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Questions tagged [pipe-fitting]

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What kind of thread is on this gas BBQ?

I have a gas BBQ that is missing the nipple to attach the gas hose. This is bought in Europe, and all the fasteners are metric, just this port has some weird dimensions. The major diameter of the ...
jnovacho's user avatar
  • 307
1 vote
2 answers
33 views

What connector/fix for garbage disposal plumbing?

I bought my home a few years ago, no problems. Lately when I run the garbage disposal the dirty water will spew out of this gap between the pipes. It looks improperly connected (it's not connected, ...
user188543's user avatar
1 vote
1 answer
41 views

Is this long thread male without stopper to female connection tight & leak free?

I want to connect this tap (see picture) to its valve and I have to use a 90-degree elbow (see right side of the picture) to be able to supply water from the top as well as to fix the tap on the wall. ...
Rub's user avatar
  • 11
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0 answers
25 views

Best way to join up d40 pipe from kitchen sink to sewer to fix leak

So this is the current situation. The corrugated pipe does fit into the sewage mains but every now and then it back leaks. I am hesitant between an O'Ring or a Pipe clamp. Could you let let know what ...
Daniel Vieira's user avatar
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0 answers
27 views

Bathroom Faucet arm extension isn't working

I have a Delta Uxbridge faucet that tried to put a rotating arm extension on. However it still leaks with the rubber gasket and plumbing tape. As a side note, I think I striped the plastic threads ...
RileyH's user avatar
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0 answers
26 views

Is this 1.2" vinyl tube on the 1/2" ABS pipe the correct size?

I have the following 1-1/2" to 1/2" ABS wye. Initially I connected a 1/2" OD vinyl tubing but this was way too small and I was told the 1/2" here refers to ID. So I got an 1/2"...
divB's user avatar
  • 1,355
4 votes
2 answers
472 views

What do I need to connect 1/2 and 3/8 vinyl tubing?

I am just trying to connect an 1/2” vinyl tubing (this one) to a smaller 3/8” version. I got this 1/2” to 3/8” barb reducer but it’s way too small and doesn’t fit. Why? Which part do I need instead?
divB's user avatar
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0 votes
2 answers
70 views

What can I use in place of missing coupling fittings on a used heat pump?

I picked up a Dream 8kW pool / spa heat pump which came without any fittings for the water in/out. The unit looks like this: The previous owner used a rubber coupling like this for his pond. I'm ...
MrNorm's user avatar
  • 133
0 votes
1 answer
182 views

Which part do I need to connect a 1/2" OD 3/8" ID drain pipe to an 1/2" dishwasher wye?

It sounds silly but it seems I can't just connect a 1/2" OD / 3/8" ID drainline to my 1/2" dishwasher wye. I purchased this one which should be 1/2" but I measure roughly 5/8" ...
divB's user avatar
  • 1,355
1 vote
3 answers
465 views

Pipes unscrew, but don't screw back together

I have a copper water pipe that had a plastic "reducing adapter" on it, which I believe is 3/8 inch x 1/4 nptf. I unscrewed it, and now I can't screw it back on. It feels like the copper ...
Dan R.'s user avatar
  • 199
1 vote
1 answer
332 views

which valve fitting / adapter combination can i use to connect my kitchen faucet and undersink water filter to my cold water line?

I purchased an underink water filter: KOHLER Aquifer Under-Sink Double Cartridge Water Filtration System I was using the plastic connection that came with it: Connected like so: The top connects to ...
user2285215's user avatar
0 votes
2 answers
57 views

How do I remove the fitting for this drain so that I can fit a base cabinet over top?

Let me start by saying I’m in no way a plumber, but I know some basics to get by and hoping this is something I can tackle myself. I just want to make sure I know what materials I’m dealing with, what ...
Dylan L's user avatar
  • 81
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0 answers
137 views

How do I connect outside shower drain to storm water drain?

I have an outside shower and its drain is connected to a dry well. Since we use this shower frequently when returning to the beach and it backs up quickly with the dry well (maybe 2-3 minutes in the ...
hammerman20's user avatar
0 votes
1 answer
146 views

Can I tighten taped and doped plumbing fittings after the fact?

I have a gas plumbing fitting that was properly installed with tape and/or pipe dope and has sat for two years, pressurized, with no leaks. Now we are building an assembly over the pipe and a ball ...
user227963's user avatar
  • 1,078
-1 votes
1 answer
324 views

How can I reduce the outer diameter of galvanized steel pipes by .1-.2mm?

Is there a way to take off.1-.2mm from a steel pipe (1/2 inch ID) I am building several desks and a table. I am using pipes for legs, but the inner diameter of the fittings I ordered is maybe .1-.2mm ...
Aaron J's user avatar
0 votes
1 answer
152 views

Disconnected my hot water supply line for the kitchen sink by accident, easy fix or call a plumber?

Sorry for the poor image quality. I was installing a water shut off valve for my kitchen sink, and I jostled my hot water line too much while doing the two wrench thing. Apparently pulled the pipe ...
1stHomeidiot's user avatar
11 votes
1 answer
1k views

Doping threaded gas pipes -- which threads are the "last" threads?

