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

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2
votes
2answers
686 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 ...
8
votes
9answers
82k 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 ...
1
vote
1answer
52 views

Water pump and pipe size for maximum water intake?

Each floor is 12 feet in height. I already have the pump (Centrifugal Regenerative Self Priming 1HP Peripheral Type, Self Priming - 180sec At 3m STATIC SUCTION LIFT) and would like to know which is ...
1
vote
1answer
25 views

Is it ok to use a brass compression sleeve on vinyl tubing?

I'm putting together a fountain feature in my yard and I'm using vinyl tubing from the pump to the bottom of the feature (which has a copper tube inside). I've got a compression union to connect the ...
1
vote
1answer
94 views

Installing a permeate pump on a manifold-style RO system

I've got a Whirlpool WHER25 RO system. Recently I added a hot water dispenser to our kitchen sink as well and would like to route the RO product to it instead of running it off of unfiltered water. ...
1
vote
1answer
30 views

Pros and cons of coupling vs. threaded when transitioning from copper to PVC

I'm replacing a copper DWV pipe with PVC since it's rotting out. It looks like this: There's the cast iron on the bottom going into the foundation, followed by a brass cleanout, a brass tee above ...
1
vote
0answers
28 views

Fixing a water tap that only comes out with high pressure suddenly

Moved into a new apartment, and the taps in the kitchen have an issue where if you turn the tap multiple times, barely any water comes out (if any), then you get to a point where the water comes out ...
2
votes
1answer
40 views

Do I need to angle/pitch pex tubing for draining in the winter?

I've never installed any plumbing before, but I'm going to try to install an outside faucet/sillcock because it seems fairly simple. The only interesting part is that the pex tubing will be run under ...
1
vote
1answer
34 views

Water Has a Rotten Egg Smell At Times

I purchased a house back in April 2013 and at the time I purchased a new filter and softener system for the house as the water had a strong rotten egg smell. A year later I had the issue with the hot ...
1
vote
1answer
158 views

Clogged toilet(s)

Plumbing question and issue here that has me baffled. We have two toilets in our house and it seems that the guest bathroom seems to get clogged more often than not. This issue is normally resolved ...
1
vote
1answer
94 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 ...
3
votes
2answers
60 views

Is air gap needed if dishwasher is connected directly to the sewer line?

My dishwasher is in an island, across from the sink. If I connect my dishwasher directly to the sewer line instead of to a garbage disposal, then does it still need an air gap?
1
vote
1answer
139 views

UK Vented Heating Problem - F25 Error on Glow Worm Boiler

We have had an intermittent problem over the last 4 months with our boiler cutting out with F22 and F25 errors (circulation fault/air in system etc...). Its a Glow worm Flexicom 18hx and has been ...
3
votes
1answer
50 views

Best way to avoid pipe freeze in exterior wall?

We have an exterior wall framed with 2x6's. We are running PEX piping to a pot filler faucet through this wall to go above the stove top. Is there any precaution we should be taking besides standard ...
3
votes
3answers
304 views

Connecting Washing Machine Outlet Box to copper

I've done a search and nothing particularly relevant came up so... I'm in the process of moving the washer and dryer in our new house and trying to figure out how to mate the valves in the ...
1
vote
1answer
222 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 ...
2
votes
1answer
39 views

Can I install an air gap faucet instead of a basic air gap with my dishwasher?

We are installing a new dishwasher and trying to figure out the air gap situation. I know we need one, but I'd love to find a more functional alternative to a basic air gap. I don't think we would ...
2
votes
1answer
7k views

How can I install a water inlet for a dishwasher?

I am trying to figure out how to add a cold water inlet under the kitchen sink. The easiest thing seems to add a tee joint. Here is the picture of the cold water pipe going into the sink I seem to ...
2
votes
1answer
43 views

Where do I find an exterior plumbing box?

