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

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2answers
3k views

How can I disassemble this P-trap?

I have a double-basin kitchen sink, and the drain line from the garbage disposal is completely clogged. I've been unable to clear it with drain opener, so I'm looking at replacing the P-trap, but ...
5
votes
3answers
5k views

Why does cold water always mix in bathtub mixing valve, even on hottest setting?

I have a single-handle (rotates 270 degrees) faucet in my tub/shower. I've noticed that it is always mixing in cold water, even when turned all the way to hot. I can prove this by holding the cold ...
1
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1answer
118 views

All kitchen water supplies have low pressure

My kitchen was remodeled and I noticed since then the water pressure for new area has been low (hot and cold). Previously we had one sink and dishwasher, now we have Two Sinks Dishwasher Instahot ...
0
votes
1answer
97 views

Hot Water Pipes in Multistory House

The short version of this question is how can I reduce or eliminate the noise my plumbing makes when I run hot water in the two bathrooms on the 2nd floor? Background: 20 year old two story house ...
0
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2answers
120 views

How can I get all the water to go down the drain in this sink?

I have this sink, which is sort of inclined to the back, causing water to build up on the back part. Here's a picture The sink can't be replaced easily as it is cast along with the kitchen counter. ...
3
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2answers
314 views

How to get both sides of 1/2 inch water pipe into a new coupling

What can I do when putting in a coupling but there is not enough flex in the water pipe to get both sides of the coupling on?
1
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1answer
772 views

Will I notice a pressure drop going from 1/2“ pex to 3/4” CPVC then to 1/2" CPVC?

I'm replacing my older CPVC piping in my house and I have access to almost the entire house except the master bath area. At first, I thought it was being fed by a 1/2 inch line that I could just ...
5
votes
1answer
347 views

Why are my water supply lines deteriorating?

Hello I have an American Standard (home depot brand) kitchen faucet from 2011. The hot and cold water supply line hoses are falling apart. The outside silver/grey layer has turned brown and flakes off....
2
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1answer
849 views

Drains backing up - will it affect my drinking water?

We had -15 below zero weather a few days ago. I did not notice any plumbing problems at the time. However a couple of days ago my toilet starting gurgling and then over flowing. I thought my ...
4
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3answers
2k views

Cast Iron to ABS - exterior of cast iron not smooth - how to stop leak at coupling?

I have 2" cast iron pipe that is for kitchen waste. I had to cut out a 32" section of the pipe under the concrete slab of the basement because a wye had failed. I have replaced the cast iron pipe ...
0
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1answer
1k views

Is it okay to use brass inserts in a plastic reverse osmosis pipe?

I've learned that letting metal contact reverse osmosis filtered water is generally a bad idea as it corrodes the metals and leaches them into the clean water supply. However, I'm having a hard ...
1
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2answers
296 views

Shower water temperature problem?

My house contains 3 showers. Two of them warm up to where it's comfortably warm and one just warms up to a point where I don't freeze. Even if the shower is on the highest setting it still is not warm ...
2
votes
1answer
2k views

Mysterious sound coming from basement, related to water pipes

At times I hear these banging sounds (not very loud) when in my living room. I go to the basement (below the room) and it sounds like it's in the ceiling (finished basement). I put my ear to the wall ...
4
votes
3answers
4k views

Toilet flange conundrum

We are remodelling our bathroom and installing a new toilet. When we took the existing toilet off, we found the cast iron flange was broken, brittle and in need of replacing. We could maybe get away ...
0
votes
1answer
788 views

Why do I hear water running in my bedroom wall when faucets are on or when toilets are flushed?

I've lived in my house for almost 9 years. I recently had my septic tank emptied. I've noticed that about a few weeks after emptying the tank that whenever I flush or when the water is running in the ...
3
votes
2answers
7k views

How can I thaw a frozen washing machine pipe limited access semi-exterior wall?

The pipes for our washer have frozen. I believe they froze in the section that runs through the wall facing an enclosed, uninsulated porch. I currently have the heat cranked in the laundry room and ...
10
votes
6answers
124k views

Should the water heater be shut down if the water main has to be turned off?

