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

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4
votes
3answers
357 views

Is it legal to connect a combi expansion pipe to a drainpipe?

Is it legal to install a combi boiler in a cupboard in a bedroom and connect the expansion pipe to a cast iron drainpipe? The person who has done it ownes one of the four flats in our house. Recently ...
4
votes
1answer
1k views

How can I install a J-Trap for a bathroom sink with limited space?

Well, it was my first difficult handman project and I got this far... Below is a photo of my installation right now. Every single diagram I've seen has the J-Trap facing down. Is there any way ...
2
votes
2answers
4k views

How do I seal a cracked pipe using epoxy putty?

So, I have a broken pipe exactly on the L join on the wall. It's a huge crack but no big gap, just a curved crack along the pipe. At first I thought of replacing the pipe, but it means that I have to ...
1
vote
1answer
1k views

How do I find out if Air Admittance Valves (AAVs) are allowed in my municipality? [closed]

I saw Richard Trethewey of Ask This Old House install an AAV as part of a kitchen island sink system. I thought I might be able to use one for the water line for my washing machine. I'd like to ...
14
votes
3answers
12k views

How can I tell if these pipes are gas lines or water lines?

I recently moved into an in-law unit of a large old house. In the kitchen, there are two pipes coming out of the wall (one protruding out a little more than the other). I had assumed they were gas ...
2
votes
0answers
59 views

How can I fix my leaky bathtub faucet with minimal damage to the wall? [duplicate]

Possible Duplicate: How to fix a bathtub faucet that leaks only when the shower runs? Our bathtub faucet leaks a steady stream of water. Sometimes this will temporarily slow to a drip if I ...
3
votes
1answer
523 views

Cleaning film out of plastic drain pipe

The drain pipe and trap on my bathroom sink are made of plastic, and every four to six months I find that it slows down. When I disassemble it, the pipe walls are coated with maybe 1/8" of disgusting ...
4
votes
1answer
2k views

Why is my hot water tank randomly emptying through the overflow pipe?

The other night I woke up thinking it was raining really heavily. I looked out the window to see clear skies, so I popped outside to investigate. Along the side of our house I found a stream of water ...
2
votes
1answer
222 views

how to test water pressure coming out of pipes w/o spilling water

I am remodeling my shower room and have removed tiles and walls exposing the pipe. I would like to add a body massage system w/ 4 heads? How can I test the water pressure to ensure there is enough ...
0
votes
1answer
372 views

Is there a way to adjust this popup drain stopper, or is it defect?

I just installed a new pop-up click clack drain for our glass bathroom sink. The only problem is that it doesn't pop up and down anymore. It did when I first took it out of the box. Here is a similar ...
4
votes
3answers
776 views

How do I connect to a dishwasher bushing?

I just bought a new dishwasher for a newly renovated house that I just bought. I am trying to install it myself. My sink drain pipe has one of these sticking out the side above the U pipe thingy like ...
5
votes
1answer
766 views

How can I remove this dried drain cleaner from a kitchen sideboard?

I recently spent a week or so trying to unclog a seriously blocked kitchen sink drain. I tried various things, including One Shot Instant Drain Cleaner (a hardware-store 91% sulphuric acid drain ...
5
votes
2answers
1k views

How to connect a faucet to a buried water line?

I want to install a sink. There is a buried water line (1" poly) to the site of the sink, with a nice long tail on it if needed. The faucet from an old-fashioned separate faucet system, with one input ...
7
votes
8answers
48k views

How to fix stinky bathroom sink?

It smells like really musty water, but the water itself does not smell or taste bad at all. Only happens when I run the water, so it doesn't make the room smell, just when you fill something up or ...
3
votes
1answer
1k views

Increasing water pressure with pump

I live in Karachi, Pakistan. We have underground water tanks and use motors to transfer the amount of water required to overhead tanks that then supply the house. I get lower pressure in my house's ...
3
votes
4answers
2k views

Is temporarily reducing the water supply line an option when installing a water softener?

