1
vote
2answers
99 views

Is it acceptable to not have access to the main water shutoff valve?

I recently learned that our 1970s townhouse doesn't have its own main water shutoff. Instead, two contractors have access to a room with a water shutoff for the building (about a dozen units). My ...
15
votes
3answers
2k views

Are “1/4 turn” water supply valves more reliable than “multi-turn” valves? Or vice-versa?

Aside from personal preference, is there any reason why I would want to buy a "1/4 turn" water supply valve instead of "multi-turn valves"? Is one technology/design clearly superior than the other in ...
1
vote
2answers
319 views

Do brass ball valves have to be oriented with the flow of water?

I bought this brass ball valve from Home Depot and installed it in the orientation of what I would consider "backwards". I'm not sure if it actually matters and before I close up the wall I would like ...
2
votes
1answer
88 views

How can I mount K-728 diverter valve without any clearance behind it?

I have a 2x4 wall which doesn't allow for much room (maybe 1/4") behind the diverter valve. I do not want to extend the wall outward into the shower as that would be a headache. How can I secure the ...
1
vote
1answer
140 views

What is the purpose of this piece of a toilet fill valve?

I was replacing a toilet fill valve last night, and after it was all done, I noticed the following item sitting in the basin I had placed underneath: It looks unused, so I'm assuming it fell out of ...
0
votes
1answer
75 views

Was my pressure release valve installed backwards?

I realise that this may well be beyond the scope of an SE site, but I'll give it a go nonetheless. We've recently had a leaky pressure release valve on our Megaflo hot water tank. We have no boiler ...
4
votes
3answers
1k views

Why does cold water always mix in bathtub mixing valve, even on hottest setting?

I have a single-handle (rotates 270 degrees) faucet in my tub/shower. I've noticed that it is always mixing in cold water, even when turned all the way to hot. I can prove this by holding the cold ...
0
votes
0answers
875 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
1answer
182 views

Air admittance valves on waste pipe with extraction

Just move into a new apartment which is on the upper floor of three. The bathrooms of each apartment are directly above one another. I believe that the exhaust vents of the bathrooms in the apartments ...
0
votes
2answers
199 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 ...
1
vote
1answer
131 views

How do I remove my tub diverter?

I replaced my cold and hot water valves a while back and now it seems like it's time to replace the diverter. When running the water to the tub, some water comes out of the shower head. I've tried to ...
1
vote
0answers
258 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
votes
1answer
994 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 ...
0
votes
1answer
967 views

How can I remove a temperature and pressure relief valve that seems to be stuck?

I have a hot water heater relief valve that is leaking heavily. The water heater manual states I should replace the valve (which is OK by me). Unfortunately, I am not able to remove the valve as it ...
5
votes
2answers
967 views

What is this pipe called, and how does it work?

I recently saw a plumbing setup where a 2" pipe was run from a bend in the 4" toilet return. The 2" pipe bent upwards to meet the floor next to the toilet, where it was capped off with a removable ...
5
votes
4answers
3k views

How do I get these toilet shut off valve out?

As title says I am trying to figure out how to remove the old shut off valve from the pipe. I've been watching lot of videos, reading up on articles and all seem to deal with compression fit type but ...
3
votes
2answers
1k views

Why isn't there hot water in the shower, when there is hot water in the rest of the condo?

I moved into a condo two days ago, and found that while the rest of the plumbing in the house has hot water, the shower when turned to hot just has a cool trickle emanating from the tap. The cold ...
2
votes
1answer
7k views

Why is my main water supply shut off valve leaking even while closed?

While prepping to install a new kitchen faucet, I went to shut off the water supply to the house since there were no valves under the sink. I mistakenly chose to turn the city-side (gate valve) supply ...
3
votes
2answers
686 views

Is it worth replacing globe valve with ball valve for my main shutoff?

I live in a small two story house (row home) with water service entering through the basement. The bathroom is on the second floor. Whoever did the main service line used 1/2 inch copper instead of ...
3
votes
2answers
1k views

What causes hammering from a new diverter when other faucets are quickly turned on and off?

