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49
votes
9answers
36k views

How can I improve the water pressure in my shower?

I recently purchased my first home. It has two bathrooms and the water pressure in both is less than ideal. What are some steps I can take to increase the pressure?
9
votes
2answers
605 views

Why is the water pressure in my home clearly less than my neighbors?

I own a relatively new home (3 years old) in a new development. I have a PEX water system, which I love (as do all my neighbors). So, I put out the "fan" sprinkler in my yard, and it shoots an ...
7
votes
4answers
14k 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 ...
6
votes
2answers
3k views

Which should be first, pressure reducer or backflow preventer?

Question pretty much says it all. I'm installing a sprinkler system in the yard, and discovered the pressure is too high (valves were leaking when on, and kick when turned on/off). I can see ...
6
votes
2answers
8k views

How can I get low water pressure in sprinkler system fixed?

I have a new house that is still under warranty. Compared to at least two of my neighbors whose houses were built by the same builder and have very similar sprinkler systems, my sprinklers put out ...
6
votes
2answers
4k views

What can I do about high water pressure that is causing a leak?

One of our showers has an intermittent leak, and I've figured out that it happens when the hot water heater is on. There's no expansion tank on the cold supply side for our hot water tank, so I'm ...
6
votes
5answers
4k views

Why does my water pressure drop after using my water hose for a few minutes?

When I'm using my water hose, especially with the electric pressure washer, after about 15 minutes of use, the water pressure drops. I can disconnect the water hose from the pressure washer and ...
6
votes
2answers
2k views

What could cause water hammer after changing a valve cartridge?

I fixed my delta 1400 series shower faucet the other day by replacing the valve cartridge with a non-delta brand. Everything went well, until I turned it on, now the shower pipe is hammering. The ...
5
votes
4answers
4k views

How can I stop high water pressure from causing leaks at the connection to my washer?

First of all, I've tried searching the questions for this but I haven't found anything that matches, but if this is a duplicate, my apologies in advance. I've just moved into an apartment, and in ...
5
votes
1answer
1k views

How strong are copper refrigerator ice maker water lines?

How strong are the standard copper refrigerator water lines? I have a decent size coil of copper line behind my refrigerator and I am afraid to re-position/re-coil it because I have no idea of it's ...
5
votes
1answer
903 views

No water after reopening main water valve

I closed the main water valve for simple repairs. After reopening it there's barely any water doesn't even register in the meter. The valve doesn't feel broken but I can't think of what could be ...
5
votes
2answers
644 views

How to clear pool filter pressure gauge that is stuck?

I've got an in-ground pool, and a DE filter from Jandy. The pressure gauge is in an assembly bolted to the top. The assembly looks like something like this (image from catalog, mine is pretty much ...
4
votes
3answers
2k views

Will I lose water pressure going from a 2“ pipe to a 1/2” pipe then back to 2"?

I have jimmied up a pool heater from an idea on YouTube, but just expanded it. I have a water line of 2" PVC, piped down to 1/2" copper, so it can run through a coil, then increased back to 2" PVC, ...
4
votes
3answers
12k views

How to stop fridge water line without stopping everything else?

So. My old fridge finally went and I will be getting a new one delivered. The company that I am buying the new fridge from is going to haul away my old one. I noticed that I don't have any type of ...
4
votes
1answer
367 views

Why would my pressure reducing valve fail after repairing my water main?

I had a main water line bust on my side of the water meter. After fixing it and turning water back on to my house my water heater T&P valve kept releasing spurts of water which found out it was ...
4
votes
2answers
519 views

Can (and should) I replace the hose connecting a cold water expansion vessel to the cold water supply myself?

We recently had a small flood in our apartment. I found that the metal-sheathed rubber hose connecting the cold water supply to the blue cold water expansion vessel had a wide split in it. The water ...
4
votes
1answer
185 views

What are the differences between an expansion tank and a pressure sensor?

We have a red expansion tank in our building. We have so many problems with this tank. Every 3 months we have to change the tanks tube because the tube is perforated every 3 months. Now an expert ...
4
votes
2answers
622 views

What killed my kitchen faucet pressure?

