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7
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4answers
16k 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 ...
0
votes
0answers
61 views

Why don't I get water presure in my shower unless my bathroom sink is on?

A few weeks ago our water froze and we had some pipe problems. We got them fixed, but now there is no pressure in the shower except when the bathroom sink is on. Why is this? What can I do to fix it? ...
1
vote
1answer
169 views

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

So 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 ...
4
votes
2answers
1k 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 ...
0
votes
2answers
340 views

Should I replace my Pressure Reducing Valve?

A few weeks ago, my oil-fired water boiler started continuously leaking water out of the pressure release valve on the top of the unit. I know this is leaking steadily because it drains into a 5gal ...
0
votes
0answers
2k views

Why is there no water pressure after turning main off then back on?

Came home after work to a water leak, a coupling had corroded and come apart on the hot water line. Turned water main off and repaired the leak but when I turned the water back on I had no hot or ...
0
votes
0answers
116 views

Can I reduce cold water inlet flow to combi boiler?

I have an ideal min c28 combi boiler. The problem is that with the shower fully on the temperature never gets hot enough for my wife, and, worse still, it can fluctuate between boiling and cold. I ...
1
vote
1answer
368 views

Water pressure low after hose was left on overnight

The water pressure inside my house went way down and stayed down after the hose was left on overnight. It's been a while now and the water pressure is still low (useable but low). The air pressure ...
2
votes
1answer
871 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
3answers
7k 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 ...
4
votes
1answer
256 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 ...
0
votes
0answers
254 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 ...
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 ...
5
votes
1answer
617 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 ...
0
votes
1answer
2k views

How can I replace this water pressure reducing valve?

Some of my taps were dripping slightly and it was recommended that I test the water pressure. After a few tests the pressure is 140 PSI in the house, which I understand is extremely high and I have ...
7
votes
2answers
5k 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 ...
1
vote
1answer
230 views

Why do I have almost no water pressure after installing a new kitchen faucet?

I installed a Price Pfister 533 single control kitchen faucet today, and for whatever reason my water pressure is next to nothing. It was perfectly fine before. What is wrong and how do I fix it?
2
votes
1answer
368 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?
4
votes
2answers
622 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 ...
3
votes
1answer
536 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 ...
50
votes
9answers
43k 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?
2
votes
1answer
197 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 ...
6
votes
2answers
10k 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 ...
4
votes
1answer
74 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 ...
1
vote
0answers
119 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 ...
1
vote
0answers
78 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 ...
4
votes
3answers
3k 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, ...
0
votes
3answers
2k views

Why is the water pressure so high from my overhead water tank?

We have recently rented a house and it has normal taps fitte, and a normal overhead water tank, but the water pressure is very high. The water comes out with so much pressure, that if I am trying to ...
3
votes
1answer
493 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. ...
1
vote
1answer
480 views

How can house hot water pressure be kept stable if more than one hot tap is open?

We have a Vaillant Ecotec combi boiler in the loft. When showering, hot water pressure is fine. But if someone opens any other hot tap in the house, it massively reduces the hot water coming into the ...
1
vote
0answers
420 views

If I use (2) 3/4“ inlet PEX manifolds (hot/cold), do I need 1” PEX supply from the meter?

I am replacing all the plumbing in my house and to the meter. I will be using PEX. I have manifolds for hot and cold with 3/4" inlets and 1/2" outlets at the valves. Do I need to use 1" PEX tubing ...
0
votes
2answers
519 views

How do I get even water pressure from a bathtub mixer faucet?

I just bought my house and noticed there is a problem in the bathroom tub faucet and that is: the valve starts from the cold toward hot and as it goes toward the hot the water pressure increases and ...
0
votes
0answers
292 views

Why does the water pressure in my boiler go up so high?

The problem I have is with the pressure dial on the tank in bathroom. I was told that both needles should be at about 1.5, but the red needle rises up and then we have madly banging pipes, and ...
0
votes
1answer
279 views

Low water pressure in house

My inside water pressure is very low. My outside pressure is good. I did disconnect an old water softener and just connected the input and output pipes from the softener together. I would like to ...
2
votes
0answers
86 views

Where could the air in the water system be coming from?

We live on the top two floors of a small brownstone walkup. To get the heating to work upstairs I need to bleed the baseboard heater almost every other day. All faucets in the house sputter, and the ...
1
vote
1answer
268 views

What could be causing this drop in water pressure?

I have a deep drilled well with supply lines split to feed the house and livestock watering respectively. The flow to the livestock line remains constant regardless of water usage in the house. But ...
2
votes
2answers
4k 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 ...
3
votes
3answers
2k 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 ...
2
votes
1answer
188 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
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 ...
3
votes
1answer
1k 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 ...
2
votes
1answer
5k 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
7k 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 ...
1
vote
3answers
9k views
2
votes
1answer
198 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 ...
1
vote
2answers
547 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 ...
2
votes
1answer
3k 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 ...
3
votes
2answers
3k 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 ...
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
5k 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 ...