We're doing a minor remodel of our master bathroom, and I have replaced the 30+ year old diverter and nearby pipe with a new one from Delta. Now when any faucet in the house is turned on and off ...
6
votes
3answers
24k views

What causes a water heaters relief valve to discharge water?

I have a Gas Reliance Water Heater 1212. I found recently (in winter) there is a water dip through the relief valve into a 5 gallon bucket. Sometimes, it can fill the whole bucket. Sometimes, it has ...
3
votes
4answers
13k 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 ...
2
votes
2answers
144 views

What kind of valve is this and how do I disconnect it?

So, I have a leaky faucet. I am in the process of disconnecting everything so that I can take the faucet out and inspect what's going on with the leaky faucet. However, when disconnecting the faucet, ...
2
votes
1answer
188 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 ...
4
votes
1answer
534 views

How do I turn off this sprinkler valve?

We just purchased our home this summer, so I've never gone through the process of turning off the sprinklers for the winter (we're in Utah, so hard freezes are possible). The stop-and-waste valve is ...
1
vote
3answers
7k views

How can I repair a slow drip at the main water shutoff valve?

I noticed a slow drip and wondering if solution is to turn the nut clockwise to solve. I normally would give it a go but since this is the main water shutoff I figured it'd be smart to get some ...
3
votes
2answers
546 views

Which parts of a Moentrol transfer valve need to be exposed?

I am going to be finishing the shower wall over a new Moentrol transfer valve (3320) This obviously requires penetrations for the two control levers, but it also has three of what appear to be ...
3
votes
2answers
699 views

How can I add an ice maker water line?

I have the following setup with a T with a valve to an above sink water filter. The line from the T has one steel braided 3/8” line and goes up to the sink as 3/8”. The other is a thin PVC line ...
4
votes
3answers
294 views

How can I make these bath valves easier to use?

I'm looking for a way to make the valves in the pictures below easier for my mother to use. She has a bad case of arthritis in here hands, so this was suggested by a nurse. I would really prefer any ...
5
votes
3answers
5k views

The main water valve won't open fully after I closed it. How do I shut off the water to replace it?

Basically the title says it all. I turned the water for the house off to replace some leaking washing machine shutoff valves, and install stop-cock valves for a laundry sink. When I tried to turn ...
3
votes
3answers
1k views

How can I remove this valve?

I am trying to replace the valve connecting the water line to the sink in my bathroom. The piping and sink were installed in 1975. I'm stuck trying to remove the valve under the sink (see picture ...
2
votes
2answers
2k 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?)
4
votes
3answers
9k views

Stuck, leaking water shutoff valve to toilet

The problem... I recently replaced the fill valve and the flapper in one of the toilets in my house. When I turned the water back on using the shutoff valve below the toilet, a slow drip had ...
2
votes
1answer
582 views

How to turn on a ballofix / ball valve?

When I turned the valve off, it was as if it made a small click, as if it had reached a locking position. Now I can't turn it on again. I have one other just like this one, and that one can I turn ...
5
votes
1answer
944 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 ...
2
votes
1answer
346 views

Help identifying thermostatic mixer (shower temperature control)

I have the following valve in my shower. I thought it was a Grohe, but after contacting their support - it seems it is not. There is something wrong with the valve, not letting us decrease the ...
8
votes
3answers
5k 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 ...
1
vote
1answer
558 views

Shower gets colder during use, already replaced cartridge, what else could it be?

Recently purchased a house built in 2006. The shower gets colder as time passes and requires constant adjustment of the valve in order to maintain temperature. I replaced the cartridge in the valve ...
3
votes
1answer
5k views

Why won't my toilet's water valve not turn off?

I need to replace my wax ring on my toilet. To do that I need to turn the water off that fills the tank. When I go to the valve that is by/under the toilet it will turn a bit more than a quarter ...
5
votes
5answers
3k views

How to fix a leaky flapper valve?

I bought a house that had been sitting for some time. One of the the issues that I've discovered is that the flapper valve leaks. I've come to this conclusion by turning off the water to the tank ...
3
votes
1answer
6k views

How do I fix a shutoff valve that isn't opening?

My dishwasher started leaking over the weekend. I turned off the water at the shutoff in the basement, it's a standard faucet type in the copper piping. I then replaced the rubber heater hose used ...