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

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1answer
25 views
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4answers
7k views

How do you drain a garbage disposal?

I have a garage disposal installed in my kitchen double sink. The pipe that comes out of the garbage disposal is horizontal to the main vertical pipe before it goes to the p trap. The t joint is ...
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1answer
295 views

How vent bathtub trap when drain is routed under tub, directly away from best vent location?

I am … very slowly … thinking about replacing the probably circa 1950's galvanized steel drain pipes in my basement with PVC. In particular, I would like to replace the drain line under ...
3
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2answers
39 views

Lath and Plaster Framing: a Floating 2x4?

I'm putting a bathroom in upstairs. I sistered the joists (red arrows), but there is a 2x4 (blue arrow) laying flat directly above a wall that is between the downstairs office and the dinning room. ...
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2answers
21 views

What is the best way to cut this PVC line in a hot tub?

I am helping a buddy replace a filter housing, on which the lid threads have split off, in a hot tub. All of the piping is PVC. The inlet and outlet have fitting right up to the junction of the ...
6
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1answer
7k views

How can I lengthen my vent stack and are there any negative effects in doing so?

I have observed that when we receive a lot of snow here in Ontario, at least one of the drain vents on my roof is covered by snow. While after one winter in the house I have not yet observed any ...
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2answers
8k views

Does a plumbing vent need to penetrate the roof? (Can it penetrate a wall?)

We're going to move our washer/dryer to the garage (the front loader needs to sit on concrete to keep it from shaking our house to the ground). I'll need to add a washer drain to the garage for the ...
1
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1answer
48 views

Pre-made rain cap for plumbing vent? (Preventing rust-through of galvanized pipe in the walls)

Are pre-made rain caps made for plumbing waste vents? My house was built 1938 with galvanized DWV pipes which have a series of elbows before reaching the roof. All such elbows retain a certain amount ...
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0answers
23 views

Can I build a separate trap to drain my reverse osmosis system

I have a single sink with disposal on an island counter. The plumbing has two vent plugs and two drain connections. Can I use the second drain connection and build a second trap to install the reverse ...
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1answer
34 views

Are the resin beads inside old water softeners flammable?

Our old water softener just broke and released all the resin beads into our hot water heater. I've been draining it but a significant amount of beads went into the drain pan under the hot water ...
2
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2answers
173 views

How can I support an already installed shower valve?

My shower valve was poorly installed. The pipes and valve were never secured or clamped to the surrounding framing. The valve rattles around in the wall and the cover plate has about a 1/2" gap ...
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3answers
44 views

What steps are needed before brazing attic a/c copper tubing with a leak?

Yesterday I discovered water stains on one of the air ducts in my house. I went up the attic and saw that a copper pipe cool to the touch which seems to be linked to the condenser? had a pin point ...
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0answers
12 views

Water leak from shower

I have a 2 handle shower. There is no water leak if I run the hot water alone. No leak when I run cold water alone. When I open both hot and cold water together, there is a water leak. Any thoughts? ...
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6answers
26k views

How can I fix a Moen faucet that is still leaking after replacing cartridge?

I had a leaky Moen faucet (Moen 4600) so I removed the old cartridge and replaced it with a new brass replacement cartridge (model 1200.) Since replacing the cartridge I now have a leak from the valve ...
1
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1answer
119 views

How to determine if a Water Pressure Reducing Valve (PRV) is working properly

I've been trying to track down water pressure/flow issues throughout the plumbing in my entire house, but haven't found anything which made any significant difference. For example, I discovered that ...
0
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1answer
92 views

Can somebody identify this Moentrol valve?