I have a brand new AO Smith 50gal gas water heater. Today there was a burst pipe from the cold spell we're having currently, so I had to turn off the water main to the house until the plumbers get ...
0
votes
2answers
643 views

How much distance do I need to branch from water heater?

I moved my washer and dryer next to my electric water heater. I would like to know how close to the tank can I branch the hot and cold water lines. I would like to use a 3/4 to 1/2 inch reducer at the ...
6
votes
7answers
84k views

Is there a way to thaw a frozen pipe, if you can't access the pipe?

Big freeze, new house. Just found out the add-on bathroom was plumbed by amateurs, and the cold water supply froze. I don't have access to the frozen section of pipe (without major demo), so I can't ...
0
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2answers
2k views

How do I prevent mobile home flexible water lines from freezing?

I have a 2009 mobile home. It has a flexible water feed line going to the toilet that freezes in very cold temps. I have been told these lines won't break if they freeze. They will just expand and ...
2
votes
1answer
181 views

What can I do to ensure my pool doesn't freeze?

I live about 8 miles north of the Gulf of Mexico. It will be in the low teens (below freezing) in the morning. It will be record setting, so I'm not sure what to expect. The pump and equipment is in a ...
0
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2answers
514 views

How did my water meter become loose?

This past summer, my vacant home was vandalized. Thieves stole the copper plumbing. Once the re-plumbing was done, the city came to install the water meter. The meter is female-threaded on either end....
1
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1answer
517 views

Is a PVC union air tight?

I have 1/2" PVC ran from my compressor to a hose real hanging on my ceiling. It works well, but I would like to add a PVC union around the last bend just before the reel. Would the union be tight ...
2
votes
1answer
107 views

My toilet backed up with no water

I live in an old condo apartment. My toilet just backed up. It backed up several times before and I managed to unclog it every time, but it's nothing like I've seen before this time because I don't ...
1
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2answers
265 views

Preventing a frozen pipe on an extreme weather night

Last week, we had a night that got down to -18F. In the middle of the night, the cold-water pipe going to the kitchen sink froze (but luckily did not burst). After some investigation, it turns out ...
1
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1answer
2k views

What are the steps to troubleshoot no hot water coming out of just one faucet?

Its been cold lately. Cold as its been at any time so far this winter. I came downstairs to turn on the kitchen sink and while cold water came out, when I turned on just hot water, no water came out. ...
1
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2answers
6k views

Installing water softener outside or inside? Already have“Easy Water” device. Does that change water hardness grains entered into new water softener?

We live in Florida and have had white crusty buildup for years in our dishwasher and on our shower heads and faucets and in washing machine. 3 years ago we bought an "Easy Water" thing for $300 and it ...
0
votes
1answer
3k views

Why does the cold water pipe rattle when my washing machine is set to hot?

When my washing machine is set to wash a load on hot, the cold water pipe rattles. The pipe is firmly anchored to the wall. The pipe makes a noise like a hose that is half-kinked, like theres an air ...
1
vote
1answer
584 views

new plumbing, new HE washer, now wash over flows

After noticing a leak in my sewer drain pipe in my basement, I've decided to replace all plumbing, since a plumber pointed out to me last year when I bought my house (1950) that the drains were all ...
0
votes
3answers
792 views

Can I run PEX through PVC pipe embedded in a concrete floor with radiant heating?

I'm building a new home in New York State. It will be slab on grade with radiant heat in floor. I'm going to run the domestic water supply (PEX tube) to each bathroom, sinks, toilets etc. in the ...
2
votes
1answer
122 views

Should the cold water supply be constantly open for hot water heating system?

I just flushed out my baseboard heating system and refilled it with new water. I am wondering, should the cold water supply to the system stay open or should it be a closed loop until flushed again at ...
2
votes
1answer
333 views

Is silver bearing lead-free solder sufficient/safe enough for water heater plumbing?

I have existing solder from the BernzoMatic Kit PK1001 and want to use it for soldering pipes for my water heater. The solder says Silver Bearing Lead-Free but it does not explicitly say potable. Is ...
1
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2answers
173 views

How do I plumb radiators in an off grid cottage?

