Questions tagged [plumbing]

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

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1answer
37 views

Bathroom addition - pluming drainage problem

New here, and i am a rookie home DIYer. Looking for some help Me and a friend of mine(tradie who knows much more than me) have started trying to add a bathroom to an old double garage at the rear of ...
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0answers
33 views

Can I use this flexible tee on a 2" copper drain?

I have a vented 2" copper drain and am looking to tee off for a adding a washing machine drain line. I saw some pictures of people using couplings to transition from copper to pvs and then adding a ...
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1answer
280 views

How is a pipe nipple's length measured?

Like many items which have "trade sizes" it seems a little ambiguous what the length of a pipe nipple actually means. For instance, if I see a 4" pipe nipple advertised, what portion of the object is ...
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27 views

(UK) Toilet flush makes a vibrating, grinding sound just at the start of filling

I had a bathroom renovation including totally new toilet (using the existing plumbing) with new cistern, pan, etc. After installation, but not immediately, I started having this vibrating / grinding ...
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1answer
47 views

Cap off hot water from bath with two pipes

I'm removing a bath and capping off the waste, cold and hot pipes. The cold has a single pipe but the hot has two pipes with a temperature 'limiter'. Can I just cap off both of the hot pipes or will ...
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1answer
151 views

Hot water comes out once toilet is flushed

I turn on the hot water faucet and cold water comes out. This happens everywhere around the house. Once I flush the single toilet that's on the first floor and wait 1-2 mins, hot water starts pouring ...
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0answers
95 views

Why is my shower drain blocked for several minutes before draining?

Every day when I have a shower, the drain starts out plugged. The water from my shower will slowly fill the tub. After about a minute or 2 the drain will unblock itself and the water will all drain ...
3
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1answer
306 views

Sudden drop in water pressure at sink furthest from entry of main water line

I've had a sudden drop in water pressure in my kitchen sink, which happens to be roughly 40 or 50 feet from where the main water line enters the house. My bathroom sink/shower seem to be fine, but ...
4
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1answer
86 views

Why does my shower feed do a long loop into my garage?

The pipes feeding my shower have an odd arrangement. Hot and balanced cold plastic pipes come down from the loft into the shower space, go into the utility room next door, along the wall and into the ...
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1answer
31 views

How to cover area under vanity with PEX exposed?

I just installed IKEA vanity and it requires re-run new PEX. Since behind the wall is concrete at corner wall, only way is to run PEX outside the 2x4 like picture below. But now it opens a hole like ...
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1answer
61 views

Is there a reason to avoid running (water) pipes in a shared townhouse wall?

In the process of renovating my master bath, I pulled out the vanity and discovered the water supply lines come up through the floor. The drain goes through the wall. The wall is a shared wall in a ...
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2answers
59 views

How to replace an anti-siphon spigot without access to the back end?

I left a hose attached to my spigot during the first freeze. Nothing happened at the time, but just a few days ago someone went to use the spigot and the water didn't come out - well it did, but it ...
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2answers
2k views

What is this tubing in the basement?

I saw a house for sale today and my realtor and I couldn't figure out what this was attached to the water heater, some kind of water piping/tubing. We'll get to the bottom of it with the inspection, ...
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1answer
40 views

Locate water shut off valve

I'm trying to locate the water shut off valve for my home. I'm trying to shut-off the water to replace and outdoor faucet. I've attached 3 pics of possible locations for it. Can anyone identify it for ...
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0answers
16 views

Condensation on air con causing leak, best way to insulate

In the roof there is a large metallic air con box, the drip is coming from one of the corners, see photos. An engineer has said we need an external drip tray, and/or additional insulation. WHats the ...
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65 views

how to reroute black sewer pipe

edit 12/30/2019: - adding a picture of the vent stack above the subfloor and to the right a sink drain that has it's own vent that ties in - there is a red plug in the T. where the trap from the ...
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1answer
35 views

Water Disposal 1” higher than Drain, still too low? - Leak from P-Trap

went thru some threads about garbage disposals + p-traps, and would appreciate some help. P-trap leaks once a year (at Christmas!) Bought condo 2-years ago, last year p-trap started leaking when ...
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5answers
138 views