I want to replace the cartridge for this valve because pulling the handle to turn on the water has become more and more difficult. I would like to figure out what cartridge I need to buy for this. ...
2
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1answer
102 views

Electric water heater overheating very quickly

We have an electric water heat that recently started heating the water to about boiling. We heard a loud pop one night, not sure if that has anything to do with it. So far we just replaced the ...
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2answers
31 views

Water seeping through where pipe exits slab foundation

OK, the backstory can be found in this previous questions: Repairing leaking DWV vertical 3" thin wall PVC. Basically, found mold growth behind baseboards of a powder bathroom adjoining the kitchen. ...
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1answer
54 views

Problem with new Rain Shower

Just replaced mixing valve and installed new rain head with hand held shower. Now I have a constant cold water leak.
1
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1answer
484 views

How can I repair this detached kitchen sink pipe?

I noticed one of the two kitchen sinks is leaking--that's not really the right word. It's more like pouring. When I pour something down that drain it's like I might as well have just dumped whatever ...
2
votes
1answer
112 views

Why is my toilet tank filling too slowly?

The inside of my toilet tank was just replaced. For some reason after I flush, the tank refills much slower than before. It looks like the person who installed it put the overfill pipe in a different ...
4
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2answers
90 views

Repairing leaking DWV vertical 3" thin wall PVC

While painting, my wife discovered some mold on top of the baseboards, and being curious I investigated. What I found pulling the baseboards is they were covered in black mold on the backside, as well ...
3
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4answers
895 views

Toilet gurgling when another one is flushing: 6-way joint

I have 2 adjacent bathrooms, with toilets opposite of each other. I recently upgraded one older toiled that took a minute to flush with 3.5 gallons of water to 1.2 GPF model with "aquapiston" ...
3
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0answers
62 views

Why is the rough plumbing for a urinal so expensive? [closed]

When I built my house 7 years ago, I had them rough in a drain in the basement bathroom for a future urinal (which is in now). After the fact, I found out this was like a $1500 addition. My brother ...
3
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1answer
834 views

Need guidance for venting a new rough-in for basement bathroom

I'm currently finishing my basement, and I wanted to rough-in plumbing fixtures for a future basement. I've already got the layout, but I just need to figure out the venting for the drawing for my ...
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1answer
41 views

Removing the valve from this type of faucet/tap

I have this type of washing machine faucet/tap in my apartment. Any idea how to remove the handle? There isnt any screw on top(after removal of the sticker), by the side, or back of the handle. Is ...
3
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1answer
41 views

New water heater sometimes cold, sometimes hot

I have a new electric water heater (a week old). It does not operate correctly. It took nearly 24 hours initially before there was any hot water. Then we had hot water for maybe half a day. Then cold ...
0
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1answer
38 views

Why does my newly installed fill valve hiss after flushing?

My old fill valve shot a geyser all over the floor when I lifted the tank lid, so I bought a replacement (PlumbPak Keeney 1B1X) at Lowes. I don't see any leaks, but when the float rises to the top, ...
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3answers
275 views

What is this bathroom basin tap connection and can I replace it myself?

A few months back I had a problem with the cold tap in my upstairs bathroom — no water would come out after turning it on. I also noticed that the flexible tap hose underneath the basin was damp and ...
0
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3answers
38 views

Why is my shower head pressure low?

I have two bathrooms back to back. one with a tub and shower and the other is a walk in shower. Both have the same shower head. One has super pressure, the other is eh. What do you this ...
9
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6answers
35k views

Why does my shower switch keep burning out?

I have a Mira Shower 10.8 kW. My switch is a 45A switch. I have a 50A fuse for the shower. The shower uses 10mm2 cable. 9 months ago the switch sparked and refused to turn off and the fuse ...
0
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0answers
41 views

Tankless water heater beeps and causes power surge

We have a new tankless water heater. Every time we turn on water lights through out house flicker and water heater starts beeping. Any ideas on what causes this to happen??
1
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1answer
71 views

How to fix a poor plumbing installation?

After reading this related question and check that the wax seal is ok, I assume I have a problem with the trap, but where's the trap? The outline of the plumbing in my home (a bit simplified) is like ...
3
votes
2answers
26 views

Vertical direction of thermal expansion tank

Does it matter whether a thermal expansion tank (for water heaters) is installed above the pipe it tees from (tank's threaded port pointing downwards) or if it's installed below so that it hangs from ...
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8answers
71k views

Why does this toilet clog so often?

