Questions tagged [valve]

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Boiler Valve Corrosion

I have a hydronic heating system in my house, and I noticed a valve on a pressure gauge on the side of the boiler is extremely corroded (see 3 pictures below). 1) Is there any purpose for this valve ...
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1answer
51 views

Shut off cold water supply valve on the heater, now can't turn it on

The valve just spins freely. What could be the problem? I'm getting cold water pressure just fine but only an extremely weak flow of hot water. Tried different fixtures. I don't know why this happened....
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1answer
28 views

Need help with water valve/cartridge removal

Trying to replace hot water leaking cartridge and having problems removing old one out. I was able to unscrew the top part but insides stuck and won't come out easily. I've tried to force it but ...
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1answer
27 views

My gas water heater's T&P relief valve is leaking. Can I safely close the heater's supply valve & leave the gas on?

My gas water heater's pressure relief valve isn't sealing and releases ~3 gallons of water per hour outside the house. I'd like to shut the heater's water feed line OFF until I can buy and install a ...
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1answer
26 views

Needle valve connection to plastic tubing

I tried to connect the needle valve to plastic tubing, but the tube slides out if I pull on it. More over the metal no longer fits over the tube because it has already been tightened. Since one side ...
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33 views

How to fix air valve in apartment

There is an air valve in my pre-war apartment that from time to time will blow air out really loudly. Sometimes the air is hot, sometimes it is cool, but it gets really loud, and has been interrupting ...
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1answer
45 views

is the 24v transformer output ~27v normal?

i found my carrier 58pha090-016 furnace had no flame with the igniter on, and exhaust fan running, etc. it kept trying 3 times then stop. i reset the power switch of the whole system, the same cycle ...
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1answer
63 views

Need to replace water shut off valve in house but city can't find water main shut off in the yard

The city water main shut off is in the front yard of our 1960s home that we've lived in for 15 years. A few decades ago, the previous owners filled in that part of the yard with a lot of fill to level ...
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1answer
43 views

Cold water tank overflowing like crazy then stopped

so I have a normal non combi boiler and in my loft a cold water tank, then in my airing cupboard I have a hot water tank with an overflow/pressure release pipe that runs up and to the cold water tank ...
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2answers
53 views

Water shutoff valve for refrigerator

We need a shutoff valve for our refrigerator. We live in California. We have a copper water line to the fridge. My questions are: The line kit included a small brass shut off valve. The installer ...
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53 views

Are these simple water shut-off valves reversible?

I bought a valve for which the seller has posted a picture that shows that the male side of the valve goes into shower hose and the female side of the valve goes into shower handle: However, I am ...
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48 views

What kind of shower valve is this

I've got a lot of rust coming out when I run the shower or fill the tub. I've taken the valve apart as far as I feel comfortable taking it. Can someone help identify what type of valve this is? (See ...
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2answers
49 views

Is purchasing a valve necessary when shopping for a bathroom faucet?

A product page for a bathroom sink states a "rough in valve" must be purchased separately for the purpose of installation. I wasn't sure if I really needed that because I am just going to replace my ...
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1answer
21 views

What valve should I use for water control flow after upgrading to thermostatic valve?

I had leaking valve assembly for a beauty salon's hair washing station. It had a handle that allowed to independently control temperature and pressure. It looked like this: And, to save water and for ...
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10 views

Service valve attachment for a Bosch tankless water heater

Has anyone installed a service valve for a Bosch Greentherm tankless water heater? In-line 3/4" service valves are available on the internet but this unit has built-in valves at the bottom. They ...
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4answers
107 views

Is there such thing as automatic hot cold water mixing valve?

We have a shower that is being used multiple times throughout the day. For each use the target temperature is always ~30C. Unfortunately, the water in hot water pipe tends to cool down if someone was ...
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2answers
47 views

How to loosen nut without damaging toilet shutoff

I replaced the fill valve on a toilet and the connection stem on the replacement sticks out much farther than the original. The toilet was installed 12 years ago using a solid supply line, so I need ...
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1answer
45 views

Repair Leaky Shutoff Valve

The main water shut-off valve coming into my home leaks when it is closed (water turned off to the house). Is there a way to repair this kind of valve without replacing it?
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1answer
44 views

how do I replace a single union pressure reducing valve?

I see a 115 PSI water pressure at my home. Looks like my PRV is hosed. I am a complete newbie in plumbing, please take a look at the pictures and help me understand what I need to replace the PRV. So ...
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1answer
32 views

Installing new Moen valve not working

I am remodeling my bathroom and the "tile guy" removed my shower parts. The old Moen valve was still retained. I put everything back in using new Moen shower kit https://www.amazon.com/gp/product/...
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36 views

Shower valve identification

I am trying to buy replacement handles for an old shower. It’s a 3-handle with 4 spline hot/cold and a 17 spline diverter. I’m a bit in over my head here (no bathing puns intended) and I don’t know ...
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1answer
44 views

Replacement Parts for In-Ground Grill

I need a new grill, and I'm going to try to get this in-ground grill up and running. This is a natural gas line that's run from the house. It's been unused in the seven years that we've been in the ...
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1answer
58 views

Is this natural gas shut off valve behaving correctly?

The natural gas shut off valve in the picture below is installed behind my oven. Usually when I see a valve like this, if I turn it 90 degrees, it will turn until it stops. When it stops 90 degrees ...
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24 views

identifying shower faucet assembly and advice on repair or replacement

The photos of the shower valve don't show any logo or identification. I "think" it's a Moen but am not sure. It's over 15 years old and dribbles. My question(s) are: Can you identify it, and any ...
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1answer
50 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
155 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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2answers
49 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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2answers
124 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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1answer
16 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 ...
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3answers
46 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 ...
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2answers
19 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 ...
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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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29 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
38 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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2answers
384 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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3answers
136 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
233 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
80 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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31 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 ...
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1answer
97 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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30 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
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1answer
124 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 ...
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1answer
60 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 ...
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0answers
28 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 ...
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2answers
471 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 ...
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1answer
403 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 ...
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2answers
93 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?
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2answers
128 views

Can this valve be removed?

Where would wrenches go? Does it need to be cut?
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24 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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44 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 ...