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

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0
votes
1answer
68 views

In slip joints, what's the difference between rubber and nylon washers?

I've put together a few different drain fittings, and usually seen nylon tapered washers that seal the slip joint. But this time, when I bought a sink tailpiece extension, it came with a square-cut ...
1
vote
1answer
49 views

How to avoid spinng sharkbite on moen spout? [closed]

What new spout did you get to avoid the sharkbite to moen connection?
1
vote
1answer
53 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 ...
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0answers
24 views

Economy 7 single element immersion heater

I just start renting a property which has electric heating. It runs on a type of economy 7 tariff. Just before I moved in the landlord fitted a new immersion heater replacing the old one. The ...
1
vote
1answer
54 views

How can I stop this drain pipe from backing up?

In my basement laundry room is (to my knowledge) the only drain pipe in the whole basement, which hooks into the end of the main line as it exits the house and heads to the septic tank. When we moved ...
2
votes
2answers
87 views

What can I do if drain alignment doesn't allow enough space for p-trap?

I'm remodeling my bathroom. The sink drainage come up from the floor. The alignment between that and the drain coming from the sink doesn't have enough space for a p-trap to be installed so it just ...
2
votes
3answers
194 views

Fix lead joint between cast iron and galvanized steel plumbing pipes?

I took out my bathtub to replace a rotted wall behind it, and the drain pipe fell out. (Yes, I unscrewed the drain fitting before removing the tub.) The joint under the concrete slab, where the ...
2
votes
3answers
93 views

How do I patch an in-ground ceramic drain pipe?

So tonight I was digging a post hole for a new fence tonight. And as I'm digging the hole I hear a hollow thump, crack. Behold: This pipe is a downspout drain pipe that runs from the front of my ...
0
votes
1answer
205 views

How do I make sure that a new washing machine doesn't overflow?

My house suffers from a chronic lack of planning on the part of the designer. For example: the piping to my washing machine is both too small, and angled so that the water has to run uphill. This ...
0
votes
1answer
68 views

Why would a lawn irrigation pipe slope down to nothing and just end?

In my lawn sprinkler system, one of the PVC lines starts off at a normal depth around 6 inches but slopes down and ends up 2 feet down and leads to nothing. The pipe just ends, not even capped off. It ...
3
votes
4answers
3k views

Can a plumbing vent go “up” and then back “down” to the connection with the vent stack?

I am changing the location of all the fixtures in my bathroom. This move will put the toilet and sink on the opposite wall from the stack. I was originally planning on running a vent up the wall ...
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0answers
16 views

How to identify location of intermittent water leak?

In the master-bath I have an over-sized tub and separate glass shower stall that are right next to each other, both on-top of sub-flooring / a crawl space. (Crawl space is because house is built into ...
4
votes
1answer
1k 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 ...
5
votes
3answers
27k 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 ...
4
votes
4answers
14k 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 ...
1
vote
1answer
2k views

How can I attach an under-sink water filtration system to the water line?

I recently bought an under-the-sink drinking water filter, a model from GE, and I got stuck trying to hook it up to the cold water line. The package came with a simple plastic tee that had a 1/2 inch ...
1
vote
0answers
50 views

Can I run 2 well tanks from 1 well

I have a detached garage that is in between the well and the house. As it stands, the tank in the house is not sufficient for watering the lawn, and so I would like to get a bigger one anyhow. Since ...
0
votes
1answer
116 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 ...
0
votes
0answers
33 views

Why would 2 different sprinkler zones cause pressure at the pump to drop to 0?

Why would 2 out of 3 sprinkler zones cause the pressure reading at the pump to drop to 0? This is a well irrigation system and it is separate from the home's well. The pump is a 3/4 HP, has a flow ...
0
votes
1answer
31 views

Fixing a sink with multiple problems

I am interested in fixing the sink below, which has at least two problems: (1) the hot water handle leaks when the tap is turned on, from somewhere in the circled region, (2) no water flows when the ...
0
votes
1answer
28 views

Change direction between trap and vent

By code, I have 8 feet distance from a 2 inches trap to vent. These 8 feet must be straight? Can I change direction sideways or horizontal (sloped) to vertical and then horizontal again?
0
votes
1answer
47 views

Where is the pressure vacuum breaker typically located in a lawn irrigation system?

Where is the pressure vacuum breaker (or other backflow device) typically installed in a lawn irrigation system? Does it matter, as long as it is before the first sprinkler head? Or does it have to be ...
0
votes
2answers
33 views

What problems could be caused by putting mains water in to the pipe from a shared water tank?

I'm having a boiler replaced and have chosen a combi boiler. One of the benefits is mains water pressure hot and cold water where previously I had low pressure coming from a tank. The boiler is in ...
0
votes
1answer
63 views

Does PEX tubing need to be secured to attic joists?

I am slowly replacing my pin-holed leaking galvanized plumbing, piece be piece with PEX and Sharkbite connectors. The old galvanized is secured, in many places by both clamps and u-nails. What is ...
8
votes
4answers
7k views

Why do I have blue water coming out of the faucets?

We have an upstairs bathroom that we've gutted and are having some contractors remodel. The toilet is the only thing that hasn't been touched. We had a plumber come and redo all of the source and ...
3
votes
2answers
636 views

How can I add an ice maker water line?

I have the following setup with a T with a valve to an above sink water filter. The line from the T has one steel braided 3/8” line and goes up to the sink as 3/8”. The other is a thin PVC line ...
0
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0answers
47 views

Does PEX Plumbing Need Risers?

