After your very first experience with threaded pipe, you’ll appreciate why this material is all yet extinct in new installations. Cutting, threading, and also assembling steel pipe calls for muscle. Sometimes, as soon as you’re make the efforts to take old pipeline apart, you’ll make an oath it to be welded together.

If you home was built prior to WWII, its it is provided pipes are most likely to it is in threaded steel. This doesn’t typical you have to use the very same pipe for renovations or repairs. Unique fittings let you break into a pipe line and add copper or plastic.

Let’s acquire started.

You are watching: How to remove broken threaded pipe

Here room the basic things you need to effectively remove one old, threaded stole pipe:


You’ll need around one hour to take it apart four or 5 sections of pipe and also fittings.


You have actually the skills to carry out this task if you have the right to read follow this instructions, usage a pipe wrench, and also be all set to apply to some brute stamin if necessary.


Two pipeline wrenches, one hacksaw (with metal-cutting blades), and feasible a propane torch.

Editor’s Note: This is the first of a 2-part collection on threaded stole pipes. The next write-up in this collection is titled, “How to download a new Threaded pipeline (In 3 Steps!).”

Remove the Old pipe in 4 straightforward Steps

Actually, uneven you run into troubles with a stubborn joint, you can even have fewer than 4 steps.

1. Shut Off her Water

Before friend begin any kind of project that entails removing or installation a water pipe, you should first, and also always, shut off the main source of water coming right into your home.

More regularly than not, the key water heat shutoff valve will certainly be located inside her home. Look because that the wall that’s closest to the street due to the fact that this is where your water supply commonly comes in.

2. Unscrew the pipe Union

Examine the method your pipe and fitting subject together. You’ll check out that friend can’t simply start unscrewing lock anywhere. What in every run of pipe is a union that allows you come unlock and also dismantle the piping. Watch the photo and also caption below for a description of a pipeline union.

To crack open a union, determine which the the smaller union nuts the ring seed is threaded onto. With a wrench on every nut, rotate the ring seed counterclockwise. When unscrewing pipe, usage the 2nd wrench to save the installation from turning while girlfriend unscrew the ring nut.

Once it’s unthreaded, you have actually the break you need and also can start unscrewing the pipes from their fittings.

This is an example of one type of pipeline union. They allow two pipes to be linked together in a method that requires just one pipeline to be turned as soon as removing the union. There space 3 parts to a pipeline union: (the nut, a woman end, a male end).

3. Reduced the pipe if Necessary

If over there is no union handy, you’ll must take a an ext direct approach. Reduced the pipe v a hacksaw fitted through a metal-cutting blade.

Important: Because friend have reduced the pipe, you will certainly not have a threaded union to connect the pre-threaded nipple onto. The only ways to tie top top a cut steel pipeline is come thread it (this is a pain, we’ll admit). A much better answer lies in making use of a compression installation which walk on the outside.

The pipe will have to be capped turn off before any water is turned ago on.

Example that a pipe being reduced with a handsaw or hacksaw using metal-cutting blade.

4. Shot This if the pipeline Doesn’t Budge

Stubborn joints have to respond to heater (and loosening) the fitting with a propane torch. Then use a bigger pipe wrench, or slip a piece of 1.25″ or 1.5″ pipe onto the take care of of your wrench to assist you rise its leverage.

A little show the strength and also this extra leverage will aid you release the share from the threads.

Although this photo shows a copper pipe, a propane torch provided on the stubborn share of an old threaded stole pipe will job-related just as well to loosen it.
Can I change my threaded stole pipe with a different material?

If friend have great water pressure and also can discover no significant rust, there’s no should replace your threaded still pipeline with one more material prefer copper. Yet if water push is low, aerators fill through rust, and also leaks develop, climate it’s time because that a change.

Can I usage penetrating oil to ease a pipe joint?

Yes, this is a an excellent alternative to making use of a propane torch on a stole pipe joint. Right here are video instructions for using this technique on different pipe materials.

See more: Which Of The Following Is An Example Of Social Facilitation?

How will certainly I know my pipe is made out of steel?

Take a penny and also scratch the surface ar of any kind of suspected pipe. If the scratched area is silver-grey in color, it’s do of steel and a large magnet will stick come it.

Final Thoughts

For those in older, pre-World war II (pre-1940s) houses with stole water pipes, you have to take time to give them a great once over. Study them very closely using a flashlight.

If you see any type of signs that rust, corrosion, or leaks (it deserve to simply it is in wet), a adjust in pipe material is in order. You definitely don’t want those products invading her water supply. It’s the reason modern-day homes no much longer use this material.

But take it head, instead of a little of threaded steel pipe deserve to be fairly easy. However, if too much of it needs to it is in replaced, you’re finest bet is to get a team of skilled plumbers top top the job.

Call 1-Tom-Plumber

We can aid you repair, remove, or install any form of pipes and fittings. We will likewise immediately respond to any kind of of youremergency plumbing,drain cleaning and also drain clearing, orwater damageproblems. And also we have specialists who excavate, repair, and replace broken sewer lines. Simply send united state a messageor speak to us at1-866-758-6237.