Questions tagged [pipe]

For questions generally relating to hollowed out materials used to convey a liquid, gas, or other fluid substance.

72 questions with no upvoted or accepted answers
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88 views

What’s the best way to connect my 3/4” gas line to my 3/8” grill hose?

I just had a natural gas line installed in the outside wall of my house. It has a valve and a female 3/4” connector. My natural gas grill has a hose with a 3/8” connector. How can I best connect ...
2
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1answer
111 views

What is this pipe in my basement?

I have a lot of water coming into my basement from a line that is next to where my water pump feeds into. It has been raining a lot lately. I found a pipe in the basement that looks like it could be a ...
2
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1answer
388 views

Is 1/2" flexible gas pipe adequate for a 22000 BTU clothes dryer?

I have 1” black iron pipe running just shy of 40’ to a manifold. The manifold then has one run of csst coming off it to my furnace. I then have 4 more ports I can run off for new appliances as I ...
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0answers
56 views

Spacing of underground pipes with differing freezing points

I need to run a variety of electrical and plumbing from my house several hundred feet to the site of my future pool and pool shed. Included in this is geothermal piping, connecting my house geothermal ...
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0answers
199 views

Upsizing a Gas Line

I currently have a natural gas pipe coming into my house with a 1" diameter. It currently terminates after about 20' and supplies a hot water heater (33,000 BTU) and a furnace (60,000 BTU). I want ...
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0answers
277 views

How can I prevent my condensation tubing from freezing outside?

I apologize if I missed the answer for this. My plastic condensation drain tube froze outside and the water in my condesation pump could not drain correctly. I hardly touched the tube and it snapped ...
1
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1answer
32 views

Need help with water valve/cartridge removal

Trying to replace hot water leaking cartridge and having problems removing old one out. I was able to unscrew the top part but insides stuck and won't come out easily. I've tried to force it but ...
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0answers
50 views

Great Stuff Foam sealed gas pipe, fire safety

So I have a pipe penetration problem at the gas pipe. I hired a contractor and he decided to use great stuff to seal the gap. Would it be a fire safety problem? Thanks,
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2answers
271 views

What is this pipe in my garage for?

I measured it and it would come out under the cement where I approximately marked in red in the next picture. The main house sits on the other side of that cement walkway. My only guess is it has ...
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1answer
100 views

Do I need a pump for my sprinkler zones that are minus 70 feet elevation?

I have a water tank on a hill and some lawns to water at the bottom of the hill. The pipe that connects those two is a 2.5" pipe (yes, really) and when I attach a pressure gauge at the bottom of this ...
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0answers
228 views

How to adjust shower drain height after replacing shower base?

I just pulled out my shower base to replace with a completely new base. Now I have no idea if the height of this will fit: Few questions: How do I remove or cut this top piece? I assume (C) is the ...
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0answers
89 views

160mm pvc pipe running through a deep concrete pour - will it crush?

I have am unusual situation. I had to use 160mm pvc pipe to create a wide duct for services connections that must pass about 500-660mm deep through a new footing that's about to be poured. The pipe is ...
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0answers
81 views

Connect washing machine drain pipe to existing outlet

I am trying to install a washing machine next to our boiler. I don't have an SDS drill so I'm trying to get away with not drilling a hole in the cavity wall. There's an existing hole through the wall ...
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0answers
176 views

How to fit 3 pipes into 1 laundry box drain?

I am trying to install an LG TwinWash washer + pedestal washer combo in a new 3-story townhome. Laundry room is on the 3rd floor. The 2-washer combo requires 2 drains. LG supplies a part to merge them ...
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1answer
745 views

Retractable faucet stopped working suddenly

This faucet is less than a month old, so this is not about any sort of build up in rust or minerals. I have used it less than ten minutes before it failed. Here is what I tried so far: Checked other ...
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2answers
86 views

New 1/4in plumbing shakes when cold water shuts off; worried?

