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58
votes
9answers
88k 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
932 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 ...
8
votes
2answers
12k 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 ...
8
votes
2answers
213 views

How can I remove the residue that is building up in PEX tubing?

I have a pex plumbing system that has been slowly clogging / losing pressure. Our sulphur treatment system injects peroxide into the pressure tank then flows upstairs to the filter system. The ...
7
votes
6answers
32k 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 ...
7
votes
3answers
11k 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 ...
6
votes
4answers
11k 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 ...
6
votes
3answers
10k 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
24k 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
5answers
11k 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
1answer
2k 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 ...
6
votes
1answer
2k 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
3k 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 wrong....
5
votes
4answers
552 views

What pressure should I aim for when setting a pressure reducing valve?

Since the time I moved into my house, I've had problems with water hammer. More recently, I've had some faucets start to leak. I also noticed that after showers/baths, the hot water would surge when ...
5
votes
2answers
4k 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
4answers
9k 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
6answers
40k 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 ...
4
votes
3answers
32k 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
2k 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 ...
4
votes
2answers
3k 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
2answers
1k 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
2answers
122 views

Diagnosing low faucet flow: Single faucet

I just purchased my first house. The lady I purchased it from was afraid of a few things, two of them being hot water and fast flowing water. The water heater was easy to adjust, but I'm scratching my ...
4
votes
1answer
1k 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
1answer
711 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. ...
4
votes
1answer
84 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
1answer
105 views

Why did city utility work require me to modify my faucet aerator?

The city utilities came to my neighborhood this week to replace a few fire hydrants. They had to shut off water to my home during this work. When the work was done, one of the water fixtures in my ...
3
votes
3answers
6k views

How can I get my shower head to increase water pressure?

My mom has very thick hair and typical low flow shower heads take a very long time to rinse her hair. I decided that I would look online for some high flow shower heads and can't seem to find ...
3
votes
4answers
3k 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
2answers
253 views

Will installing a 2inch fitting in a 3 inch water line decrease water pressure?

We share a well with our neighborhood. The neighbors want to install a 2-inch meter on the 3-inch supply line, because the 2-inch meter is less expensive. I think it will decrease the water pressure....
3
votes
3answers
11k 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 ...
3
votes
3answers
1k 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 ...
3
votes
1answer
100 views

How to remove air from water supply line?

We live in a neighborhood where 20 of us all share a private well. Our water is very sputtery and also VERY fizzy when it comes out - lots of air coming out of it no matter where you are getting it ...
3
votes
2answers
164 views

Water pressure drops in well water home, stops completely for 5-10 minutes, then comes back full pressure

I have read through other similar posts and it doesn't quite match my problem, so bear with me lol. We had a massive leak under the house and our landlord called a plumber out to fix it. He turned ...
3
votes
1answer
755 views

Pressure problems with oil boiler

I've been having continued problems with the pressure in my home oil boiler rising to 30psi over time (and then leaking out the pressure relief valve). Technicians have examined it multiple times but ...
3
votes
1answer
2k 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
5answers
7k 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?...
3
votes
3answers
27k 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 ...
3
votes
3answers
21k 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?
3
votes
1answer
6k 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
1answer
29 views

What actions should be taken after water heater supply pipe damage?

Water pipe to water heater burst after 3,5 quake. Do we turn off the water heater and the water or just turn water heater to pilot?
3
votes
1answer
60 views

WIll electric pressure washer work with low water pressure?

I live in a 5th floor of a building that doesn't have strong water pressure. I remember that many years ago a cleaning group was going to pressure-wash the exterior of the building, but couldn't ...
3
votes
2answers
4k 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
882 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
5k 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
12k 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
5k 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
2k views

What could cause low hot water pressure only in the line to one shower?

In my house I have a water pressure issue: Pressure is fine everywhere except for the hot water supply to the second floor shower There is another shower in the basement that has good water pressure ...
3
votes
2answers
1k views

Pulsating water and banging noise from pipes when hot water is on in the faucet or shower in the bathroom

Things I have done: Replaced faucet, and its shut off valves Put new shower cartridge (OEM) Water is coming from the city supply, not well. This issue started happening for the past three weeks ...
3
votes
2answers
180 views

Problems with crossed hot & cold water lines on shower

My contractor installed a brand new Grohe universal rough-in box, and a Grohe universal pressure balance rough-in valve with diverter. Right after the rough-in box was installed, and before everything ...
3
votes
1answer
907 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 ...