For questions about the supply and removal of water and liquid waste.

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4
votes
2answers
5k views

Whats the difference between black, blue and red PEX pipes sleeves

I'm using PEX pipes for water tubing, but I'm not sure which sleeve type should I use for hot and cold water pipes. Whats the difference between black, blue and red sleeves? and which should I be ...
1
vote
1answer
154 views

How do I measure for a toilet rough-in?

Is my thinking correct - If I measure from the wall to the bolt cap of my current toilet, which is 12", that means I have a 12" rough-in.
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. ...
6
votes
3answers
12k views

How do I easily separate unglued PVC pipe from joints?

I've been retrofitting an existing PVC irrigation system around my house. Part of that work requires that I work in shallow holes adding T joints and elbows in places where there were none before. In ...
7
votes
3answers
122k 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 ...
1
vote
0answers
222 views

How can I repair my leaky toilet?

Apparently my original toilet valves were cheap because they both had problems and I replaced both with fluidmaster valves some years ago. Two problems were apparent immediately which I solved: ...
4
votes
1answer
2k views

How to drill and waterproof a hole in cinder block for PVC drain?

I have a new electric hybrid water heater that emits condensation from a drain tube (normal) which is a bit different than a traditional electric water heater. Right now I have a bucket under the ...
5
votes
2answers
2k views

Why does pressure relief valve state 'Not for Use with Water Heaters'?

So I replaced my 6.5 year old electric hot water (installed with house built in 06') heater and used an identical plumbing setup as my previous install. My previous (and now current) install has a 3/4"...
1
vote
1answer
4k views

How can I attach an under-sink water filtration system to the water line?

I recently bought an under-the-sink drinking water filter, a model from GE, and I got stuck trying to hook it up to the cold water line. The package came with a simple plastic tee that had a 1/2 inch ...
2
votes
0answers
98 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 ...
2
votes
2answers
7k views

How can I clear out limescale from inside a bath's pipes?

I have a bath which has accumulated limescale inside the piping system; it manifests itself as a very-slow running tap with a weak stream. The tap itself is removable, and I suspect the limescale is ...
2
votes
1answer
2k views

What can I do about a toilet drain pipe that is too high above the floor?

My toilet drain pipe protrudes about 1/3" above the floor, and makes the toilet wobbly. What can I do to fix this?
2
votes
0answers
3k views

What could cause my tankless water heater to make a knocking sound?

I recently replaced my water heater with a tankless unit (Rheem). After installation I noticed that whenever I turned on the hot water; or when my central heating unit would turn on, the tankless unit ...
4
votes
2answers
3k views

Do I need a vent on this emergency drain?

Code allows the use of a wet vent for the bathroom group which in my case is a sink, toilet, and shower drain. About 10-15 feet down stream of this group I have a washing machine drain with its own ...
0
votes
1answer
1k views

Why won't my toilet flush right? Did our plumbers not put something back right?

We've had issues in the past about having the sewage line get backed up. We just had the plumber here almost a week ago to replace the water line. Now our toilet won't flush right. It flushes all ...
1
vote
0answers
267 views

How to remove flex hose from a single-control, tall faucet?

I have a faucet that is leaking down the flex hose. The one flex hose unscrewed easily. The second is turning but not coming out. I assume the nut has become separated from the crimp on the hose. ...
0
votes
1answer
1k views

How do I unblock an interceptor chamber?

I have a house built in the UK in 1906, which has an Interceptor Chamber. Having identified it as such, I need to figure out how to unblock it. Water is currently backing up all the way to ground ...
3
votes
1answer
496 views

What kind of pipe insulation is appropriate for sun exposure?

I want to insulate a water line outdoors, where it will be exposed to sun. I expect that UV light will damage many foam pipe insulations over time. Is there a type of insulation that will tolerate ...
2
votes
0answers
2k views

What could be causing thumping in the wall when the bathroom shower, toilet, or sink are used?

I hear a thumping in the wall whenever the second floor bathroom shower, toilet, or sink are used (sound is similar to if you let the bottom of your fist fall against a sheetrock wall). It is 'almost' ...
6
votes
4answers
14k views

Is it wrong to connect multiple J-bends (traps) together?

My tenants recently told me that they have constant clogging problems with their bathroom sink and had me come take a look at it. I found the following 3-trap configuration: This was done because ...
4
votes
5answers
67k 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
1answer
8k views

How do I stop a leak in a refrigerator water line connection?

I have a copper water line going into my refrigerator. It's leaking at the connector line in the attached picture. It looks like the leak is not from the fridge, but from the connection line, right ...
5
votes
2answers
2k views

How do I make my bathroom pipes more practical?

I need to install a new vanity in my bathroom but I'm not sure what to do about the plumbing for under the sink. I believe the present location of the sink was originally where the bathtub was. The ...
0
votes
2answers
25k views

What could be causing a leaky p trap under my bathroom sink?

Recently, the bottom of our bathroom sink has started to leak just slightly. Little drips come out of the nuts. The leaking part seems to be more toward the end where the pipe meets the wall and the ...
1
vote
0answers
89 views

How/where should I put a water dispenser on this counter?

My friend's coffee shop has a hot water dispenser they use for drip coffee and tea. It's already filtered, and accessible to customers. It would be terribly convenient if we customers could get cold ...
3
votes
1answer
3k views

Is it possible that no water running to one toilet could be from frozen pipes?

