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

learn more… | top users | synonyms

4
votes
2answers
1k views

Is this shower trap better than a P-Trap?

Here in Brazil almost all shower and floor drains are made using a device that translate as "siphoned box" and work as a trap collecting water from the sink, tub and shower. Is that any better ...
4
votes
1answer
145 views

What's this top part of this faucet used for?

This is a faucet coming out of a wall in my backyard. What is that top white round part used for? What tool is used to screw/unscrew it?
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 ...
4
votes
1answer
555 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 ...
4
votes
1answer
3k views

How can I fix a sink drain stop which won't hold water?

I have a bathroom sink & fixture which are about a year old. The drain has worked fine, until about a month ago. Recently, any water I try to hold in the sink slowly leaks out. This is mildly ...
4
votes
2answers
2k views

Do I need to replace my hot water tank's pressure release valve?

Recently we had an extended water outage. When water came back, pressure in the lines was much higher. The hot water heater started leaking from the pressure release valve and after flipping it a ...
4
votes
1answer
94 views

Questions concerning dual flush converters

I'm considering purchasing dual-flush converters for our toilets and was curious if anyone had thoughts on them. Specifically, I'd like to know: Are there any major disadvantages to using them? ...
4
votes
3answers
219 views

Where do I begin finding estimates for problems with my potential first home?

I'm looking at purchasing an older home as a primary dwelling. On going through the house with an experienced Realtor and several experienced DIY people for reference (but not a home inspector or ...
4
votes
2answers
379 views

Any difference for a pressure-assisted toilet?

Can a gravity flush toilet be swapped out for a pressure-assisted toilet? Are there any differences in plumbing, mounting, etc.?
4
votes
2answers
1k views

How do I install a water line to my refrigerator?

Recently bought a new refrigerator that has an ice maker and now I want to run a water line to the refrigerator (there is not one there right now). The cold water line is pretty much right below the ...
4
votes
2answers
5k views

What are the advantages and disadvantage of using “pushfit” pipe fittings?

There are many makes of pushfit pipe fittings that make it a lot easer to join pipes, incluing copper pipes, e,g: John Guest Speedfit Cuprofit®- copper push fit Hepworth-HEP20 (please expand the ...
4
votes
3answers
4k views

Do I have to bury PVC pipe if used outdoors?

I will be installing a hose spigot in a lower patio area that, till now, has had to have several lengths of hose to provide water for some potted plants. There is an existing spigot on a 3/4" copper ...
4
votes
2answers
224 views

What could cause poor drainage in the kitchen and baths?

After having my septic system (tank) cleaned about a month ago, I've noticed a foul odor in the bathroom of the master bedroom. I've also noticed the smell outside near the master bedroom. It's not ...
4
votes
1answer
4k views

What are the relative merits of stainless steel vs. granite composite sinks?

I am about to begin a project to install a bar sink. I am debating between granite composite, such as the Blanco, and a conventional stainless steel sink. In either case, the sink will be mounted ...
4
votes
1answer
228 views

Does a dishwasher require a disposal?

I'm thinking of installing a dishwasher. Unfortunately, my kitchen layout would not allow me to install it beside the sink (without moving the whole sink & cabinet). So, I'd like to install it ...
4
votes
1answer
4k views

Do waste water pipes for kitchens and bathrooms require a minimum slope to avoid clogging?

When I had a dishwasher installed, the plumber refused to install the waste water pipe horizontally, saying that this would get it to clog all the time. He left a roughly 1:10 slope on it. I thought ...
4
votes
3answers
667 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 ...
4
votes
2answers
677 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 ...
4
votes
1answer
666 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
2answers
8k views

Proper way to attach tapered, threaded connections?

I've been ripping out the PB water line throughout my house and replacing with PEX and a bit of copper piping. However, the few threaded fittings each have very slow leaks. Above the water tank I ...
4
votes
1answer
10k views

How to fix a bathtub faucet that leaks only when the shower runs?

I just moved into an apartment and the faucet in the tub is fine when all of the water is off. It leaks when I turn on the water and switch it to the shower head. What could be the problem? It's a ...
4
votes
3answers
3k views

Should I test the water in my house for contamination?

I live in a house that was built in the 1930's. I'm paranoid that the old pipes for hot and cold water(for the kitchen, shower, etc..) are contaminating the water. Is this something I should be ...
4
votes
2answers
17k views

Why is my new hot water heater making a clicking noise?

I have a relatively new water heater (installed by previous owner). I've only been in the house a few months and did not notice this noise until after being there a few weeks. What happens is after ...
4
votes
1answer
761 views

Should I use 1/2“ or 3/4” fixtures for a new shower?

I am having a new shower built along with a new bathroom altogether... I selected Grohe hardware and wanted to know if I should go with the 1/2" or 3/4" since I will have a rain shower, hand held ...
4
votes
1answer
9k views

How does one know if a well pump is “Short Cycling” or pressure tank is water logged?

Is there any calculation that can be performed to estimate the amount of water a well water pressure tank should output between pump cycles? E.g.- I have a 40 gallon pressure tank (non bladder) with ...
4
votes
3answers
2k 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 ...
4
votes
4answers
24k views

Why is my two month old dishwasher exuding a terrible smell?