I've heard that to join threaded gas piping in my house, I should use either pipe dope or teflon tape rated for gas. Regarding the dope, I've been told to dope "all but the last two threads."...
theforestecologist's user avatar
0 votes
1 answer
76 views

Washing Machine Piping

I currently live in a top and bottom condo and had a washing machine installed (with the piping) last November. My downstairs neighbor has recently notified me that she has been getting almost all ...
user158841's user avatar
1 vote
2 answers
107 views

How to deal with pipes stuck to the wall?

I need to add a second water outlet to a pipe : I bought a T, but the pipe is very close to the wall, so I cannot screw the tee : I think the pipe is not only screwed to the wall by the visible ...
DevShark's user avatar
  • 569
3 votes
2 answers
743 views

How to prep oval 1” copper pipe end for sharkbite fitting?

I have a 1” underground copper pipe in tight quarters, not good access. The pipe is not perfect and looks oval. Is there a tool I can carefully insert in a 1” pipe to get it round again? Trying to ...
user1594257's user avatar
2 votes
1 answer
168 views

Having issues fitting 1-14 UNF threads from a gas cylinder

I'm working on a DIY system at home that involves parts from different locations and industries, which means I'm running into many thread adaptor-related issues. I have a gas cylinder that I'm trying ...
J H's user avatar
  • 21
0 votes
2 answers
293 views

What adapters do I need to securely connect a garden hose to this frame in conjunction with the water pump's 1/2" MNPT output?

What I need: A secure way to connect a garden hose to a water pump using lead free adapters and/or connections. The pump output is 1/2" MNPT and is positioned approximately 3"-4" from ...
giuseppe's user avatar
  • 101
0 votes
0 answers
96 views

Removing old copper threaded fitting to iron T fitting

I have a house with old piping. My well water slowly eats away at copper piping, so after 20 years, the old copper piping is failing. Most of it has been replaced. I am installing a new washing ...
awaykent's user avatar
1 vote
2 answers
476 views

Stainless steel NPT + Brass NPT = not a perfect fit?

I just completed laying irrigation piping (black poly) and by and large it seems solid. I do however have issues with the take-offs from my house's hose bibs, where I have metal risers going into the ...
Paul W's user avatar
  • 123
0 votes
2 answers
82 views

Fixing a drain pipe

I have a PVC drain pipe which has been snapped off while I was hanging drywall twice. Major setback to the drywall project, but now I cannot just saw off the offending parts and splice in new PVC. I ...
Matt's user avatar
  • 119
1 vote
1 answer
160 views

What is this fitting called?

I have a 1/2" female connector and need to know the name of the corresponding male fitting. The female is one end of a 3' water supply line for a bathroom faucet. I want to buy a 1/2" ...
Yehuda_NYC's user avatar
  • 1,361
1 vote
0 answers
609 views

How do you connect things to 1/4" PEX?

I'm currently doing research on an upcoming major re-plumbing project, and have run across a bit of a mystery... Lowe's sells these riser supply lines (faucet version, toilet version) that are ...
jasonharper's user avatar
0 votes
2 answers
2k views

Most reliable fittings for black poly to NPT for underground burial

Context: I'm putting in shallow (14" deep) water lines 500ft from my house to gardening areas where they will supply several hose bibs for take-off points for drip irrigation. I was thinking PEX, ...
Paul W's user avatar
  • 123
1 vote
1 answer
275 views

What pipe fitting do I need?

I just had a kitchen remodel done, and as part of that a plumber added a dedicated water valve for my espresso machine (see picture below). However, I can't seem to find any couplings that fit on this ...
peter's user avatar
  • 1,498
1 vote
1 answer
1k views

Are Compression Couplings for Galvanized Steel Good for Long-term Repair?

Not a plumber. Did swap out some elbows on 1/2" steel water supply with some unions, couplings, and threading what I cut out. But I noticed there were compression fittings like this on sale at ...
J D's user avatar
  • 682
1 vote
1 answer
616 views

Why doesn't this natural gas flared union connector fit?

I have a new outdoor grill that I'm trying to hook up to my natural gas line. The old grill had a 1/2" flare connector on the end that connects to the natural gas line and the new grill needs a ...
ixarka's user avatar
  • 11
2 votes
1 answer
43 views

Need name for handbasin fitting and sizing advice

I'm a newcomer to household plumbing and particularly have problems with the correct names for fittings etc. We have a leaky cloakroom handbasin. Directly on the basin outflow the ceramic is connected ...
PotatoCrisp's user avatar
1 vote
1 answer
165 views

How to install a shower pan drain with this non-standard drainage pipe?

I'm installing a shower pan (this one, to be exact) into my condo unit, but I don't think the drain pipe is a standard size. It's a metal pipe, here are some photos of it: I measured the pipe to be 1-...
Attila's user avatar
  • 111
3 votes
2 answers
3k views

How is this sewer vent pipe meant to be capped?