I have a one-handle "Marielle" model Pfister kitchen faucet diagrammed here. It leaked, so I replaced the cartridge, which solved the problem. A few weeks later, I happened to drain my hot water ...
4
votes
1answer
73 views

Does a larger solar water heater equate to better water pressure?

Please excuse my ignorance - we want to buy a typical slanted rooftop solar water heater for our home. We thought 200L would be an acceptable capacity, but the vendor we visited today said that we ...
3
votes
3answers
1k views

Is temporarily reducing the water supply line an option when installing a water softener?

I am installing a water softener in my house. Currently we're getting the water supply from 1" PEX that has a service loop in the garage. I built my own 1" PVC bypass system for a GE water softener ...
3
votes
1answer
978 views

Why is my third floor hot water pressure so low?

The hot water pressure in our 3rd floor shower is very low. The 2nd floor shower however, has very good pressure. The problem is not the shower head, which actually produces great pressure when ...
3
votes
1answer
1k views

What could cause my showers hot water to not work well after water main work?

We had some work done on the mains cold water feed into the house. At first everything worked just fine but after about a day when the top floor shower is now switched on there's a rapid banging noise ...
3
votes
1answer
2k views

How do I fix slow water flow in my refrigerator door dispenser?

It's an 11 year old Frigidaire FRS26ZPH side-by-side, and this year the water flow started slowing down. It has gotten slower and slower over time, to the point where it's taking over a minute to fill ...
3
votes
2answers
2k views

How can I make a mixer shower more powerful?

The Mira mixer shower has variable temperate settings from 1 (cold) through 10 (hot), plus the extra bit for hot water only. I normally shower at 3 and was thinking there must be a way to let more ...
3
votes
1answer
2k views

What's the purpose of a cold water expansion vessel?

My rented flat (in the UK) has 2 expansion tanks behind the boiler, one red, one blue. From googling around I can find lots of references to hot water expansion vessels; the purpose seems to be to ...
3
votes
1answer
5k views

How can I stop my shower turning too hot and too cold?

There's something wrong with the plumbing, because the shower temperature simply will not stay constant. It gradually changes to either scalding hot, or freezing cold while it's running. The ...
3
votes
2answers
2k views

Low Pressure From Shower Head Troubleshooting

The water pressure from the shower head in one of my bathrooms is extremely low. The pressure coming out of the faucet of the bath is low as well. It has not always had this low pressure, it has ...
3
votes
1answer
432 views

Why do I have low hot water pressure in my kitchen?

I have very low hot water pressure in the kitchen only. I have disconnected the line and have great pressure from the valve. It is a two handled faucet and the cold water pressure is very good. ...
3
votes
1answer
445 views

Is a water pressure booster pump with an induction motor suitable for kitchen tap use?

The water pressure in my kitchen is too low to achieve a reasonable flow rate through the kitchen tap. For many years I have fitted a series of booster pumps which are activated when water is flowing ...
3
votes
1answer
84 views

Shower Pressure Decreases after thumping noise behind wall

With the shower on, I hear a thumping noise behind the wall and the water pressure immediately drops. This happens every few days, so not every time I take a shower. It happens almost immediately ...
2
votes
4answers
9k views

Why does my shower head drip when the tub faucet is on?

I just installed a new tub fixture set: There are two controls - one for temperature and one for volume. The large handle is volume. When the diverter valve is engaged the shower sprays properly ...
2
votes
2answers
6k views

After installing expansion tank, massive buildup of pressure then a trickle?

I am completely stumped. You guys helped me out a lot with my previous question here: New gas water heater dripping relief valve, have expansion tank, what gives? Turns out the expansion tank ...
2
votes
1answer
3k views

Why would I run out of water for a few seconds and then get full pressure back

When I turn the water on for a few minutes I get great pressure and then the water totally stops. After 2-30 seconds the water comes back on and seems fine for the duration. At first I thought it ...
2
votes
2answers
3k views

How to fix leaking PVC fitting?