What is the minimum temperature for house heating system to keep pipes from freezing

Roughly what is the minimum temperature to set a house heating thermostat controller to in order to keep pipes from freezing? Assume no other considerations, e.g. assume no one is living inside.
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2answers
48 views

Plumbing issue…perhaps venting problem

So my bathroom sink was draining slowly. This seems to be a constant issue with this sink..I have poured liked plumber down it numerous times and it works for a week or so and then needs to be done ...
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2answers
33 views

Leaking wall-mounted toilet (Duravit)

I have a Duravit Model-No. 253509 wall-mounted toilet that is leaking in a minor way around the wall. Please see below for some photos and details. Please let me know if you have ideas on the source ...
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1answer
33 views

How to remove this cartridge?

Any ideas on how to get this cartridge out? I've tried to remove the nut but the whole valve under the sink turns as well. I did remove the clip after taking the picture. Thanks in advance.
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1answer
59 views

Are bumps on the inside of a cast iron drain pipe a sign of a problem?

I'm replacing a toilet's wax ring in my 1960 US home. With the toilet removed, I noticed ugly-looking bumps on the inside of the cast iron drain pipe: Here's a closer, more tasty look: Aside from ...
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1answer
92 views

Do you know what this “connector piece” is called and where to buy it?

Does anyone know what the "connector piece" mentioned in this video at 6min 11s is called: https://www.youtube.com/watch?v=-HIOiyPKUbQ&t=6m10s And where to buy it? I could not find it Lowe's, ...
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1answer
36 views

Is it normal for a siphon in a toilet cistern to tilt to the side when the toilet is flushed?

I've noticed some cisterns have siphon units that are not secured at the top. Every time the toilet is flushed, the top of the siphon moves or tilts to one side. For example, in the following youtube ...
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1answer
51 views

Toilet flush button is corroded and gets stuck

My toilet flushing button gets stuck with one button extended. It doesn’t affect the toilets flushing but it is a little ugly. I’m very new to DIY so I’m not sure if I can just scrub the blue stuff (...
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0answers
34 views

P trap for laundry

I'm working on the drain for my laundry, and there isn't enough space to fit a vertical drain pipe above the P trap. Is the vertical pipe coming in being slightly offset going to be an issue with the ...
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1answer
33 views

How much length of pipe is needed to enter a 'donut' PCV to iron pipe connection?

We have a cast iron pipe leave the house with PVC connected to it at the wall with a "donut" style adapter like this: Basically you stick the donut into the cast iron pipe and PVC into the donut and ...
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1answer
26 views

Water leaking through vanity, through gap between faucet base and sink

I have a bathroom faucet with a leaking issue. Whenever any water ends up on the top of the vanity or around the faucet base, it seems to leak through and drip down the bottom of the vanity. In order ...
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3answers
67 views

Double sink with disposal - water shoots up when disposal runs

I have a double sink with a disposal on the right side. The disposal joins the left sink drain via a slip joint baffle tee below the left sink then the drain goes to the P-trap and out. It was ...
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2answers
71 views

Replacing compression fitting with push-to-connect

I have a 1/2" compression fitted toilet shutoff valve. If I remove this, and the compression ring, is it safe to us a push-to-connect fitting to replace the compression fitting? Has the copper pipe ...
3
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2answers
81 views

How does a plumbing vent work?

I would like to better understand the physics behind plumbing vents. Why are they necessary? Does air pass in through the vent? If so, when? Does air pass out through the vent? Is so, when? What would ...
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3answers
63 views

Can I add strips of lumber to studs in a framed wall to meet plumbing hole size limitations?

If you want to fit a 2” PVC pipe with 2.375” OD in a non load bearing wall stud, it needs to be less than or equal to 60% of the width of the stud. i.e a stud which would need to be just over 3.95” in ...
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1answer
60 views

Auto-cleaning room (CIP for the ground?)

In breweries, we used CIP (clean in place) to cleanin and sanitize vessel. Here, I have a room (a production room for beverages) with slope on the ground and a gutter all room long because I have to ...
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1answer
62 views

Leaking joint/pipe. What product to use?

