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

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2
votes
2answers
73 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 ...
4
votes
3answers
14k views

How do I calculate the takeoff for a 45 degree elbow joint?

I'm trying to install a 45° elbow joint in PVC. I've found several suggestions online, but frankly, they are incomprehensible to me and seem contradictory of one another: http://wiki.answers.com/Q/...
2
votes
1answer
51 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
2answers
30 views

Dishwasher drain backing up into sink

Just a couple days ago my kitchen sink started to get clogged and now won't drain. My sink is divided into two sections; both will fill up with water. When I run the garbage disposal, the sink with ...
1
vote
1answer
177 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 ...
0
votes
0answers
12 views

How to fix leaky plastic to metal adapter?

I have a drain pipe for my 2001 camper, that goes through the bottom of the camper. Attached to the bottom of the plastic hose is a threaded female adapter that rotates 360 degrees: There is a ...
1
vote
1answer
119 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 ...
2
votes
1answer
172 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 ...
1
vote
1answer
248 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 ...
4
votes
1answer
125 views

Hot water temp in shower/tub fluctuates

I live in a condo that has 13 units in two buildings and am the president of the board. A few months ago we had a new water pump installed in our boiler room. Shortly after that all three units in my ...
3
votes
1answer
198 views

Why is my toilet tank filling too slowly?

The inside of my toilet tank was just replaced. For some reason after I flush, the tank refills much slower than before. It looks like the person who installed it put the overfill pipe in a different ...
0
votes
0answers
30 views

Where's a Good Place to Learn to Sweat Solder Copper Piping and Joints? [on hold]

As a still relatively new (1 year and counting) homeowner, I've tried to pick up a number of basic home improvement skills in the last year to assist with repairs around the house. I know enough now ...
2
votes
2answers
130 views

How to fix a poor plumbing installation resulting in severe odor problems?

After reading this related question and check that the wax seal is ok, I assume I have a problem with the trap, but where's the trap? The outline of the plumbing in my home (a bit simplified) is like ...
0
votes
1answer
31 views

Knocking well pipes

As my well pump shuts off after getting up to pressure I can here the underground pipe that goes to the well point "knocking". There is a check valve on the inlet of the pump and possibly another at ...
2
votes
3answers
398 views

What is this bathroom basin tap connection and can I replace it myself?

A few months back I had a problem with the cold tap in my upstairs bathroom — no water would come out after turning it on. I also noticed that the flexible tap hose underneath the basin was damp and ...
4
votes
5answers
30k views

Sink tailpiece doesn't line up with trap

After installing a new bathroom sink, the drain tailpiece doesn't line up with the trap coming out of the wall. I've seen flexible accordion hoses for this, but I think that violates code (P3002.3.1)....
3
votes
2answers
11k views

How do I seal my shower escutcheon plate to prevent it from leaking?

I have a leak that's going from my upstairs bathroom tub/shower to my downstairs bathroom ceiling. The leak occurs only when someone is using the shower or tub. I had someone open up the ceiling and ...
0
votes
3answers
87 views

Why is my shower head pressure low?

I have two bathrooms back to back. one with a tub and shower and the other is a walk in shower. Both have the same shower head. One has super pressure, the other is eh. What do you this ...
-1
votes
0answers
16 views

My OLD bathtub is clogged

I need some help. I have a really old tub, maybe late 1920s tub, It doesn't have a overflow trap/drain and it is clogged. Ive tried a plunger, used a snake (about 25feet of it) and finally used Drano. ...
0
votes
1answer
33 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
1answer
259 views

Where are these flies coming from?

We recently had a sewer fly infestation caused by having a cracked mortar collar on the rest bend of the soil stack which runs through the upstairs and downstairs bathrooms. I removed a good portion ...
2
votes
4answers
7k views

Do I have to increase the water line diameter all the way to the water meter?

I have a 1/2" water line into my house from the meter. I would like to change that over to use a 3/4" or a 1" line into my house. Do I need to replace all the 1/2" pipe back to the meter with my ...
0
votes
2answers
32 views

moving electric water heater to old shower cove

doing extensive remodeling of a small (1400 sq ft) house. I want to move the electric water heater to an old shower cove. Getting the wiring there will be easy (its about 5 feet away and all the walls ...
0
votes
1answer
25 views

Toilet will not flush and has Air Bubbles

Toilet will not drain when flushed. If I use a plunger for 5 min I can get the water to drain to normal level in the bowl. If I turn on the water to the bathtub and sink both sandwiching the toilet ...
0
votes
1answer
98 views

Water heater not filled with water before being turned onto hot setting

I had a new water heater installed by a local handy man plumber. My initial concern was tank had 3 dents in it. Was on phone with company (Sears) re: dents, so plumber was delayed some due to phone ...
1
vote
1answer
146 views

Identifying a metal item buried in my backyard

I was digging up a bush stump so we can pour a concrete pad for a condensing unit. As I dug I uncovered the top of a metal object approximately 3-4ft long and 1.5 feet wide. It's made of some kind ...
1
vote
1answer
19 views

How to isolate a baseboard heater circuit, drain, purge?