I have a cottage that is off grid. I want to plumb radiators on it that wont use a pump, or minimise usage of a pump if at all possible. What is the best way to do this? Hot water tank is raised to ...
0
votes
0answers
5k views

Why is there no water pressure after turning main off then back on?

Came home after work to a water leak, a coupling had corroded and come apart on the hot water line. Turned water main off and repaired the leak but when I turned the water back on I had no hot or ...
2
votes
2answers
705 views

How to calculate potential energy savings from using a tempering tank?

I have a boiler (oil) with integrated water heater (3.5 gallon). I don't have problems with running out of hot water but I do wonder if having a tempering tank before the boiler would save money on ...
0
votes
1answer
2k views

Why would water be coming out of my shower when I turn on the bathroom sink?

The other day we finally installed a sink faucet and down pipe connecting the sink to the drain in the floor of our bathroom. Up until now we have been using the tub to wash our hands. We have been ...
1
vote
2answers
76 views

Question about roof vent

In my roof attic I have a 2" kitchen vent just inside the attic on one side of the house, the main 3" stack which vents out through the roof is on the opposite side of the house. They are about 24 ...
0
votes
1answer
459 views

Air admittance valves on waste pipe with extraction

Just move into a new apartment which is on the upper floor of three. The bathrooms of each apartment are directly above one another. I believe that the exhaust vents of the bathrooms in the apartments ...
5
votes
3answers
10k views

What would happen if I connected a dishwasher to a hot water supply line?

What will happen if I connect hot water to a dish water that is not designed to take in hot water? Will it break? Or will I just not be able to use the cold programs?
0
votes
1answer
394 views

Is it safe to connect a timer to an instant hot water dispenser?

I'd like to connect a timer to my new instant hot water dispenser. The installation instructions mention not to use an extension cord, but I'd like to make the timer accessible under the cabinet so I ...
10
votes
2answers
12k views

When is pipe dope/tape needed?

When is it appropriate to use tape, dope, or nothing at all when connecting pipe fittings? Several advised not to use any product when I posed this question. What is the purpose of each product, and ...
6
votes
2answers
11k views

Is it possible to reuse a copper pipe's compression fitting?

I removed what I didn't realize was a compression fitting on a copper pipe for my kitchen cold water supply. Is it possible to reuse the compression fitting or do I need to buy a new one to replace ...
3
votes
6answers
2k views

Frozen Pipe(s) — How to Respond?

I woke up this morning to find a trickle of water pressure to my cold bathroom taps, and no water pressure to my hot water bathroom taps. The water was fine in the rest of the house. Since we're in ...
1
vote
1answer
6k views

Can I put concrete over PVC pipe?

I have my laundry room in the backyard and there is an area that had a thin piece of concrete and below it there is soil. Beneath the soil there lies the drainage PVC 1 ½” pipe, gas line (not ...
1
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1answer
1k views

Water pressure low after hose was left on overnight

The water pressure inside my house went way down and stayed down after the hose was left on overnight. It's been a while now and the water pressure is still low (useable but low). The air pressure ...
0
votes
2answers
1k views

Should I replace my Pressure Reducing Valve?

A few weeks ago, my oil-fired water boiler started continuously leaking water out of the pressure release valve on the top of the unit. I know this is leaking steadily because it drains into a 5gal ...
0
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1answer
174 views

Hot water recirculation

I have installed a Grundfos UP pump with built-in timer, aquastat, and check valve. It does provide hot water at the tap sooner, but when the water is being used, such as during a shower, cold water ...
2
votes
2answers
8k views

Is a raised floor viable and safe in a basement bathroom?

A contractor wants to build a raised floor for my bathroom basement that he is building for me instead of breaking the concrete. The plumbing would be underneath the floor. Is this a viable and safe ...
0
votes
1answer
657 views

How to tighten this kitchen sink faucet?

I have an unknown model of kitchen faucet, with two problems. The handle is loose, i.e. it has a lot of play before it starts adjusting the flow. The pull-out sprayer hose doesn't seat properly ...
0
votes
2answers
10k views

How to shut off water valve to outside faucet?

I mentioned in a previous question that either our pipe burst or our outdoor faucet broke. It leaked into the house. Our main water line is shut off currently. We can't locate a shut off valve to the ...