Questions tagged [fitting]

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15
votes
2answers
52k views

When is pipe dope/tape needed?

When is it appropriate to use tape, dope, or nothing at all when connecting pipe fittings? Several advised not to use any product when I posed this question. What is the purpose of each product, and ...
12
votes
5answers
53k views

How can I fix a door that doesn't close because it doesn't fit the frame?

Two closet doors in my house won't close all the way. When they are about 85% closed, it stops because the top of the door is rubbing up against the frames. It looks like I need to move the door down ...
9
votes
5answers
4k views

How to create a hidden plug for PVC pipe

I'm working on building a semi-permanent set of full-size soccer goals. Full-size in this case means 6' x 18'. Because of the size and spans, I'm planning on using 1.5" PVC pipe and fittings. And ...
7
votes
3answers
30k views

Is it possible to reuse a copper pipe's compression fitting?

I removed what I didn't realize was a compression fitting on a copper pipe for my kitchen cold water supply. Is it possible to reuse the compression fitting or do I need to buy a new one to replace ...
7
votes
1answer
2k views

Broken step on staircase

We have a broken step on our carpeted staircase. How can I remove then refit the carpet without damaging it? When the carpet has been removed, I will have to repair the step if possible, then refit ...
5
votes
3answers
21k views

How do I disconnect (and reconnect) the tubing from this fitting?

The plastic tubing supplying filtered water to our refrigerator currently runs below a suspended ceiling. I want to reroute it above. How do I disconnect it without damage from either the union or tee,...
5
votes
3answers
34k views

What are some tips for soldering brass fittings to a copper pipe?

Over the years I've soldered several remodels worth of copper pipe (water and hydronic heat). I'm not great, but I get the job done, until I have to add a brass fitting. For some reason, I can't get ...
4
votes
3answers
10k views

How can I attach a pipe to a flat surface?

What type of fitting is used to attach a pipe to a flat surface such as a barrel or other container? The reason I ask is because I have built a tray out of sheet metal that is intended to contain ...
3
votes
1answer
8k views

What is the difference between swage fittings and compression fittings?

I'm having problems with seeing the difference between these two types of fittings that are used to connect metal/plastic tubing. How can you spot the difference?
3
votes
3answers
1k views

best way to install a flat wall fixture on a sightly curved wall

In our rental property, the kitchen walls are all ever so slightly curved (as are a lot of walls in our house) We want to put up a knife magnet. Obviously we are keen for this not to be wobbly in any ...
3
votes
1answer
205 views

Can anyone identify/name this plumbing component?

Located under all the "AM/PM Kitchen" (bedroom) sinks in the house: It adapts the 3/8 PEX output from the mixer valve to 1/4 PEX to the spigot. The thing that looks like a valve does not appear to do ...
3
votes
1answer
2k views

How can I replace a ceiling light and repair the surrounding plaster?

The house was probably built in about 1900 (so Edwardian) and I would guess much of the plaster work is still original. We refurbished the house 3 years ago and suffered from lots of plaster falling ...
2
votes
2answers
3k views

What is the proper method to install a “close” metal pipe nipple?

A close pipe nipple is designed so that when it is installed there is very little or no gap between the two fittings which attach to either end. What is the proper method to install one of these? ...
2
votes
2answers
2k views

Do 22.5 degree pipe fittings exist?

I'm trying to make a triple-monitor stand using steel plumbing pipe, as I've seen this done by others in the past. Most designs call for 45 degree pipe elbows for the side monitor arms, but this seems ...
2
votes
3answers
3k views

Should I trim or bend the lip to a strike plate?

Inside my house, the strike plates are T-shaped and the protruding tongue sticks out 10-13 mm (3/8"-1/2"). Occasionally someone gets their clothing caught on the strike plate. It seems to me that ...
2
votes
2answers
21k views

Tube Fitting vs. Flare Fitting vs. Compression Fitting

I am trying to connect a water filter with regular 3/4" FIP inlet and outlet to regular faucet tubes with 3/8" Compression Type female connectors. So, what I need, I guess, is a pair of 3/4" MIP to 3/...
2
votes
1answer
978 views

What is this called (adjustable angle pipe footplate)?

I'm constructing an EMT pipe tarp canopy frame. It will be a shed roof. One side will be pipe supported (low end) and the other side (high end) will be mounted to the top of my garage roof. The plan ...
2
votes
2answers
970 views

Attaching a drain cock for my air compressor to a workbench?