I am installing a water softener in my house. Currently we're getting the water supply from 1" PEX that has a service loop in the garage. I built my own 1" PVC bypass system for a GE water softener ...
5
votes
7answers
34k views

How tight should threaded brass pipe fittings be?

I'm working with 3/4" brass fittings, which seem pretty robust. Some plumbing fittings should be only finger-tight. My friend said I should use 2 wrenches to make these as tight as I can, and then ...
6
votes
1answer
943 views

Do I have to do anything different to use compression fittings on chrome pipe?

I have a radiator sitting on a concrete floor in my bathroom. I'm connecting it up to the central heating with chrome pipes and chrome compression fittings - the piping is all visible above floor due ...
3
votes
1answer
181 views

How to protect plumbing to an outbuilding from freezing?

I'm planning plumbing to an outbuilding. When I splice in to the water line, I'm thinking I should insert a shutoff valve with a weep hole ("stop and waste"). Then, if I leave for the winter, I can ...
0
votes
1answer
308 views

Low water pressure in house

My inside water pressure is very low. My outside pressure is good. I did disconnect an old water softener and just connected the input and output pipes from the softener together. I would like to ...
3
votes
2answers
2k views

How long should I let caulking dry before exposing to water?

I am redoing my bathroom and going from a tub with shower to just a shower base and walls. The walls are fiberglass and caulking is being used to seal everything up. How long should I let everything ...
2
votes
4answers
4k views

Could insulation around copper pipes cause condensation problems?

Should you insulate hot water pipe (copper) located in an attic? I live in Louisiana, where it rarely gets cold. The plumbers insulated the hot water pipe from the tankless water heater. Now ...
4
votes
2answers
714 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 ...
2
votes
4answers
4k views

How do I unscrew a broken aerator?

My bathroom faucet was spewing water at odd angles. The aerator was obviously old and plagued with mineral deposits. So I attempted to remove the aerator to clean/replace it. With WD-40 and vice ...
2
votes
1answer
549 views

What would cause the bottom half of a radiator cool down after heating up?

I have a one pipe system and just had a new Vertex vertical radiator fitted. It's the last radiator in the circuit. The radiator I had replaced for the vertical radiator worked like a dream for the ...
2
votes
1answer
4k views

Showerhead with “backflow prevention”

I bought this Delta showerhead almost a year ago. I remember the packaging mentioning a "backflow prevention" feature. Every time I turn off the faucet water streams from the area I've circle below, ...
3
votes
1answer
408 views

How can I repair a sticking temperature gauge on heating valve?

The plumbing for my building heating system has temperature gauges on the outlet and inlet pipes. One of these gauges sticks - I can make it show the correct temperature by tapping the gauge quite ...
4
votes
1answer
726 views

How far can I move my bath tub trap from the vent?

I am remodeling the master bath and I need to relocate the bath tub. I will be extending the trap about 3-4' from where it is now. I'm wondering if I need to relocate the vent pipe as well. How far ...
4
votes
1answer
592 views

Is plumber's putty or tape ok?

I have a brass spigot connected to a PVC pipe near the pump of my saltwater pool. There is a small leak and I was wondering if I can redo the connection using plumber's putty or tape. Would either ...
12
votes
4answers
34k views

How much water do water softeners waste?

I'm considering buying a water softener, but I heard that they waste a lot of water, and I don't really want my water bill to skyrocket. I haven't been able to find any clear indication of how much ...
4
votes
2answers
1k views

How can I prevent mineral build-up from my water?

I'm not sure whether my house receives really hard water, or water that has a lot of junk or sediment in it, but I am constantly having to soak my faucet spreaders and shower heads. Recently, I ...
2
votes
1answer
331 views

Leaky newly installed PVC drainage pipe

I am pretty bad doing handy work. Anyways, I decided to add a water drainage to my concrete flat roof. I had mocked up all the pipes and finally waited for a sunny day to remove it all and glue all ...
3
votes
1answer
509 views

What does “1/4 turn waterless ceramic disc valve” mean — will the handle only turn 1/4 way?