Our “plumber” drilled hole in main down pipe (plastic) instead of in the ceramic main out pipe (Black). Probably good that he didn’t touch that! Anyway, the product he used to seal the “joint” has ...
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1answer
48 views

Do nice water pump pressure switches exist?

If you have a water pump / well pump in the United States, you have a Square D pumptrol switch that looks like this: https://www.amazon.com/Square-9013-FSG2-30-50/dp/B00CONESDG/ I own several of ...
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2answers
79 views

Tile pattern for shower base using large porcelain format

I am building 46x34 shower base using large format tile. I like it because it looks the same as the flooring. I building a curbless shower by the way. However the plumber did not position the drain ...
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4answers
115 views

Cast iron pipe is too low to a use gasketed toilet flange replacement

While removing the toilet the The previous flange came off with it. We suspect that is what was causing a leaking issue on the ceiling below. So we went to replace it with an extender flange but the 4 ...
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2answers
95 views

How can I fairly distribute water pressure and flow throughout my home?

All new home plumbing. Well fed, so we have our own booster pump and we control the water inlet pressure. My goal is to split the house into four "zones" that I can turn off, independently with a ...
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1answer
36 views

Which copper adapter should I use for tub spout and what is the difference?

I'm going to sweat a 1/2" piece of copper with a Male Adapter Fitting to thread into the drop-ear for my tub spout. I purchased this: 1/2 in. Copper Pressure Cup x MIP Male Adapter Fitting Later ...
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4answers
100 views

Can a leak in a drainage pipe cause an increase in water bill?

I am wondering if something like an intermittently clogged shower drain can cause an increase in water usage. The problem might be that the clog in a drain causes waste water from our showers leak ...
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1answer
48 views

Hot water leak from heating system

I discovered there is some hot water is leaking from what seems to be a pressure release point of my heating system. I am not very good at plumbing so i will probably hire a professional if this is ...
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3answers
44 views

Electric Boiler System won't get warm

I moved into a new rented property about 3 weeks ago in the UK. I put on the heat, which is water-filled radiators supplied by an Electric Boiler, a Range Senator 6W, and a medium-sized water cylinder....
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1answer
63 views

Why does my toilet plumbing make a low fog horn noise when I flush

Our toilet makes an annoying, low fog horn type noise every time we flush. The noise goes on the whole time whilst the cistern is filling up, except for the last few seconds. No other usage of water ...
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1answer
67 views

Can this be used to size up a flared fitting?

If my gas line has this on the end of it, with a 1/2 flared connector on the left: ...and my flexible gas line from a kit is expecting 5/8 flares: ...can I use this adapter that came with the kit -- ...
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1answer
67 views

What's this part on my water main and could it be making a consistent tapping noise?

I've been noticing a consistent knocking/tapping noise when cold water is running in my house. It gets louder with more volume. It stops when the water is turned off. Not sure how long it's been ...
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4answers
6k views

How can I unscrew the faucet nuts in the tight space behind my sink basin?

My bathroom faucet is dripping, and I would like to change the washers in it. The problem I am running into is the placement of the nuts holding the faucet valves in place: This is the underside of ...
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2answers
50 views

Need help identifying shower diverter cartridge

Shower diverter: Need help identifying shower diverter cartridge for replacement
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1answer
59 views

Shut off cold water supply valve on the heater, now can't turn it on

The valve just spins freely. What could be the problem? I'm getting cold water pressure just fine but only an extremely weak flow of hot water. Tried different fixtures. I don't know why this happened....
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0answers
15 views

White residue on flow heater pipe

My flow heater (Vaillant VED E 18/7) stopped working when I switched a breaker off. Upon opening the casing, I found out two things: 1: The water intake pipe has a small white discoloration and seems ...
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1answer
57 views

Can I extend a tub/shower diverter nipple?

I need a longer non-standard tub/shower diverter in a finished tub surround. The threaded nipple I have now is short (works, but spills onto the overflow). Question: How can I extend that nipple? I ...

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