I'm looking to extend the pressure release valve on my air compressor so that I don't have to crawl around behind it to let the pressure out. So far my plan is to replace the existing drain cock with ...
2
votes
2answers
1k views

Do I need to separately bond sections of copper pipe connected by push-to-connect fittings?

If I have two sections of copper pipe (water or gas) connected by a push-to-connect fitting (e.g. Shark Bite brand's push-to-connect pipe fittings), is electrical continuity preserved, or do I need to ...
2
votes
1answer
48 views

By how much can I trim back the connectors of 1.5" PVC fittings?

We're installing the drain plumbing for a newly installed tub, and the drain shoe overshoots the tub drain hole. The tub has been mortared in place and can no longer be moved: A joist limits how far ...
2
votes
1answer
64 views

Can I repair this cold water hose?

I am trying to fix tap that has a leaky hose that leaks where 3/8 nut is. It leaks only when I move the nut. Presumably because I over-tightened it last time. I went to Lowe's and Home Depot and they ...
2
votes
2answers
234 views

What is the name of this fitting?

I've seen it around a lot, but cannot figure out what it's called. I assume it's a kind of compression fitting.
2
votes
0answers
107 views

Change circuit breaker for dual purpose fitting

I have a power breaker fitted with a ducted outlet to exterior wiring. It is in white plastic, same size as twin socket, with push switches for on/off test/restart and neon light. I would like to ...
1
vote
1answer
45 views

Light fitting won't work with more than one bulb in place

I have a light fitting very similar to this. i have purchased the correct bulbs but when more than one is fitted none work. i have tested each individual fitting and each works. i have purchased a ...
1
vote
1answer
8k views

How is a “ground joint union” different from any other union out there, and why are they specified for gas service?

The various documents (manuals, installation guides, etc) available for gas water heaters refer to the use of what's called a "ground joint union" between the shutoff valve and the appliance tee/drip ...
1
vote
1answer
30 views

Wiring up new light fitting

I am trying to fit a new light fitting. The connections on this fitting equates to a 4 pin plastic junction box with live, earth, and neutral in that order with the 4th blank. I removed the old ...
1
vote
1answer
349 views

Repairing a break in threaded water pipe joint buried in wall

First of all, I'm from Europe, so please forgive me if things I'm about to explain seem foreign to your part of the world. Yesterday, I noticed that one of the two valves (the hot water one) under my ...
1
vote
2answers
233 views

Going from a PVC Sched 40 1-1/2“ PIPE to a 1/2” Poly Combination Elbow

I'm new here. I have a plumbing question. I'm not a plumber by any means. I'm trying to put together a small DYI project as a Xmas gift for a couple of family members and a couple of friends. Its a ...
1
vote
1answer
66 views

Disconnecting quick connect fitting while hose is pressurized

Tank is pressurized at 90psi. Attached to 50 feet 3/8 hose. Tool end of hose has a standard quick coupler. ( so its closed ) Is it "okay" to disconnect the male quick connect fitting from the tank? I ...
1
vote
1answer
286 views

PVC to CPVC transition

Is it OK to solvent weld PVC to CPVC? I have a Schedule 40 PVC line outside a building and need to transition to CTS CPVC for indoor plumbing (because code). I'm wondering both from a practical (will ...
1
vote
1answer
69 views

Help identify a mystery brass part along the water line

What's the function of the brass piece along the water supply line. This is the supply line for a hydronic floor heating system. Something is malfunctioning and one of the possibilities is that I have ...
1
vote
2answers
111 views

What size and type of fitting is this?

This is the fitting connecting the copper (yes, copper tubing is OK for gas lines where I am) gas line feeding our water heater to our water heater. What size and type of fitting is it?
1
vote
1answer
2k views

Is it ok to use a brass compression sleeve on vinyl tubing?

I'm putting together a fountain feature in my yard and I'm using vinyl tubing from the pump to the bottom of the feature (which has a copper tube inside). I've got a compression union to connect the ...
1
vote
1answer
461 views

Remove over tighten copper pipe fitting

The older plumber left a over tighten copper pipe (threaded) to the shower valve. I tried but couldnt remove it with wrench. I dont want to use too much force as it may break the valve. I wonder if ...
1
vote
1answer
1k views

Which plumbing adapter to join 3/4“ FIP line to 3/4” Female NPT inlet port?

