Questions tagged [valve]

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1answer
38 views

How does a diaphragm type bathroom fill valve stops water flow?

I'd would like to understand how this kind of fill valve does work: (Source) In this mechanism, the float (ballcock?) pushes on the indicated lever which in turn pushes the diaphragm to block the ...
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2answers
71 views

Delay between toilet flushing and filling

Suddenly the cistern is only filling after a delay from 2 to 10 seconds whereas it was immediate some days ago. I didn't touch anything and I'm sure noone entered my flat. Not sure if it is a problem ...
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2answers
123 views

What kind of a valve is this?

I need to turn off the water supply to this washing machine. What kind of a valve is this? How do I operate it? Furthermore, why are there three rubber wires that leave the hot and cold water pipes? ...
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1answer
27 views

water valve to toilet will not shut off and the water is running more and more even when off

my toilet was being fix because one of my kids break it. the water valve was turn off but was leaking a lil bit then around 10:30 last night it sounding like my washer was being fill but it was coming ...
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1answer
12 views

toilet basin rattling valve

our toilet water basin valve makes a terrible rattling noise when filling up with water. It's the left side tube making that. Any idea about possible solutions beyond calling a plumber and replacing ...
2
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3answers
9k views

Is it possible to control water pressure using a ball valve?

I have too high water pressure (120 psi) on the main line. If we assume the water pressure on is constant, then is it possible to reduce it by reducing the flow using a ball valve? The reason I'd ...
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3answers
36 views

Replacing toilet supply line and valve

I'm trying to replace the supply line and valve for my toilet but am having a hard time removing the coupling nut. I tried grabbing the fill valve and using a plier to remove the coupling nut but the ...
0
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1answer
183 views

Shower Tub Valve leaking from behind cartridge

I have a Delta shower/tub valve which controls water flow to our tub (with a diverter that can be switched to shower). There is a slow leak from the tub faucet which I am trying to repair. This ...
1
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2answers
16 views

Inlet valve to share between faucet and dishwasher

I just realized that my hot water 1/2" copper inlet in the kitchen is terminated with a regular single oulet valve but I do need to share it between the faucet and the adjacent dishwasher. Is there a ...
2
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1answer
28 views

How to choose a valve to use when plumbing a huge valve handle to my hose station

I am building a hose station in my backyard. For fun, I would like to use a huge vintage valve handle to operate the water coming out of a normal 3/4" hose. Obviously I can't connect anything like ...
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0answers
26 views

New washing machine inlet valve (the one in the machine, not one on the wall pipe) sounds like it periodically leaks water inside, does it need a fix?

So I have bought a front loading LG washing machine and I sometimes notice a hum noise starts and it seems like water flows through the hose into the washing machine, but not always just from time to ...
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0answers
25 views

Irrigation system: Backflow Preventer -> Master Valve vs Master Valve -> Backflow Preventer

I am in the process of designing my irrigation system, and I saw many people install the backflow preventer (reduced pressure zone device) first and then connect to an automatic master valve. However,...
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1answer
631 views

Identify this shower diverter valve

My shower diverter valve has gotten all gunked up due to the very high mineral content of our water, to the point where it won't turn unless you put all your weight into it, and I'm trying to fix it ...
0
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1answer
51 views

Are anti-limescale (anti-cal) shut-off valves just a marketing stunt?

I have found anti-lime (anti-cal) valves, they were ball valves with a plastic ball inside instead of the usual brass/chrome. Is it a marketing trick or is the plastic ball inside better in any way ...
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1answer
93 views

Shower hot water valve still “leaking” after replacement of washers

Thank you beforehand for the help. Issue we are experiencing is that we have a bathtub hot water valve that has started to leak again after replacing the washers about a month ago. Mind you this ...
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2answers
1k views

shower water either hot or cold; not mixing; valve/ cartridge/ plumbing?