I had a 1/4in line run from my basement to a new kitchen refrigerator, using a saddle valve coming directly off the 3/4in main (it's the first tee off the street essentially). Every time cold water ...
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2answers
113 views

Why does my water pressure / flow rate drop sporadically?

This is a recent problem that I've noticed since Hurricane Harvey came through a couple months ago. No flooding in the house, but there was 1-2' of water on the street, which did cover the water meter ...
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1answer
1k views

Not sure on assembly of shower faucet

I have a faucet similar to this one: Unfortunately, the pipes were not secured very well behind the enclosure, which I assume is a common problem. Specifically, the valve is not mounted to a cross ...
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0answers
237 views

Can I move well pipe from under front steps and still satisfy Connecticut code?

I have a problem with my well pipe - it leaks in the spring (when snow melts). As you can see from image below - multiple hack repairs were attempted by previous owners. I was going to excavate the ...
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0answers
106 views

Clay drain pipe repair

I was digging up a foundation and broke some parts of the top sewer pipe. The pipe is encased in concrete so not easy to replace. How can we repair the hole without replacing the pipe?
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98 views

Should I leave water in my galvanized radiator pipes when permanently removing boiler?

I have switched to using a ductless heat pump for heating and am planning on removing my gas boiler but leaving the hot water baseboard radiators and 65-year-old galvanized pipes (in the crawlspace). ...
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0answers
40 views

Correct piping for summer water supply outdoors?

I have a summer cottage, which is not used in winter, when the temperatures can drop to -20C (-4F) and lower. Currently for water supply there is some existing ~7-9m (29ft) driven well (I hope that'...
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0answers
177 views

bathroom sink drain line

My bathroom sink drain was clogged. Since drain stop had been out, figured something fell down hole into p trap. Anyway, when I went under sink, learned P Trap piece was connected to pipe with ...
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935 views

Stop water leaking from polypropylene pipes joint

How to stop water leaking from the joint (fitting) of two polypropylene pipes for water. The connection between the two pipes is made by heating the pipe end and the inside of the fitting and then ...
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0answers
925 views

Cut pipe or remove ferrule using tool when replacing compression valve?

I have been changing the valves under my sink and I was wondering what is the best course of action? I've attempted to remove the ferrule on two of the pipes and it wouldn't come off. (I had no tool ...
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0answers
503 views

How to unclog water pipes clogged with algae in well water system in Florida?

My house is on well system, and it seems that algae build up is now affecting my water pressure. All pumps pressure are fine. It started suddenly with one facet and now few days later seems like is a ...
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0answers
411 views

How can I determine which pipe is the drain and which is the vent in rough plumbing?

My basement has the below slab drains pre-piped, but just capped off. Coming up through the slab is a 4" cast iron pipe (toilet), (2) 2" pipes sink/vent and then a 10" or 12" square filled with stone ...
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0answers
4k views

Can this 4'' PVC perforated sewer pipe be used for a french drain?

I would like to use PVC pipe instead of corrugated pipe. I went to HomeDepot (Canada) to see what is available and the below is my only choice. I don't think this will work as is since the lateral ...
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1answer
598 views

What type of chimney liner and vent pipe are required for a wood stove?

I am working to rehabilitate an old chimney for use by a wood stove. There will be approximately 18 ft from the wall chimney socket (this is probably not the correct name for it) to the chimney top ...
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26 views

Uneven Pipe in Bathtub, Drain Post won't screw back in?

Bathtub got clogged and we have a push-pull tub stopper, so I used a pop up drain wrench, and was able to unclog the tub after using a drum auger. However, putting the pieces back in has been ...
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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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62 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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45 views

Can there be bad unions?

1 inch brass union continues to leak with proper pressure and pipe dope. Is the union bad? How do I check?
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1answer
42 views

In a house with baseboard heat, how can I tell where areas I need to heat in the winter to prevent pipe freeze?