I screwed up. I'm usually pretty good with PVC. I used the approved cleaner and primer, and Weld-On 705. I've done this dozens of times. But here's where I screwed up: one part was a threaded ...
2
votes
1answer
2k views

How can I prevent sudden increases in shower water temperature

I assume, but am not sure, that this is caused by someone else in the house competing with the shower for cold water. I'm guessing an anti-scald valve might be necessary but perhaps there is a way to ...
2
votes
2answers
215 views

How can I increase water pressure after installing dual-head shower?

I recently installed a 2-headed shower system in my master bathroom (2 shower heads coming from one pipe). Afterwards, the problem I suspected occurred. Having the "gate", if you will, set to direct ...
2
votes
3answers
4k views

Why does only the hot water have low Water Pressure from my 2 handle kitchen faucet?

My kitchen faucet is a two handle style with a single delivery spout. The water pressure for the cold water and for ALL the other water sources in the home work fine. The water pressure for the hot ...
2
votes
1answer
170 views

What could be causing our shower fixture to not work properly?

All of the sudden, we can't turn our Symmons shower fixture to 12 o'clock. It stops around 10 o'clock in it's off position now. We've noticed that when we turn the shower on lately it makes a really ...
2
votes
2answers
239 views

Why do my toilet valves seem to have started running at the same time?

I had a bad toilet that started running last year. This was in a bathroom that is not used at all (guest bedroom). So, i just closed the valve to that toilet and decided to look into it later. I ...
2
votes
2answers
673 views

Central heating pressure dropping

Some time ago, I asked this question. The problem I had was that the pressure in my central heating system was dropping, and I couldn't find the leak in the system. I'm now convinced that I don't ...
2
votes
1answer
732 views

What could be causing water pressure to build up after changing my under sink filter?

After I did a routine under sink water filter change, I am getting a powerful burst of water when I turn on the water dispenser that goes through the filter. It lasts only a second or so then the ...
2
votes
1answer
191 views

How to adjust a pressure regulator, that doesn't have a screw/bolt?

The pressure in my house seems to have dropped, so I called my City Water department. They came out and tested it, and said my regulator must be bad. So I dug it up, and found it's one I've never ...
2
votes
2answers
1k views

What could be causing my spa filter to clog regularly/often; and how can I fix it?

EDITED FOR TL;DR: I have an above-ground fiberglass spa in the backyard of my home. I'd call it a four-person as more than that would probably overflow the tub, but it's got seating for up to seven; ...
2
votes
1answer
4k views

How do I restore boiler pressure through the filling tap?

I have a "Glow Worm" combi boiler that has been losing pressure slowly - from 1.0 bar to 0.6 bar over the course of a few months. The instructions simply say that to restore pressure, "slowly open ...
2
votes
1answer
307 views

How do I pump up water pressure in my shower?

I have a well system that generates approx 35 psi of flow to my shower. How can I pump up pressure to the shower?
2
votes
1answer
1k views

Why do I have low water pressure with more than one fixture turned on?

What would cause low water pressure or flow when more than one fixture is turned on. It does not matter if it's hot or cold water.
2
votes
3answers
2k views

Why does my bathroom shower have too much water pressure?

I have the same shower head, nothing has changed except the pressure. It sprays so hard that it hurts, and in 10 minutes the hot water is almost gone. What can I do to fix this?
2
votes
1answer
185 views

How can I identify my bathroom tub faucet pressure valve?

I am looking for a replacement trim valve kit and I am having trouble finding the right one that will fit my current pressure valve. It appears to me to be a model from American Standard. Click ...
2
votes
1answer
2k views

Can air in pipes cause a faucet to catastrophically fail?

For about two weeks, I have been hearing a vibration and loud noise very time I turn on the kitchen faucet, mostly on the hot water side. If I turn to cold water it stops but periodicly when running ...
2
votes
1answer
2k views

Why use a Thinner Water Pipe to Branch off From a Tee

Sorry if this question sound naive. Normally in water pipes, when we see another pipe branch off from a T-junction, that pipe is a thinner one. Say, a 3/4" pipe will branch off only a 1/2" pipe in a ...