In my rental unit, the shower [no tub, just shower] faucet is completely goofed up. It's a 1 handle faucet. The hot and cold water don't mix. If it was a clock, 'off' is 12:00. Turn counter ...
1
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1answer
42 views

What is too high of a pressure for irrigation systems

I purchased a home four years ago where the owner installed an irrigation system. I noticed the valves were leaking then and replaced four of eight. I figured they were old, and wear and tear took it'...
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2answers
780 views

Mystery valve on hot water line from water heater

I have a 1/2" od PVC outside my home with a steady drip of water. It is a few inches above the line that runs to the TPR valve on the water heater (confirmed by opening the valve). It's not the AC ...
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2answers
100 views

What caused my toilet's flapper valve to become spongy and disintegrate (see pictures)?

I just had the flapper valve fail one of my home's toilets. The rubber had become spongy, sticky, and was beginning to disintegrate. It's so soft now that it rubs off with the slightest touch. The ...
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1answer
109 views

Is there a pressure activated water valve

I would like to buy a pressure activated water valve (for irrigation), so that when the water pressure is above P1, the valve will turn on, and when water pressure drops below P2, the valve will shut ...
3
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4answers
11k views

How can I fix a shower faucet valve where hot and cold suddenly reversed?

We have one of those faucets with one handle which first goes to cold and then progresses to hot as you go further from off. Or, at least, it used to be that way. We went on vacation, had someone ...
0
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1answer
275 views

how to fix leaking shut off valve

I have a water shutoff valve that has one end into a plastic pipe that is coming from mains and another end is going into the faucet. There was never a leakage from this until recently when I had to ...
1
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2answers
151 views

Quarter turn bathroom tap: Valve removal

I am dealing with a bathroom tap and wanting to replace the quarter turn tap valve as the tap is leaking. Here is the tap (I cannot find any brand details) Here is a close up of the cold tap: I can ...
5
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3answers
112 views

Can this valve be used for water?

A water valve cracked today at my house and had to call a plumber. He replaced it with a gas valve (yellow handle). He said he uses gas valves because they are better quality. What he installed looks ...
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1answer
113 views

Should there be any moisture around a shower valve?

I just had a plumber install a new shower valve in a remodel and when I run my finger around the back of the ring on the front of the valve, I feel a little bit of moisture. It's a large walk in ...
3
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2answers
14k views

How do I remove this shower stem valve?

I don't see how to remove this stem valve. It fits into this brass pipe which is not a collar--it is entirely round, and I tackled it with channel lock pliers and quite a bit of force, and it did not ...
2
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1answer
85 views

Help identifying shower valve and cartridge

I can not find a manufacturer name anywhere. Here's a picture of the valve and the exploded ceramic cartridge and other pieces. Thank you very much in advance.
1
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1answer
59 views

What tool is used to tighten a short pipe nipple?

What tool is used to tighten a short 1/2” x 1 1/2” nipple that screws into a shower valve behind the wall? Well a nipple extractor work if you turn it in the opposite direction (clockwise )?
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2answers
74 views

Did a pressure spike cause this valve body to crack in half?

So I'm down in the basement last night and hear water running. Turns out I've got water spraying out from a pipe located above the water heater. The water was jetting out from a valve I installed 4 ...
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0answers
29 views

Where are the Interior water valves for my outdoor hose bibs?

I live in a condo in Northeast Ohio. No basement, small patio with outside hose bibs. Interior wall has corner gas fireplace. I and two plumbers have searched everywhere for the interior valves to ...
3
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4answers
14k views

Do pressure reducing valves also function as check/one-way valves?

If installing a pressure reducing valve, is there any sense in installing a one-way check valve in series, or would it be redundant? (i.e. does the PRV also act as a one-way valve?)
6
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8answers
159k views

How do I pressure test a natural gas line and what do the valve pressure ratings mean?

I'm planning to add an appliance to my house, and will want to do a pressure test of the newly installed gas lines. My main shutoff says 175 PSI, but most of the appliance valves say either 1/2 or 5 ...
1
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1answer
64 views

Why is my dishwasher drain pump constantly running?