My house is connected to public sewer. There's a ~100ft setback between the house and the road, and in that area, there are two pipes I think are associated with the sewer. One is a white pipe coming ...
cr0's user avatar
  • 1,371
1 vote
1 answer
384 views

Can compression fittings for PE buried gas line be safely used without stiffeners?

I have a 1" buried PE gas line that I'd like to tap into for a gas firepit. The gas line supplies a few other things in the yard, notably a 400kbtu pool heater. From research, it seems ...
HikeOnPast's user avatar
3 votes
1 answer
170 views

Draining into open pipe in basement

When I bought my home, the basement dehumdifier hose was just draining into an open wye off a drain pipe in the floor which also goes up to the kitchen sink drain. Since then, when I had air ...
Michael Mior's user avatar
0 votes
2 answers
3k views

In copper sweat fittings, what is the minimum insert depth?

Copper sweat fittings typical come with about 0.5" (or whatever) insert depth for copper pipe? For example, Obviously, it is recommended and best practice to insert the copper pipe that full 0....
codechimp's user avatar
  • 757
1 vote
2 answers
363 views

Removing Glued-On Stub Out

I am replacing my two-bin sink with a one-bin sink. As a result, the garbage disposal is now resting on the tip/edge of this angle stub out that is glued on to the waste drain. I was good up to this ...
waterlemon's user avatar
2 votes
1 answer
391 views

How can I install a utility spigot so it's oriented the right way?

I fitted new nozzle bibtap (same brand) onto new bibtap wall flange (same shop). I used PTFE tape, with Pipe joint lubricant (could not source Pipe joint compound) on both fittings. One fitted ...
Abu Galib's user avatar
1 vote
2 answers
247 views

Replace PVC valve cemented on a water line

I have a filtering system with a bypass and one of the valves was badly installed and it also leaks through the handle gasket. The valve is in a system that looks like this: The encircled area is ...
CuriousPaul's user avatar
-1 votes
1 answer
392 views

1970’s ABS OD Pipe Size is Larger

We have a 1974 condo with some lateral 2” ABS schedule 40 pipe. Strange, but current fittings with hubs do not fit the old pipe. It’s as if the older pipe is just “slightly” larger than the current 2....
Richard's user avatar
  • 559
20 votes
2 answers
5k views

Why not put pipe dope on female thread?

What is the risk of having pipe dope in natural gas line? Not blobs of dope, but a thin layer or bead on inner (female) thread. Most instructions on using pipe dope on gas pipe says to put pope dope ...
codechimp's user avatar
  • 757
0 votes
1 answer
2k views

What connector to join/extend 1/4 in stainless steel fridge water line

I am running about 6 feet short and need to extend 1/4 in stainless steel fridge water line by attaching another hose assembly with 1/4" female swivel compression fittings at both ends to it's ...
Matt's user avatar
  • 193
0 votes
1 answer
80 views

What type of fittings go in and out of a shower water filter? (and/or, what type of fitting does a shower head use?)

For a shower water filter like this: https://www.geapplianceparts.com/store/parts/spec/GXSM01HWW What are the connectors? The specs say "standard 1/2" shower head and pipe connections". ...
John Bachir's user avatar
0 votes
1 answer
3k views

What are my options for connecting my water filter to my faucet?

I have this under sink water filter: 3M Aqua-Pure Under Sink Full Flow Water Filter System Cyst-FF It has push-to-fit 3/8 tubing going in and out. It comes with sufficient hardware to go from the ...
John Bachir's user avatar
3 votes
2 answers
2k views

Where is the one-eighth in 1/8-27 NPT?

Where is the "one-eighth" in 1/8-27 NPT? I know it has 27 threads per inch. I see references that 1/8" is the nominal pipe size, does that mean the hole inside the thread is 1/8" ...
kbyrd's user avatar
  • 349
2 votes
2 answers
354 views

What is this elbow joint pipe?

This elbow joint is leaking. I think it’s the condensation pipe off the boiler because it seems to leak when the boiler comes on. I’ve tightened it fully but still leaking. The pipe on the left (...
User1's user avatar
  • 375
1 vote
1 answer
159 views

Does a 3/4" FIP gas fitting effectively reduce the run size for 1" CSST?

I'm running about 50' of 1" CSST natural gas tubing and want the best flow possible before I branch out and step down. I see there are two choices for connections; 1" MIP (3/4" FIP) x 1&...
Richard's user avatar
  • 559
5 votes
2 answers
3k views

Why can't I find a cleanout plug to fit my drain pipe?

Trying to cap a water line that connects to my sewage out line. I purchased a cleanout adapter with cap in 2" and 3" and one is too big and one is too small. I think I need a 2-1/2" ...
Stanley Jones's user avatar
5 votes
2 answers
9k views

How do I connect my sink to the drain in the wall?

I'm a real novice when it comes to plumbing. I've got a threaded 45 coming out of the wall (white pipe on the right) and an unthreaded black tailpiece coming down from the sink. How do I install a P-...
Michael Mior's user avatar