I am slowly replacing my galvanized plumbing, piece by piece with PEX and Sharkbite connectors, and it got me thinking: do I need to keep the risers?
28
votes
4answers
41k views

Why does my dishwasher back up into the sink, but running the disposal allows it to drain?

When my dishwasher runs the kitchen sink backs up. I have a two tub sink and only the side nearest the dishwasher with the garbage disposer backs up. Running the disposal for a few seconds causes the ...
13
votes
3answers
2k views

Are “1/4 turn” water supply valves more reliable than “multi-turn” valves? Or vice-versa?

Aside from personal preference, is there any reason why I would want to buy a "1/4 turn" water supply valve instead of "multi-turn valves"? Is one technology/design clearly superior than the other in ...
0
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0answers
27 views

How do I repair a water heater plastic drip pan and what supplies do I need?

How do I repair a hot water heater plastic drip pan, and what supplies do I need? Suggestions on who to call for repair if I can't do it myself?
0
votes
1answer
75 views

How can I remove the stench from a p-trap?

In my shower room, there's a hole that's always filled with disgusting, slimy water. What I've tried I've sponged it out a few times to clean, but that didn't really help. I've poured ...
0
votes
0answers
79 views

Why does my outdoor tap have a diameter of 1-1/4“ inches, not the standard 1”?

The outdoor tap for the front yard of our house has an outer diameter of 1-1/4" inches, so it is useless for attaching a garden hose. A standard tap is more like 1" in diameter. My question is: Why? ...
0
votes
2answers
88 views

How should I prepare this compression fit copper tube for use again?

(Apologies in advance folks - I'm new to compression fit connections so I suspect this is an obvious question). I'm preparing to reconnect an old copper tube to my water supply line and refrigerator ...
3
votes
1answer
113 views

What is causing the last two heads in a sprinkler/irrigation system to have no water pressure?

Zone 2 of my irrigation system has 6 pop-up sprinkler heads but the last two do not pop up, nor is there any water coming from them at all. They are completely dry, even in the flex lines they are ...
0
votes
1answer
129 views

What specific fitting do I need to connect a 1/4“ copper refrigerator water tube to a 3/4” steel water line that's already in use?

I recently bought a new refrigerator (Samsung RF263BEAESR) and am trying to connect it to my house's water supply line (under the kitchen sink). The prior owner of the house ran a copper line from ...
0
votes
2answers
52 views

basement plumbing

I have a cottage that until recently was on piers. The plumbing lines are at the base of the cottage as there never was a basement. The cottage was built in 1905. They are in the home stretch of ...
0
votes
0answers
40 views

Can I run heat tape on my water pipe behind drywall without hardwiring?

In removing the ceiling tiles in renovating our basement, it came to my attention that the first 5 feet or so on water supply line has heat tape on it. While we've had no problems with it freezing ...
0
votes
1answer
42 views

Is a push-fit end cap a temporary or permanent solution?

I am about to cap my water copper pipe with a Sharkbite push fit end cap. Is it a permanent solution? Or will I have to go with a torch?
1
vote
1answer
82 views

How does water supply enter into a pedestal house in cold climates?

I do a fair amount of traveling through West Virginia and other Appalachian destinations and I have noticed a number of pedestal houses (that stand on concrete piers, wooden posts or a combination of ...
0
votes
2answers
80 views

Why can't I get hot water quickly at my vanity sink?

Whenever I turn on the hot water, it takes 3-4 min to get hot water at the vanity. It takes 1-2 min. for the shower. I have a gas heater. Can it be fixed or does it need to be replaced?
4
votes
7answers
10k 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 ...
0
votes
1answer
50 views

How do I remove this exterior Water Valve cap?

How do I remove this exterior water valve cap? Bonus points for a name! Update: I cleaned it a bit more: I attempted to pry it but, I haven't made much progress: I also noticed this bolt but I ...
1
vote
1answer
118 views

Can I repair this crack in my sprinkler backflow preventer?

I have a crack in one part of my sprinkler backflow preventer/vacuum breaker. It looks a lot like this: Can I re-seal this crack? Or do I have to buy a whole new assembly?
3
votes
2answers
542 views

How do I reroute my existing bathroom piping for a pedestal sink?

(Similar to this question here) I am renovating a bathroom, and I'd like to put a pedestal sink in, instead of a full sized vanity. The primary issue is I would have to move the drain pipe, it is a ...
4
votes
1answer
498 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 ...
1
vote
1answer
68 views

Can I swap the positions of the toilet and bath tub?

We do not like where the toilet and bath tub are now located in the master bathroom. Can I place the toilet where the bath tub drain is now, and install a new bath tub where the toilet currently is? ...
1
vote
1answer
36 views

Putty around a new kitchen sink drain

This may sound too simple, but I know nothing about it. My kitchen sink drain was replaced and a small amount of putty comes off around the diameter. I know that is normal but am I suppose to let that ...
1
vote
1answer
57 views

Who do I call, roofer or plumber?

Last fall, I noticed my first floor kitchen had a leak that dripped down through the lighting fixture. This happened during a pretty strong rainfall. There is a bathroom above it but it had not been ...
0
votes
1answer
38 views

2 parallel drain pipes

Just opened a hole in my old house to replace some plumbing. I can see where the main drain/sewer stack comes down from the bathroom, but in parallel there's another galvanized? 2"? pipe coming down ...
0
votes
0answers
31 views

trouble fixing kitchen faucet

I recently had to replace the faucet/sprayer unit on my kitchen sink. everything connected fine, but when we turned it on, the flow side was very weak and the spray side just drenched us, spraying ...