We have a late 1960's Kitchenaid Superba (by Hobart) dishwasher. Problem: the drain operates continuously, so the dishwasher can never fill with water. (The water comes in, but it's immediately ...
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2answers
72 views

Can this valve be removed?

Where would wrenches go? Does it need to be cut?
8
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4answers
17k views

Handheld showerhead backflow preventer

Every year my rental house is inspected by the city. Last time the inspector told me to add a backflow preventer (one-way check valve) to the handheld showerhead in the bathroom. The showerhead is ...
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0answers
28 views

Remove shower faucet face plate

How do I remove the face plate on my shower faucet? There is a lip I cannot get over without damaging it. Thanks
0
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1answer
46 views

Shut off valve turned on - no water flow

My faucet drain stop needed fixing, I went below the sink, shut off the valves. After turning the shut off valves back on, no water flows through the faucet. Both hot and cold worked fine before ...
1
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1answer
58 views

How do I use this valve properly?

I have a valve in my heating system that I don't understand. I have searched on the internet but I haven't been able to find any information on it. What I do know is that the valve's purpose is that ...
0
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0answers
26 views

Is it possible to get high flow shower mixing valves in the United States?

I have to source a mixing valve for a shower that is being built. It will probably have a shower head that is at least 3 GPM. The problem is that as I understand it, most mixing valves on the market ...
0
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2answers
234 views

Pressure Reducing Valve at water meter--need some assistance--how install, what parts, tools. Newbie

How to put in PRV Valve 12 foot after home water meter. Thanks for your kind help. I may end up hiring a plumber but for $600 that 2 neighbors spent, I wonder if this is something I can do myself or ...
1
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1answer
181 views

Tankless water heater plumbing: neutralized condensate and pressure relief valve

Hello recently my old 50gal gas water heater developed a crack and started leaking. I replaced it with a tank-less gas heater. Everything is good, I installed the proper intake an exhaust with 3in ...
0
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2answers
90 views

Can I turn the water off at the street to work on my plumbing?

My angle valves under sink are hard to reach with garbage disposal in the way. Can I turn the water off at the street to change parts in faucet, or will this drain my gas hot water tank?
3
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4answers
35k views

How do I remove this stuck faucet valve cartridge?

It's still in the casing, as I didn't want to remove the whole faucet. I tried lots of WD-40 and trying to tighten a little and then loosen. Someone told me to use a hair-dryer on it to heat it up a ...
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0answers
19 views

Backup manual mixing valve to a digital thermostatic valve?

Is it possible, and if so has anyone actually plumbed a manual mixing valve as a backup to a digital thermostatic valve (e.g Moen U)? I have read about the battery backup option but thought about ...
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0answers
33 views

Single handle faucet problems

We have a single handle faucet in our kitchen sink, it started having issues where the water flow would sometimes be fine, sometimes non at all, or somewhere in between, at random, but almost never ...
0
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1answer
22 views

1/2“ OD Compression to 1/2” barb fitting?

I have a 1/2" copper pipe which has a 1/2" nom compression x 1/2" OD compression stop on it. I'd like to be able to put a 1/2" barb fitting to connect this to a hose. I can't find anything which ...
1
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1answer
26 views

How can I ensure an angle valve points in the direction I want it to? [duplicate]

This may sound silly but after a few home improvement projects involving minor plumbing tasks (like changing faucets) this has always bothered me. I'm going to talk about the specific example of an ...
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0answers
26 views

Why does a tub spout leak

Why does a tub spout leak. Brand new combo shower tub valve and tub spout. Will slowly leak over a few days before completely dries out, about a tablespoon. The plumber came back and replaced the ...
0
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1answer
31 views

Small leak in bathtub valve stem (hot)

I replaced the valve stems in my bathtub yesterday. When screwing in both the cold and diverter stems, they slowly got tighter and tighter as I went (as expected). However, with the hot stem there ...
2
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1answer
16 views

Knob/handle to turn shower diverter valve

Handle for diverter valve. The plastic has split and will no longer turn the spindle which is 5 mm in diameter with a flat. The handle/ knob does not need to look like this one. I just want to be able ...