I am renovating a kitchen and in the process have a need to remove a baseboard heater from a wall that will now occupy cabinets. The removal is straightforward and will take 10 minutes tops. However I ...
0
votes
1answer
31 views

hot water pressure in bathtub

Works fine through rest of the house. Its a mobile home n the water pressure was fine until water lines froze. Have replaced tub fixture n checked for leaks. Anything else that I can check
0
votes
0answers
22 views

How far to rough in sink

When roughing in a sink, how far should I extend the 1.5" PVC into the room (i.e. through the drywall). Seems like if it goes past the framing, the drywallers are going to have to cut the hole before ...
1
vote
2answers
3k views

Why is my Sterling three handle shower tub faucet leaking?

I have a three handle shower tub faucet that has leaked for years. I replaced the stems last year, but recently learned that the stems the hardware store gave me to use were the wrong ones. I brought ...
0
votes
1answer
24 views

Cheapest way of adapting G1/4 sensor to 1/2" NPT

I'm in the research stage of building an RO system for an RV, relatively cheaply. I live in the U.S. The membrane housing has 1/2" FNPT for water intake, and I would like to connect a pressure sensor ...
0
votes
1answer
50 views

Hot water and cold water switched in shower

I recently bought a house and in the master bathroom the hot and cold water seem to be reversed. When I turn the dial left, the hot water comes out first with very little pressure. As you continue ...
0
votes
1answer
58 views

Water Supply Noise due to Thermal Expansion?

I have a plumbing issue that I'm looking for suggestions on. After using a substantial amount of hot water (say, a long shower + washing laundry) I will hear a loud rumbling / vibrating sound ...
2
votes
2answers
330 views

Our hot water heater is gas, and it only has low med. and high temperature settings. Which setting is the safest to use for our home?

Our hot water tank is gas, and only has high, med, and low temperature settings. Which one is the safest setting for our single home?
1
vote
1answer
36 views

Can I split off a pipe to create an additional faucet in my basement?

I've been madly googling this question, but either this is not a thing anybody does or I can't find the words to express it well enough to get an answer. I have a home hydroponics setup for growing ...
2
votes
1answer
151 views

Loud gushing noise when neighbour runs their faucet

I live on the 2nd floor of an 11 floor condo. Lately I have heard a loud gushing water sound under my kitchen sink when a neighbour runs their water. This occurs every time the neighbour turns on ...
0
votes
0answers
40 views

Hot water tap bangs and pressure is reduced

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.
1
vote
2answers
60 views

Replacing Ceramic Toilet Cistern

I have a damaged toilet cistern which is beyond repair. I was wondering if I was to install a new cistern how I would know my new one would be 'compatible' with my current set up? Is there a degree of ...
-1
votes
0answers
37 views

Why is there yellow water and how to solve this? [closed]

the water (hot?) in our building looks yellow. Is there some of product that will help clean or protect against whatever is causing this? Can we clean or flush out the pipes/water heater to resolve ...
9
votes
9answers
59k views

How can I prevent or remedy “bio slime” accumulation in a sink drain?

The drain in the sink which we use for mouthwash consistently gets clogged by a very repugnant slime. I've tried all the common drain unclogging products (Drano, Liquid Plumber) as well as some non-...
0
votes
2answers
64 views

Stinky air when I turn on the bathroom faucet…what is causing it? [duplicate]

The sink is pretty close to the toilet...about 2 feet away. I've noticed that often times when I turn on the faucet (either hot or cold), I smell a sewer kind of smell. What could be causing it? I ...
0
votes
1answer
38 views

Water running in basement floor drain but no faucets or toilets are running

I can see/hear water running through the pipe just under the basement floor drain in the laundry, furnace and hot water heater room. Nothing is turned on in the house. If I turn off the main water ...
9
votes
4answers
115k views

When should pipe dope vs thread tape be used?

For threaded plumbing connections, you typically use pipe dope or thread tape (aka teflon tape). Are there situations when one is preferred over another? Does the size of the pipe, type of pipe, part ...
0
votes
1answer
40 views

Testing older anti-scald valve for correct function?

Would it be acceptable to do the following: 1) Turn on water at shower valve. Set temp at > 100F. 2) Turn off (or drastically lower) cold water upstream. 3) Measure Temp of water < 120F.
1
vote
1answer
41 views

Gurgling pipes after shower

After taking a shower and then flushing the toilet, we get gurgling sound in the kitchen sink. We have had the plumbing snaked which didn't help, kept happening. Then the plumber jetted the entire ...
1
vote
2answers
359 views

Hot water issues in the apartment and plumbers are stumped?

We have a unit upstairs in a 4-plex. The other units don't have any issues, but hot water recently stopped working in this apartment. Rarely water might get hot or warm but goes cold again. When the ...
0
votes
0answers
25 views

Best configuration for an outdoor hose extension

I created a hose extension simply using ordinary garden hose attached from the house spigot to a spigot mounted to a vinyl fence post. After 2 years, the garden hose has burst and I'm looking to find ...
3
votes
1answer
44 views

How low could kitchen sink sewage inlet go?

A plumbing book I have says a kitchen sink sewage inlet should be at 16" above floor. I would like to set it a little lower (e.g. 12") in order to make more room around water stubouts for plumbing as ...
1
vote
1answer
32 views

I have no idea what to do with the toilet water, plumbing issues?

I live in a trailor in Alaska. There is water coming out of the toilet bowls. At first it was clear, and I don't know if it because we are washing laundry at the same time as trying to unplug the ...
0
votes
2answers
339 views

Hot Water stopped working in Kitchen Faucet

In the process of a failed attempt at fixing our dishwasher, I turned off the hot water valve beneath the sink. After turning it back on, the hot water side of the faucet no longer works! Our faucet ...