I am purchasing a replacement faucet/spout a for very old (1940s) kitchen sink with a curved backsplash. The backsplash limits the turn space of the faucet handles -- they may bump into the back at a ...
2
votes
1answer
202 views

How do I replace a flange installed with primer?

I had a leaky toilet and had to replace the subflooring in the bathroom. The flange is also rusty and a little warped and must be replaced. I've seen plenty of videos telling me to score the flange ...
1
vote
2answers
2k views

How to choose a kitchen faucet compatible with old sink and new counter top?

I need to replace my kitchen faucet which just broke. However, we're already planning to have a new counter top installed in about 3 months (I was hoping the old faucet would last). I want to buy a ...
2
votes
1answer
3k views

How can I prevent sudden increases in shower water temperature

I assume, but am not sure, that this is caused by someone else in the house competing with the shower for cold water. I'm guessing an anti-scald valve might be necessary but perhaps there is a way to ...
3
votes
3answers
2k 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 ...
5
votes
1answer
2k views

How should I convert a double sink to a single sink?

We are going to remodel our bathroom which currently has two sinks (and not that much cabinet/drawer storage) to a single sink with larger (and more) drawers for storage. Under the current double ...
4
votes
2answers
1k views

Is the drain cover in my shower sufficient?

I bought a new house about a month ago. In the apartment that I moved from, I had a cheap rubber drain cover that seemed to work very well at preventing hair from getting into the drain, similar to ...
3
votes
1answer
220 views

How can I install a waste disposer if I have a high drain fitting?

I want to install a waster disposer under my kitchen sink. My problem is that the drain fitting coming into the kitchen under the sink comes out quite high, and the food disposer will effectively have ...
1
vote
0answers
55 views

Toilet bowl rim: Unblock mineral deposits inside holes [duplicate]

Possible Duplicate: Why do my toilets flush slowly and often incompletely? Yep - got an old toilet, and the mineral scale inside (INSIDE inside) the rim is slowing the flush speed. I ...
5
votes
1answer
342 views

Why does water from outside spigots seem to “stutter” (starts and stops)?

I live in a 1950s-built home in a warm climate. When I run water from an outside spigot, such as to water plants, it's not uncommon for the output to "stutter" near the start and then again ...
6
votes
3answers
4k views

What could cause my sink to drain slowly?

Sometimes our bathroom sink will drain so slowly (with the water running) that the water will fill it faster than it can drain. However, after shutting the water off and letting it completely ...
8
votes
4answers
232 views

What is this and can it be used to stop the flow of water?

I have a leaky spigot that I am trying to fix. I followed the water line back and found this. Does anyone know what it is? Can it be used to stop the flow of water?
2
votes
1answer
5k views

Can you replace valve stem packing without shutting off the faucet?

The main shutoff to my house is a 3/4" FIP, that's leaking out the valve stem... the last several times turned on and off, it has 're-sealed' itself with lime and calcium deposits, but not this time, ...
2
votes
1answer
5k 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 ...
5
votes
1answer
130 views

What is the timeline for broken plumbing to cause damage to a house's foundation?

Assume a plumbing main breaks for whatever reason, and sewage begins to leak into the foundation of a house. What is the typical timeline for events to play out? For example, plumbing breaks on day ...
4
votes
1answer
2k views

How to reduce heating of cold water pipes in the ceiling space?

On a hot day our kitchen cold tap, if it hasn't been run for a while, will produce water at a temperature up to around 50-55 degrees C shortly after it is turned on. We haven't measured the exact ...
3
votes
1answer
477 views

How to add a drain pipe to a concrete block wall covered in insulation?

I want to run a 1.5" drain pipe along the wall about 2 feet from the floor to a microbrewery setup in the corner of my basement. I have sheets of fiberglass insulation against the walls though, and I ...
1
vote
1answer
480 views

how to remove a stuck shower handle?

I have a shower faucet "mixet" temperature handle that I can't remove. I have have the screw out but the knob won't come off. How do I get it off with out breaking, or pulling apart the pipes? If it ...