All, I recently purchased a property in the mountains as a vacation home. It is two stories plus a basement. It has no central air, and just electric baseboard heat. It is at a rather high elevation ...
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0answers
24 views

Is my CH/HW fully pumped? Is it two-pipe?

I'm having problems understanding the exact configuration of the CH/HW piping in my house. In particular, I have to understand where and how to place piping for additional radiators at the upper floor....
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0answers
19 views

Arranging and venting a waste pipe branch

I recently got ground floor piping extended to get drain, hot and cold in a first floor room. Only the pipes are there, but I'd like to install a sink and a washing machine as from the (VERY schematic)...
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17 views

Question about replacing threaded brass plumbing fittings having one union

In front of my old 1950s house, I have the main water pipe coming up from the ground, going through a pressure reducer, shutoff valve, and hose spigot before two right angles then going into the house....
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102 views

Broke outdoor spigot from its pipe, discovered pipe is PVC instead of metal. How to repair this?

This spigot comes out of my walkout basement wall outside (with plastic sidings). It had this stupid anti-siphoning attachment that restricted water flow, so I tried to twist that off and broke the ...
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0answers
12 views

Is there any reference (or probably web/online calculator) to figure the size for downspout pipe for a known flow rate

The total flow rate of water collected by the gutter of my roof is known (50 L/minute). I need to figure the safe size for my downspout pipe for this roof. What's the minimum diameter for the ...
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0answers
168 views

1/4 inch plastic water line to 1/2 inch refrigerator connection

I am on the last step of installing a reverse osmosis water filtration system underneath the kitchen sink. After the water is filtered, I have two options; connect the final blue 1/4 inch outer ...
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0answers
26 views

Sediment buildup in water heater from downstairs flat

I recently moved into an apartment that was built in the 60's, and can hear a "popping" noise from the bathroom wall, almost constantly. After doing some investigating, it looks to be sediment build ...
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1answer
63 views

Accessible gas pipe union

I have an 8x8 opening in a wall with a small panel door and currently it holds the supply gas pipe valve for the house. The pipe then exits the wall and becomes exposed in a room. I would like to make ...
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0answers
26 views

Installing new gas water heater

I want to install a new gas water heater in a different location then my current Electric water heater. It will be more central to both bathrooms. The proposed location is shown in blue here: I will ...
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1answer
117 views

attaching a coupling to a copper pipe

I am trying to install a standing bottleless water filter in my house and the hoses beneath my sink are incompatible with the adapters that come with my filter. My fridge does not have a water ...
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1answer
47 views

Losing pressure on cold side when other faucet is on

What I have is that when I turn on the kitchen faucet to warm while washing dishes and someone uses the toilet or cold water on another faucet then the kitchen faucet gets very hot. I am on city water ...
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17 views

Low cold water pressure

On Sunday night my pipes froze. When I woke up on Monday morning a pipe had burst in my well house area. I had a pipe fitter come out and fix it. Ever since then, I have low water pressure in both ...
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85 views

What is this pipe?

I discovered a 12" diameter concrete pipe traveling vertically from the basement to the attic of a one story house. The pipe is lined both internally and externally with metal. I would like to know if ...
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1answer
66 views

Fixing pipe/tube from dishwasher to disposal

Photos attached. This seperated today and caused a mess. I have no idea how this was originally connected. There is a copper pipe inside of a black tube. I believe the black tube was clamped to the ...
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0answers
33 views

How to identify what outdoor pipe is for sprinkler system?

I am planning to add a shut off valve from a hose bib to the sprinkler system. I am having some difficulty identifying what the pipe to the left (image below) is or what it does! Seems random - but ...
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3k views

Pipe Dope (or Tape) on a Propane Cooktop

I have a Koblenz propane cooktop in my cabin and it recently developed a gas leak. Here's a video of my soap test https://youtu.be/uhKAhUsWaUY. The manufacturer says I should use pipe dope (or tape) ...