How to cap copper pipes

how to cap copper pipes

How to Cap a Water Pipe With a Push-On Fitting

Nov 06,  · Subscribe a copper plumbi. If you really can't face the thought of soldering the joints then you can get push fit end caps that work very well. You need to make sure you've got a smooth, straight end to get a good fit, so a pipe cutter is the preferred cutting method. You can use a hacksaw, but you will need to then use emery paper on the end to remove the burr.

Discussion in ' Plumbing and Central Yow ' started by curiousorange7 Nov If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find hoe local to you.

Log in or Sign up. DIYnot Forums. Fap how to cap copper pipes a copper water pipe Discussion in ' Plumbing and Central Heating ' started by curiousorange7 Nov I had my old central heating xopper converted to a combi. Where the immersion heater used to be, are some open pipes I'm going to saw off.

There is also another pipe which ends in a jow. Opening the valve produces water under pressure. I would like to cap this pipe further back, under the floorboards of a bedroom. Is there a way an amateur can cap off the pipe, and be confident I won't need to rip a new fitted carpet and floorboard up in the future? American DIY websites mention cao called Sharkbyte, don't know if how to repair cracks in internal walls applies over here.

Only a solder pipfs will be a permanent fix. Do the donkey work yourself, eg. Then, if you're not confident yourself, get a local recommended plumber to solder some caps on for you. Should only be one hour's labour. Won't cost much, but you can put your floor boards down and sleep soundly knowing an expensive sunami won't occur! Whitespirit667 Nov What does one hour's labour cost nowadays? If you are competent and do it carefully and correctly, a push fit end cap will be fully reliable on a cleaned copper pipe.

Has the advantage over soldering in that the pipe does not need to be completely dry to fit it. Axel7 Nov TicklyT7 Nov I just remembered that I replaced a washing-machine valve with a new one recently, no problems at all. Although I'm not sure if the end of the pipe had been shaped somehow, as I used the old 'nut' already on the pipe and just replaced the rest of the valve. Edit: actually the old olive may have been squeezed firmly onto the pipe, which stopped the old nut from coming off easily.

Is there something I can buy that's like that plpes but has a cap on the end? Would the tl of the pipe need shaping or would a simple cut with a pipe cutter be all I'd need to do? These are a doddle! Bahco7 Nov Does the thing illustrated have a name please, so I know what to buy? If you've never done a compression or solder fitting before, find someone who has and buy them a pint - it only takes a few minutes. Cop;er of DIY folk, not just plumbers, can manage a simple thing like this.

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What You'll Need

Sep 03,  · If you are competent and do it carefully and correctly, a push fit end cap will be fully reliable on a cleaned copper pipe. Has the advantage over soldering in that the pipe does not need to be completely dry to fit you turn the water back on, and discover you've put a 15mm push-fit on a .

Working with copper plumbing is often troublesome for the uninitiated, but there are some tasks that can give even an avid home plumber fits. After removing a fixture, it is sometimes necessary to either temporarily or permanently cap off the supply line. Supply lines are frequently difficult to drain, making them harder to solder and turning a normally straightforward procedure into a frustrating ordeal.

The solution is to create enough empty space in the pipe where you need it most, in the immediate vicinity of the end cap. Turn off the water supply.

Open a faucet on the same supply line as the one being capped to relieve pressure on the line. Drain the line as completely as possible. Cut the copper pipe with a pipe cutter at the chosen location.

Ream the inside of the pipe with the reamer attached to the pipe cutter or a separate reaming tool. Insert 24 inches of a piece of thin vinyl or rubber tubing into the open end of the copper pipe.

Start a siphon by sucking on the other end of the tubing, then hold the end over a bucket to catch the water. Drain the water level down to the point where the siphon stops, providing approximately 24 inches of empty pipe below the opening. Clean the outside of the end of the pipe and the inside of a cap fitting with steel wool until the copper is bright and shiny. Apply paste flux liberally to the clean outside portion of the pipe and the inside of the cap fitting using a flux brush.

Slip the fitting fully onto the end of the pipe. Place a fire extinguisher nearby. Insert a piece of cement backer board or sheet metal between the pipe and any combustible surfaces, such as wall studs, drywall or cabinetry.

Unroll a 6-inch length of lead-free solder from a roll. Light a propane torch and adjust it to obtain a strong, steady flame with a blue center cone. Apply heat to the pipe and cap fitting. Concentrate the heat on the joint to avoid heating the rest of the pipe unnecessarily. Touch the tip of the solder to the pipe just below the cap fitting, on the side of the pipe opposite the flame.

Feed solder into the joint once it starts to melt. Remove the heat and stop feeding solder when a bright silver ring forms around the entire joint at the base of the cap fitting, and when several drops of excess solder appear on the pipe. Turn off the torch and set it carefully aside.

Watch the joint for five seconds as it cools to be sure steam pressure doesn't blow any pinhole leaks in the solder seam. Wipe the joint with a damp rag. Steve Hamilton has been writing professionally since His credits include novels under the Dell imprint and for Harlequin Worldwide. A remodeling and repair specialist with over 20 years experience, he is also a Certified Pool Operator and holds an EPA Universal refrigerant certification.

By Steve Hamilton. Related Articles. The key to a good, leak-free soldered joint on copper pipe is cleanliness. The pipe and any fittings must be completely clean and bright. After cleaning, don't touch the surfaces to be soldered with your hands. Use plenty of flux before assembly, and have plenty of heat concentrated on the joint during soldering. To quickly and temporarily cap a line so the rest of the house has water while you're doing repairs, install a compression stop valve.

Push-to-connect fittings are also available that will suffice for temporary service. Always wear shoes, long pants and a long-sleeved shirt as well as leather gloves and eye protection when soldering copper pipe.

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