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

learn more… | top users | synonyms

3
votes
2answers
35 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?
2
votes
1answer
35 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 ...
2
votes
3answers
279 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 ...
0
votes
0answers
19 views

Supplier of metric-sized PEX in US or Canada [on hold]

Note and Update: This is not a "Google that for me question" this is a nearly impossible sizing to find in North America. I know how to Google, I know how to shop, even my plumber took weeks to find ...
2
votes
1answer
31 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 ...
1
vote
1answer
51 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 ...
0
votes
0answers
15 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 ...
0
votes
3answers
37 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
22 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 ...
0
votes
1answer
23 views

new water heater, unexpected noises

I installed a new water heater about 2 months ago and I hear this cracking noise most of the time, even when I have not used the hot water. Does anyone have an idea of what could possibly be causing ...
2
votes
0answers
36 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 ...
1
vote
2answers
23 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
1answer
28 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 ...
2
votes
3answers
93 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
0answers
19 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 ...
2
votes
1answer
34 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 ...
2
votes
7answers
798 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 ...
3
votes
2answers
152 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 ...
1
vote
3answers
35 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 ...
0
votes
1answer
24 views

hot water pressure in the shower

I have two outlets in the shower one hot and the other one cold. when I turned on the hot water tap gave a kind of bang and then the flow reduced to half the pressure.
0
votes
0answers
13 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 ...
0
votes
1answer
26 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 ...
1
vote
2answers
52 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? ...
3
votes
2answers
79 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
30 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 ...
0
votes
1answer
30 views

Will there be water pressure/flow into the pipe with this setting?

I have a space in balcony of my 1st floor house where I intend to keep a tank around the height same as that of the water pipe which leads to my bathroom taps. Will there be problems related to ...
3
votes
3answers
57 views

Can I use CPVC to make a solar water heaer?

I have a shed in my backyard and I have installed a sink on the outside to clean up with. I have run a cold water line to the sink, but would like to attach a "heated" line to the hot water side. I ...
0
votes
1answer
35 views

How/where to put hydrogen peroxide in water heater

I just moved into a house that has 2 water heaters. The second one was rarely/never used by previous owner and all the hot water that comes from it is smelly. This came up during the inspections but ...
0
votes
0answers
22 views

Plumbing system and pipes concerned?

We have a concern on installing the two waters that supply with two house, where the metal pipe connecting from the municipal city water elevated and divided into t-shape directly to the line. ...
1
vote
0answers
47 views

Should Water Sediment Filters Come Before or After Water Softener?

My question is: In a water system, should water filtration come before or after the water softener? Edit: or even before the pressure tank? At my cottage, we have a shallow well with an above ground ...
1
vote
0answers
23 views

Old PEX tube is larger than new

I'm about to tear out a bathroom and want to install some shutoff valves in front of the supply for that room. I have not used PEX before so before cutting the existing line I bought a small section ...
0
votes
1answer
31 views

Hot Water Heater Pressure Relief Valve Hissing and Discharging Water after Draining Tank

I just drained the hot water heater, as I do every year (using the following video for instructions: https://youtu.be/qqaehhGYV_I). This time, the pressure relief valve had a slight hiss after I ...
0
votes
2answers
69 views

I am building a laundry room in the basement. Do I need a drain?

I am finishing a basement with a laundry room in it. Do I need a drain over there? The floor for the laundry will be tile.
5
votes
3answers
237 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
77 views

Toilet drain pipe too high

I'm putting a bathroom in my basement, and had a plumber come in and lay the PVC pipe after I cut out part of my floor. After pouring new concrete, he came back in and said there was a problem with ...
2
votes
1answer
30 views

how do you replace a pool pump where PVC installation is coupling to coupling?

I want to replace my pool pump, and my pool system installers built a system where there is no room for one to make a splice. There is not one section of pipe exposed greater than 3/4" where I would ...
1
vote
0answers
16 views

Could I make a turn in the opposite direction in toilet drain line? [closed]

I'd like to connect a new toilet in the room next to the current toilet, but not the same wall. I have a problem running it to the drain line using only a 90 turn at the connection because there is a ...
0
votes
3answers
40 views

How do I share the same cold water pipe for both my dishwater and washing machine?

I have one cold water source, the pipe looks like this: I would like to connect two of these pipes this the source: How do I do this? The best I could find was something like this. But the ...
0
votes
1answer
61 views

How do I connect both my dishwasher and washing machine waste pipe to the same sink?

My current sink plumbing looks like this with a single waste inlet. When I remove the current single waste inlet, the connector looks like this: I bought one of these (the connector is 40mm): ...
0
votes
2answers
38 views

Outlet drain hose of my washing machine must go all the way to the top of the machine?

I have just purchased a Samsung front load washing machine (7kg capacity). So when I was studying its emplacement, I have decided that its drain hose would be over the floor to a avoid an obstacle ...
0
votes
1answer
30 views

Removing kitchen sink drain pipe from behind a wall

I'm replacing an old galvanized pipe from my kitchen drain to the basement. The drain pipe corroded a couple feet down the line and is leaking. I'd like to replace the entire run from the sink to ...
1
vote
1answer
29 views

Laundry box and water hammer arrestor

I am trying to install my new washer & dryer combo. There are a few things that I am not sure since plumbing hardware and markings are a bit different in the US compared to once I used in Russia. ...
0
votes
2answers
59 views

How to remove tap valve within shroud (Franke ascona mixer tap)

I'm trying to replace the cold tap valve on a Franke Ascona mixer tap. The valve is slightly recessed in a non removable shroud. The new replacement valve fits a standard 14mm socket set which I can ...
1
vote
0answers
31 views

Why are water heaters generally installed on a pedestal? [duplicate]

Why are tank-style water heaters generally installed on a 2-3 foot (~0.6-0.7 meter) tall pedestal?
1
vote
1answer
42 views

Can I hook up under-sink water filter to sprayer outlet on faucet?

I installed a new single-handle kitchen faucet with a sprayer. Is it possible to replace the sprayer with a water filter (I have only one hole on the side in the sink)? Specifically, would it work to ...
-1
votes
0answers
16 views

water pressure high after use of shower or dishwasher [duplicate]

replaced all check valves from street to house. city replaced valve at the road. Pressure increasing to 90psi after use of hot water. City stated that it is our hot water heater. Is this the ...
3
votes
1answer
32 views

How do I determine what size the outlet should be on a new shut off valve?

I'm going to be replacing several shut off valves throughout my home. They are a very old type where the supply line is part of the shut off valve, not it's own separate entity. I've done this once ...
0
votes
1answer
37 views

water pressure high after using hot water

We have replaced all the check valves from the road to the house.. The city replaced its valve at the road. We continue to have 90psi pressure after shower or dishwasher use. I have to flush the ...
0
votes
0answers
15 views

water pressure in house to high [duplicate]

We have replaced all the check valves from the road to the house. the water pressure is maintained @50 psi but whenever the shower or dishwasher is used the psi shoots up to 90 and my kitchen sink ...
11
votes
5answers
2k views

What is “pipe dope”?

People often refer to "pipe dope" when talking about sealing threads of pipe fittings, but when I go to Home Depot or Lowes or whatever, I've never seen anything on the shelf labeled "Pipe Dope". ...