We had to break the stucco on the second story exterior to replace the shower/tub valve. I need a box with a cover to replace the stucco so it can be accessed at a later date. Where would I find ...
1
vote
1answer
71 views

Is it dangerous to leave a hose spigot on with a closed nozzle at the end?

Here's the setup: I have a drip system for my plants that's run on a timer attached to my outside hose spigot. The spigot is constantly on, but for about 12 hours a day the timer is closed and no ...
1
vote
3answers
59 views

Water coming from the cistern is not capable of flushing the commode?

Its been months now that our water pressure is not enough to fully flush the commode, every time it must be filled manually or wait until it fills for the second time for a complete flush out.
0
votes
0answers
16 views

Why does my hot tap in kitchen sink suddenly spurt a small hot water spray seconds after turning off

I replaced my kitchen mixer tap lately - and I find now that when I turn off the hot tap, approx 20 secs later there's a quick spray of hot water from it, which did not happen with the old tap. Any ...
6
votes
4answers
36k views

How far from the sink can we install the dishwasher without major remodel?

We are buying an old house built in 1935. We do not want to do a major kitchen remodel but we would like to replace the old portable dishwasher (that you roll over to the sink and hookup) with a ...
0
votes
3answers
44 views

Galvanized pipe life expectancy

USA, NW Oregon, single-story house with crawl space, built 1972. Background The house has the original galvanized piping in the crawl space and suffers from low water flow in two bathrooms. Static ...
1
vote
2answers
27 views

Relocating the PVC from behind dishwasher

I want to replace a 12 year old dishwasher with a new KitchenAid model. The hot and cold PVC pipes from under kitchen sink are blocking a full install. These pipes are not flush against the wall or ...
2
votes
1answer
39 views

Curious bathroom sink trap

This is under a bathroom sink in the house we recently purchased. It was likely done to limit the vertical space taken up by the P trap. Is it likely to cause a problem, and/or is it a code ...
3
votes
3answers
20k views

Why does my bathroom shower have too much water pressure?

I have the same shower head, nothing has changed except the pressure. It sprays so hard that it hurts, and in 10 minutes the hot water is almost gone. What can I do to fix this?
2
votes
0answers
44 views

Possible cross over issue with water lines

About 2 weeks ago our hot water started getting less and less hot, now it is completely cold. If I turn the cold angle stop off at the sink, so only the hot water line can feed the faucet, and turn it ...
2
votes
3answers
99 views

I left a pound of ice to melt in my shower. Two hours later my downstairs neighbor reported a leak from their shower light fixture

Our 4-unit building has identically laid out apartments with a guest shower. I was clearing some ice from a broken freezer, and left about a pound or less of ice near the drain of the shower to melt ...
0
votes
1answer
43 views

How Should I Fill In a Hole in Slab Around Floor Drain

I think I have a good idea about how to go about this, but wanted to throw it out here to make sure I don't wander down the wrong path. I recently installed a new floor drain. I broke up the ...
5
votes
4answers
820 views

How can I remove this old tub drain stopper?

My girlfriend recently moved into a house that was built in the early 1940s. Most of the house is in great condition, but, of course, there are a few items here and there that need fixing. The tub ...
1
vote
2answers
27 views

connect 3 inch ABS pipe to only 0.5 inch exposed pipe

I would like to cut an existing pipe and install a coupler to connect 2 pieces of 3 inch ABS. I would like to make the connection where I am pointing on the image. Is that enough pipe to connect to ...
0
votes
0answers
21 views

How to shut off both cold water and hot water?

I want to install a new basin tap mixer in my bathroom but I cannot find the valve to off the hot water. I can see the cold water valve is under the sink in the kitchen. Here is the water heater on ...
0
votes
1answer
45 views

Non-permanent way to cap a clay cleanout pipe

I have a clay cleanout pipe, with bell, in my side yard. There is no type of cover and I want to prevent mosquitoes from breeding inside. Does anyone know of a way I can cover it while still allowing ...
0
votes
1answer
118 views

What could be causing cold water to enter my hot water tank?