We've been in a cold snap for about a week with daily highs below -20C. The water is not running to one toilet that is near an exterior wall. To ensure it wasn't something in the tank, I detached ...
3
votes
1answer
4k views

Is it normal for tap water to turn brown/blue when the pipes freeze?

In our old apartment, the pipes would freeze during the winter during the night, and in the morning sometimes the water that came out of the tap was blue at first. We spoke to a plumber, and he ...
1
vote
0answers
344 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 ...
1
vote
1answer
1k views

What could cause my radiators to go cold when the hot water is turned on?

When only heating is selected on my program timer the radiators all work fine and are hot. But when both heating and hot water are on the water gets hot but all the radiators go cold. When the hot ...
2
votes
1answer
918 views

How can I remove this toilet shutoff valve?

This valve has a slow leak, and I am trying to replace it. Problem is I can't get the thing off. I am trying to twist the compression nut (the bronze one closest to the white pipe) clockwise while ...
2
votes
2answers
2k views

Why do I run out of hot water after 5 min?

I have a gas water heater and recently found that I do not get more than 5min of hot water. Previously I would be able to take a half hour shower. I see no leaks around water heater. It also seems ...
17
votes
5answers
48k views

Why does the shower get cold when I flush, and how can I prevent it?

When the shower is running and someone flushes a toilet, why does the shower get cold (or sometimes hot) in some houses, but not others? More importantly, would fixing that require replacing the ...
2
votes
1answer
986 views

How can I replace a Delta 1400 shower valve cartridge?

I have a delta 1400 shower valve that I had to replace. The existing one was full of sediment. When I put everything back together water just comes out the tub spout as if the valve wasn't there. When ...
3
votes
1answer
163 views

How can I locate an odor emanating from the kitchen/laundry area?

I live in South Florida. My home is a one level, 2400-sq ft, u-shaped with bedrooms on one side and kitchen/laundry on the other side. I have a consistent odor but it's not constant. It comes and ...
1
vote
1answer
1k views

What is involved in fixing a break in a frost-free faucet?

I have an exterior frost-free faucet that has sprung a leak. You can see the hole on the bottom side of the copper pipe in the image below. I am trying to determine if this is a job I want to take on ...
3
votes
2answers
19k views

Is it safe to shut off cold water entering water heater?

I have a pretty bad situation at my place. I have a leaky shower faucet which has gone from drips to a steady stream. I calculated the flow at .3 gallons per minute. My very old home has no private ...
1
vote
1answer
636 views

What could cause bubbling in the downstairs toilet of an urban condo?

About 2 weeks ago, I noticed that the toilet would bubble and, eventually, the water would back up into the shower in the basement of my duplex down condo. What started out as about 12-15 minutes of ...
1
vote
1answer
2k views

Why won't my shower fully heat up?

I have a thermostatic shower, but I can only get it to be luke warm. The aquastat is set at 60, boiler at 165. The tap water in wash hand basin beside shower is very warm. I have taken the cover off ...
2
votes
1answer
6k views

Can I move a drain without moving the vent too?

I want to move the kitchen sink to the other side of the kitchen (approx. 10 feet away). Can I just extend the pipe and rely on the existing vent?
6
votes
4answers
7k views

Should I install an inline water heater for my bathroom?

It takes 3-4 minutes of the shower running before the hot water reaches my upstairs bathroom. I'd like to not have to waste all that water and time. My initial though was to install an inline water ...
3
votes
1answer
930 views

How can I stop veggie garbage from coming out of my basement storm drain?

I keep getting onion and tomato peels coming out of my basement storm drain after doing any sizable cooking and putting it through the garbage disposal. The kitchen is on the 1st floor, the drain is ...
1
vote
1answer
131 views

Where could this green residue that is clogging fixture screens be coming from?

I have a big problem with green residue clogging fixture screens. There has been no recent(for the last 2 years) plumbing work in the house so it is not flux/solder residue. I have two 50 gallon tanks ...
0
votes
0answers
1k views

Why is there no hot water in the kitchen?

I have hot water everywhere in the house but the kitchen sink. I have cold water but no hot. It will trickle in the middle but still cold. Does that mean its frozen or is there something else to check?...
2
votes
2answers
208 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
2answers
485 views

What is the function of a check valve on the inlet of a household macerator pump?

Macerators sometimes require check valves on the inlet for shower waste. I'm thinking the low rate of flow from a shower might not be enough to trigger macerators activated by air switches, so the ...
0
votes
2answers
2k views

How do I install a water line for a refrigerator in a galley kitchen?

My sink is on one side of my galley kitchen and the fridge is on the other. The living room doorway is between the water line to the sink and the fridge. The house sits on a slab so there is no ...
5
votes
1answer
20k views

How do I cap off an unused refrigerator water line?

I am installing a new refrigerator. The new one doesn't have an ice maker in it and the old one did. I need to turn off the water, and when I do it will shut off all of my water. This is a rental ...
1
vote
1answer
454 views

What could cause my water heater to pulsate during cold water usage?

I have a well and a pressure tank. I lost water pressure last night and thought everything was frozen but it wasn't, however, the regulator was not engaged. I engaged the pressure regulator and the ...
0
votes
1answer
83 views

how can i fix my bath tub

When I turn the water on to take a bath the water don't run it just drips and takes hours to fill the tub or I have to add pots of water is there a way for this to be fixed or do I have to call a ...
8
votes
4answers
10k views

Why is the first shower of the day is colder than the second?

Description Since I've moved into this house, I've noticed that the first shower of the day is colder than the any subsequent shower. More specifically, if no hot water has been used for a while, ...