My main water line currently feeds into a water filter using a 3/4" FIP x 3/4" FIP x 24" braided stainless steel water heater connector line: http://www.hardwareworld.com/Water-Heater-Connector-~-24-...
1
vote
2answers
830 views

What types of tubing can I use with Push-to-Connect fittings?

I'm running a hydrogen gas system that's below 15 psi. All of my fittings are Push-to-Connect fittings of either 3/16", 1/4", or 5/16" OD from SMC. What sort of tubing can I use with this? Would ...
1
vote
3answers
6k views

How to remove stuck Rawl bolts

I'm trying to affix a ground-anchor to my garage floor (for chaining things to. It was supplied with Rawl bolts and the instructions stated to drill a 16mm hole into the concrete and then tap the ...
1
vote
1answer
1k views

Where can I find a 5/16" end cap for a faucet diverter? [closed]

I have a Delta kitchen faucent with a diverter shank that connects to a hose for a pullout sprayer. I am disconnecting it because I want to use the sprayer hole for a filtered water faucet. The ...
1
vote
2answers
14k views

Proper way to join PVC pipes to brass ball valve

I'm using the following fitting to join PVC pipes to the brass valve, my concern is that the recommended 3-8 wraps of teflon tape and finger tight plus 1-2 turns didn't cut it. I end up using about 20 ...
1
vote
3answers
16k views

How can I hide the gap at the base of the stairs and the door, when installing laminate flooring?

I am starting to plan a project to lay laminate flooring in my hallway. Already I can see two areas which are not as straightforward as the rest of the area. The first area which I can see me having ...
1
vote
0answers
40 views

Approved weatherproof way of connecting SER into panel

I have a knockout in an outdoor electrical panel that is above the uninsulated portion of the panel. I need to run 4/0 SER wire into the panel. According to NEC 312.2, I need a wet listed fitting when ...
1
vote
0answers
2k views

Are compression fitting threads all the same?

I found a weird fitting that I need but it's made by Swagelok (https://www.swagelok.com/en/catalog/Product/Detail?part=SS-400-1-6). One side of this fitting is a compression fitting and I'm hoping to ...
1
vote
0answers
85 views

Fit an existing frame into a bigger opening

I'm in the UK and the house I'm doing up is very old, the windows are very large ( too large ), frames made of wood which is all rotten and no double glazing. I need to do a lot of replacing, but as ...
0
votes
3answers
6k views

What fittings to use for floating box shelves

I'm trying to fit some box shelves but cannot find the type of fittings to use so that the screws are not visible. The thickness of the shelves of about 1cm. This is the fitting of the back of the ...
0
votes
3answers
69 views

What tool should I use for an octagonal nut on a plumbing trap?

I have a PVC P-trap under a sink and the trap nut is a very low profile, flush plastic nut that appears to be octagonal. The nut is only about 1/8" thick or less and 1" across so there is very little ...
0
votes
2answers
230 views

Can I use compression connections on rigid “L” copper?

I'm running 1/2 inch "L" copper to plumb my bathroom. I was intending to use the same pipe for the risers and stubs, which will connect to shutoff valves with compression fittings. I was going to use ...
0
votes
2answers
3k views

Fitting recessed lighting without damaging ceiling

I'm trying to add recessed lighting into my hall. There's currently a pendant light in the middle, which I'll be removing. I then want to add 6 240v (UK) GU10 fittings. There's no insulation in the ...
0
votes
2answers
63 views

Very slow leak out of main line at elbow out of concrete

So at the top of that 90 elbow it is a very slow leak and into the concrete is another slow leak off same elbow... I tried soldering but it just falls right off/breaks even when it becomes a molten ...
0
votes
1answer
559 views

Brass Barb Fitting Threaded Fitting To PVC End Cap

What would be the correct way to thread a brass bar fitting into a plastic end cap? I'm working on building a home aquaponics system with the water coming in and exiting through a similar end cap. Is ...
0
votes
1answer
82 views

Improve loose thread fitting [closed]

I have 10 laser pens of the same type(cheap Chinese ones) in aluminum and the threads are a bit loose, is there any way to improve the friction for the threads by applying some friction grease/paste? ...