I have cold water leaking into the hot water side of my hot water tank. In order to get hot water shower, I have to flush a toilet or turn cold water on at a different location. With the cold water ...
1
vote
1answer
31 views

Hot/Cold Water Faucet Dripping

I have a water heating system in my kitchen sink (picture below) that is about 4 years old. All of a sudden the faucet is dripping water. I am trying to figure out how to fix it. I tried cleaning ...
3
votes
7answers
818 views

Leaking saddle valve

There is a joint of some sort leaking in one of our cold water lines running above the drop ceiling in the basement. Does anyone know what this joint is called, or why it might be leaking? It's ...
1
vote
3answers
46 views

2 sinks on one drain line

I have my bathroom sink rough plumbing coming from the 3" stack vent, running about 2 feet. My question is: can I use that same drain line for another sink? Reasoning: about 2 feet from that sink ...
3
votes
2answers
164 views

What's the difference between these two types of compression fittings?

In my piles of random hardware I have a pile of brass compression fittings for water lines. I have two different types of compression nuts. One has a sleeve inside it. The other doesn't. What's the ...
4
votes
2answers
95 views

what is the brand of this sink faucet?

enter image description hereOne of my sink faucets in my bathroom is leaking and I decide to fix it. I can uninstall the handle using allen wrench but then don't know how to find the O-ring or ...
3
votes
3answers
4k views
2
votes
3answers
65 views

Tub overflow elbow standard screw pattern; 2 or 1 screw?

Is there a standard screw for tub overflow elbows? Or most popular? I am installing a new tub and looking for a overflow elbow with a screw pattern that will lend itself to a stylish overflow now, ...
0
votes
0answers
14 views

Getting at water heater anode AO Smith ECT40-200

I found this spec sheet for my water heater which shows where the anode is. However I'm not so sure which of two ports is the anode. Here's a picture. In the spec sheet diagram it seems the anode ...
1
vote
2answers
72 views

How to seal PVC-U and copper pipes together

How to seal a gap between hard PVC pipe and copper coil as visible on the picture below? It needs to stand small vacuum (45 mmHG = 1.8inHg = 6kpa = 60mbar = 0.87psi). What is the best way to do it? ...
5
votes
3answers
258 views

Should I run the tap while dumping boiling water?

It seems to be common advice to run the cold water while dumping boiling water down the drain (for example, when draining pasta). A variety of reasons are cited for this, one of which is that it is ...
3
votes
2answers
100 views

Techniques for Squarely Cutting the End of a PVC Pipe

I am replacing a floor drain which required me to saw off the old drain which was cemented to 4" schedule 40 PVC. I had limited room to do this (Please see the picture below; I had broken out the ...
1
vote
1answer
47 views

Antique Cast Iron Sink Wall Mounting Support and Weight Issues?

I have an existing stud assembly where a pedestal sink basin was bolted to the wall. I'm looking to replace it with the (future restored) sink in the photo, but I want to ensure its weight is ...
3
votes
2answers
2k views

What is causing the last two heads in a sprinkler/irrigation system to have no water pressure?

Zone 2 of my irrigation system has 6 pop-up sprinkler heads but the last two do not pop up, nor is there any water coming from them at all. They are completely dry, even in the flex lines they are ...
7
votes
3answers
7k views

Can teflon tape be used on a threaded joint behind a wall?

I'm remodeling my bathroom. Last night I took the cement board off the wall where the pipes run for the shower. One of the pipes that carries water to the shower was corroded. Upon further inspection, ...
2
votes
1answer
275 views

How can I repair this unusual joint that leaks?

Got a leaking drain at the back end of the P-trap. When I pulled the PVC trap apart, there was no washer. Also, the male 90 pipe has flanges that keep the metal nut on the pipe. Haven't seen this ...