My inlaws have one toilet in their house that regularly clogs. They have two more toilets that don't seem to clog at all. They live in a suburb with full plumbing (not a septic tank). The toilet isn't ...
8
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3answers
1k views

Do drain pipes (house to sewer) freeze?

My basement drain is backing up a bit recently. Before I call a plumber, or rent an electric sewer snake from Home Depot, can sewer pipes freeze? It is January after all (and my house is in Canada).
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2answers
161 views

How to fit a length of drainage PVC pipe between two existent fittings

I need to connect two lines of 100mm PVC that are about 1,5 meter apart, they are about 50 cm sloped from each other, so I tought about using two 45° elbows. See image below (black: existing fittings, ...
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2answers
73 views

Drain dripping noise from Garbage disposal into P trap

after running the dishwasher or just running water into the sink, about 30 seconds later goes this nerve wrecking: POCK... POCK... POCK The dripping comes from the garbage disposal pipe and the ...
0
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1answer
22 views

Tub spout leaking when water is off

What could be some reasons why a tub faucet's spout leaks when water is turned off? E.g. some gasket within the mixing valve perhaps? The shower doesn't leak, just the tub spout.
4
votes
1answer
73 views

Is “hissing” sound from a water main a good indication that water is in use?

I recently received a notification from my water department that they suspect I have a leak somewhere in my house. Apparently, the meter outside has a mechanism that goes off if water has been ...
0
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1answer
37 views

How to remove shower drain piece (grip from inside)?

I'm trying to unblock a shower drain. However the drain snake won't go far in, it hits solid bottom. I suspect the design is as in the diagram below, and will need to remove the second metal piece ...
1
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1answer
149 views

Where are these flies coming from?

We recently had a sewer fly infestation caused by having a cracked mortar collar on the rest bend of the soil stack which runs through the upstairs and downstairs bathrooms. I removed a good portion ...
0
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1answer
35 views

Can i use tubing for drain-water under my sink?

I have to change the dranage under my sink the pipe is in the way for some kitchen appliances. I can't find any pipes that would work for me, so i consider doing a fix using tubes. My plan is to the ...
1
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1answer
33 views

Is my outside sewer cleanout a straight line from my basement drain?

I'm trying to locate my sewer cleanout outside the house. Is it usually just a straight line from my basement drain hole?
4
votes
1answer
68 views

Are these small bubbles on the base of the toilet tank normal?

I just replaced the fill valve and flapper in my toilet. Everything looks fine but after a while I see that there are bubbles that accumulate around the flapper and the rubber washers in the toilet ...
0
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1answer
2k views

Why is my Sterling three handle shower tub faucet leaking?

I have a three handle shower tub faucet that has leaked for years. I replaced the stems last year, but recently learned that the stems the hardware store gave me to use were the wrong ones. I brought ...
0
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0answers
19 views

How to connect a dranage pipe to a pvc-pipe?

I'm trying to use soft pipe for the drain on my kitchen zink. The reason is that the current hard pipe is about .2 inches to long and blocks a washing machine I want to put in. I got hold of a ...
0
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1answer
20 views

Check Valve Or A Flapper Valve For My Sewer Drain

I live in a trailer, so my sewer line is above ground, with the clean-out plug between 12" & 18" above ground. During the cold winter in arkansas the toilet paper tends not to flow. Each trailer , ...
1
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1answer
29 views

Identifying valve in a flat

I would like to know what is this valve for? I'm guessing it may be water, is that right? The valve is located in a flat in the wall. side question Shall I move it from time to time so it doesn't ...
1
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2answers
229 views

Our hot water heater is gas, and it only has low med. and high temperature settings. Which setting is the safest to use for our home?

Our hot water tank is gas, and only has high, med, and low temperature settings. Which one is the safest setting for our single home?