second floor very low

It has been couple of weeks now that the water pressure in the second floor - two sinks, toilet tank and shower is very low/dripping, but the first floor kitchen and bathroom water pressure is fine. ...
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1answer
57 views

Will reducing the size of a pipe running to my bathroom reduce pressure at the fixtures in the bathroom?

I bought an older house and there are 1 inch pipes running from my hot water heater, across the basement then up to the bathroom on the second floor. The pipe also goes a round-about way and there is ...
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28 views

Shower cuts off 2-3 minutes

We built our home about 34 years ago and we have a private well. For the last several years, we’ve experienced our water will shut off for 2-3 minutes in the entire home, then return to full flow. My ...
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1answer
36 views

Should I use push-to-connect fittings for PRV installation?

I have excessive water pressure and intend to install a Pressure Reducing Valve (PRV) on my 3/4" copper water line. While looking at PRVs I noticed that some products feature SkarkBite push to ...
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1answer
66 views

Is a transition from 1/2“ tubing to 1/4” and back causing low pressure?

I installed my RO system this weekend and I'm pretty excited. The water pressure seems low though. Not unbearably slow but much slower than before the system was put in. The system is 6 stage and ...
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2answers
70 views

Causes for toilets to self-flush due to water pressure issues

Hopefully I can convey my question properly. My townhome is about 20 yrs old (relatively new). It is two stories tall. I have 2 toilets upstairs and one toilet downstairs. This issue just started ...
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1answer
40 views

Cold Water Tap has High Pressure

Thanks for reading, I appreciate it. In my main floor bathroom, my cold water sink tap has incredibly high pressure. All other water sources in the house seem to have a normal operating pressure. ...
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2answers
53 views

Repair or replace a water pressure regulating valve?

The water pressure inside a property is low. The property obtains water from a municipal water supplier. Staff from the supplier measured the incoming water pressure and reported it was within ...
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0answers
19 views

3 psi on main before drop to 1/2"

The psi on the main Mobile Home Park side is 3 This is before the from to 1/2" pipe leading into my homes main. The old pipe is galvanized, 3/4 to 1/2" I believe. In repiping all the water ...
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1answer
303 views

Low water pressure from tub spout after new cartridge and spout

I had very low water pressure coming out of my bathtub spout and the shower diverter was faulty so I removed the spout. The pressure was low coming out of the 1/2 inch copper pipe. I then replaced the ...
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1answer
112 views

Toilet does not flush, pressure is non-existant, it worked when first installed, what's up?

We have an American Standard toilet (I'm not sure of the exact model, but it looks something like that Champion 4). When first installed, it worked great and it was indeed a one flush device. ...
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1answer
38 views

water pressure regulator releasing a tiny bit of water

About a month ago i installed new water lines and a water pressure regulator. The supply pressure is ~95psi and the regulator drops it to ~50psi before it continues to the house and workshop in 1.5&...
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1answer
36 views

Pressure guage full of water and leaking

I have some DIY knowledge, but it falls somewhat flat when it comes to plumbing. I noticed there was a leak in the airing cupboard and tracked it down to this innocuous pressure guage. I have no idea ...
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1answer
27 views

Changing swing check valve for a Double Check Valve Backflow Preventer

I have a bad swing check valve and was thinking of replacing with a 3/4 Double Check Valve Backflow Preventer Assembly. The utility pressure is 10 PSI and is hard water. Since my current check valve ...
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1answer
37 views

Water leak under kitchen after shutting off / turning on water

I'm working on an older 1950's home and was looking to replace a shower diverter (related post of mine: Replacing shower diverter head). We turned the water off at the shutoff valve, did some work in ...
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1answer
77 views

How does a water mains booster pump work? Isn't the flow rate solely determined by what reaches the property in the first place?

When getting quotes for a boiler replacement, we've been recommended to install a mains booster pump (e.g., Salamander HomeBoost). We live in a 3rd story UK flat and currently get a dismal 5 l/min ...
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2answers
147 views

Cleaning swing check valve

I have a swing check valve that is between the water meter and the main ball valve. I have a water pressure booster and noticed that when no faucet is open in the house the pressure drops slowly, ...
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1answer
52 views

No hot water on high pressure shower head

I just moved into a new apartment. I noticed that the pressure in the shower is not optimal, but the hot & cold water work fine. After changing to a higher pressure shower head, the pressure is ...
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1answer
96 views

Water pressure high when first opening kitchen faucet then reduces dramatically when fully opening faucet

This just started happening today out of nowhere. When I open the kitchen faucet halfway the water pressure is ok. When I open the faucet fully the water pressure drops dramatically. Any ideas as to ...
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3answers
85 views

Water pressure problem - plumber tapped into kitchen hot/cold water line to add bathroom sink on other side of wall

I had a bathroom sink added to opposite side of kitchen where there's a sink/dishwasher. I think contractor hired a plumber who is unlicensed. He insists the guy is licensed but I've had too many ...
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1answer
33 views

Newly installed thermostatic mixer runs cold when shower head raised in height

I've installed a thermostatic mixer into my shower; unfortunately now when I raise the shower head height to above my head (or any useful height really) the water comes out cold. If I keep the shower ...
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0answers
29 views

Low pressure in shower after water main restrictor installed; what are my options?

Note: Lots of similar questions, but they mostly deal with either a sudden, unexplained drop in water pressure, or with water pressure that has always been low. In my case, the situation is as follows:...
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3answers
382 views

water pressure drops when irrigation system is turned on

I am using well water. The static pressure measured with the outside faucet is 60 psi. When irrigation system is turned on, the water coming out of all sprinkler heads in any zone is weak. I guess the ...
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2answers
52 views

Water supply slowly loses half pressure

Water pressure comes out of the faucets normal than drops to what seems 1/2 the flow. I put a pressure test on the outside faucet and when I turn it on, it jumps between 60-70. After that it slowly ...
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2answers
32 views

Check valve for high pressure water flow

For irrigation, we have about more than 50000 L of large tank and the outlet of 2 inches (thick red - high pressure) goes through the ground for drip irrigation. Now I need another small tank of 200 L ...

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