In July I purchased a new Whirlpool Gold Series dishwasher model WDF750SAYW1. The machine has done a great job cleaning dishes, but in recently has begun to emit a terrible smell. The stench is not ...
4
votes
4answers
8k views

What is causing a cat urine smell in my bathroom?

My bathroom has started smelling like cat urine. We have NO cats. I think the smell is coming from the shower drain. What could this smell be coming from and how do I get rid of it?
4
votes
4answers
10k views

How do I repair my cracked shower pan?

My shower pan, made of gel-coated fiber glass, has three cracks, as shown in the photo below. The cracks radiate fairly straight from the drain in the center at twelve, four, and eight o'clock. (All ...
4
votes
1answer
424 views

What is this pipe called, and how does it work? (Round II)

OK, thanks for people's help on my last question, now I've confused myself again. I came across this picture, similar to the last question, but I don't think it's a cleanout. It looks like a vent to ...
4
votes
2answers
2k views

How do I connect 1/4“ plastic tube to 3/8” plastic tube?

I am installing a R/O filter under my sink. The drain for the waste water attached to my dish-washer drain hose provides a 3/8" connection (Watts Premier 164020 DLA-D Drain Line Plumbing Adapter). ...
4
votes
1answer
1k views

How do I keep water from getting in and out of a dishwasher drain air gap?

I have no idea what this is called, so I apologize for the vague title. If someone knows what it is, feel free to edit it. When I turned on my dishwasher (just moved in), water started spewing from ...
4
votes
2answers
1k views

How do I fix this leaking tub faucet?

I have an old tub/shower with 3 handles in it (hot/cold/shower on) that are all twist knobs. The hot or cold can not fully disengage because they are a bit older and have some sediment built up in ...
4
votes
1answer
535 views

How should I use a plumber's snake?

How should I use a plumber's snake if my kitchen sink drain got clogged? Are there any suggestions on when this device is applicable and how to use it?
4
votes
1answer
2k views

How can I replace my main water shutoff valve?

I just recently purchased a house that was built in 1979 with galvanized plumbing. The water main just outside the house looks like this: I'm planning to replace it, but I want to make sure it's ...
4
votes
1answer
1k views

Can I grind a shallow channel in my basement concrete to correct the height of a shower drain pipe?

Long story short - the people who finished the basement bathroom did so without a permit, and they made full use of the fact that their work wasn't about to be inspected or subject to building codes. ...
4
votes
3answers
5k views

How do I diagnose weak water flow from tub faucet and shower?

I have a shower that has very low flow from the hot and cold water and also from the shower when you turn the valve to switch it to the shower. All of the other fixtures in the house have strong flow ...
4
votes
1answer
520 views

Why is water only coming through the handheld hose?

I have a hose at my kitchen sink, installed alongside the cold water faucet. Every once in awhile when I press the hose trigger, it becomes stuck and will not return to the off position ...
4
votes
1answer
199 views

How can I prevent a faucet retaining nut from freezing to a steel washer?

My real question, after several hours spent removing the old faucet (progressing from tapping the basin wrench with a mallet, to an overnight soak in penetrating oil, to cutting it off with an air ...
4
votes
1answer
788 views

Do I need to install the grounding clamp on a water softener if both input and output are PEX?

We are installing a Whirlpool water softener in a new home with PEX water lines. The installation manual says to place the supplied ground clamp over both inlet and outlet water lines. As I mentioned ...
4
votes
2answers
3k views

Why does my kitchen faucet suddenly have too much water pressure?

I have a single lever Kohler kitchen faucet. The water comes out with so much pressure that if I am trying to rinse anything it makes water spray everywhere. The faucet has not always done this. Is ...
4
votes
2answers
132 views

Copper tubing for refrigerator

My copper tubing for the water line to my refrigerator became slightly bent while I was installing it is it a big deal should I buy new copper tubing?
4
votes
1answer
7k 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: ...
4
votes
1answer
1k views

How to drill and waterproof a hole in cinder block for PVC drain?

I have a new electric hybrid water heater that emits condensation from a drain tube (normal) which is a bit different than a traditional electric water heater. Right now I have a bucket under the ...
4
votes
1answer
898 views

How do I turn off this sprinkler valve?

We just purchased our home this summer, so I've never gone through the process of turning off the sprinklers for the winter (we're in Utah, so hard freezes are possible). The stop-and-waste valve is ...
4
votes
3answers
355 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
2answers
737 views

Can (and should) I replace the hose connecting a cold water expansion vessel to the cold water supply myself?

We recently had a small flood in our apartment. I found that the metal-sheathed rubber hose connecting the cold water supply to the blue cold water expansion vessel had a wide split in it. The water ...
4
votes
3answers
2k views

Is it possible to buy just the fins or the copper pipe with fins for baseboard radiator?

I have a project to build and I want to use finned tubing (like in baseboard radiators) but I am unable to find the tubing without buying the enclosure as well. (This is for a hobby project - I want ...
4
votes
2answers
208 views

Graywater overflow plumbing… which design to choose?

I'm working on replumbing my utility room and I'm adding a graywater system. Local codes are remarkably permissive but require an overflow to the sewer/septic system in case of graywater blockage or ...
4
votes
1answer
438 views

What are the differences between an expansion tank and a pressure sensor?

We have a red expansion tank in our building. We have so many problems with this tank. Every 3 months we have to change the tanks tube because the tube is perforated every 3 months. Now an expert ...