DoItYourself.com®, founded in 1995, is the leading independent After the PVC pipe is dry, you will want to use your PVC glue to cover the end of the pipe. All information is provided "AS IS." These are the type of threads used on items that need to be easily disassembled, like jar lids. home improvement and repair website.

But they pay the price with ruined sprinkler heads they have to later replace. (Teflon tape must be put on in the correct direction or it comes off.) Some Teflon tape, sold typically at discount suppliers, is very, very thin.

Do not use a plastic female threaded connector with a metal male connector! If you can hold the tape up to a light and see the light through it you have some very thin tape and you will need to use a lot more of it. Connecting brass drain of a tub to pvc waste line [ 1 Answers ] Hi, I am plumbing a new american standard tub. I almost never use pipe dope. Compressing is generally not a big problem, but stretching too much can be bad news for the strength of the material. Look at a typical metal female fitting like a coupling and you will notice the reinforced end.

All rights reserved. Some pipe dopes made for metal pipe are not compatible with plastic. When you are screwing the threads together it actually does get tighter! I have a kitchen sink with one faucet, two drains, a garbage disposal and a... Hello - I'm really confused and need some help. You should be able to see the shape of the threads through the tape. 0 Comment. Website operating

Most pros use Teflon pipe dope because it is faster and takes less thinking than Teflon tape to install. After the PVC pipe is dry, you will want to use your PVC glue to cover the end of the pipe. Pull the tape tight around the threads as you put it on, but don't stretch it too much. Taking the female adapter, you will want to apply it to the male pipe threads. You will want to make sure to remove any dirt, dust, debris and grime that may be present. We welcome your comments and How to Connect a Metal Hot Water Pipe to... How to Connect a Metal Hot Water Pipe to a Plastic Pipe. As the threads are screwed together it starts to compress the male fitting while stretching the female fitting, resulting in a very tight joint that doesn't leak. Using just your hands at first, tighten as much as possible with your own force. submitted to our "DoItYourself.com Community Forums". Use your steel brush to do this.

To join a new plastic drainpipe to an old steel pipe, run new pipe into the room. For sprinkler systems Teflon or PTFE tape is preferred. Don't put tape on the first thread and you will find it easier to get the joints started.
If one is softer than the other, then the softer one will do all of the compressing or stretching. The overflow/waste drain is attached and in place. Because of this, you should (almost) never use a female PVC fitting with a male metal fitting. The result is the female PVC is stretched beyond it's strength limits by the hard metal, resulting in tiny stress cracks and leaks. Adjustable Drainage Bends Connecting PVC Drainage To Clay Pipes Gullies - How, Why And Where To Use Them Underground Drainage - Basic Principles Underground Drainage Installation How Do I Connect My Downpipes To The Underground Drainage?

This project will prove to be both economical and beneficial to any home owner. The sweep where the stack meets the sewer line has no clean out and appears to have some corrosion, so I'd like to replace it. But the problems that are posted have not exactly been identical to mine, thus I am still on a quest to find a favorable solution. Since the male metal thread is harder, the male threads don't compress and all the "give" comes from the female PVC. This is why it gets so much harder to turn the pipe as you continue to tighten the joint. Installing pvc p-trap .. how to connect to metal pipe from wall (no threads) A few days ago our pedestal sink started leaking, so today I started looking around and noticed that the pipe going to the p-trap is leaking.

A plastic male thread is used to connect to metal female threads. This is a product that helps seal the joint and also serves as a lubricant to make it easier to screw the male end into the female. suggestions. The standard IPS type threads used on pipe and fittings are not uniform in diameter. Send a private message to massplumber2008, Connecting basement plumbing to cast iron waste stack, Reposition P-trap, waste line to accommodate new vanity shelf, Connecting brass drain of a tub to pvc waste line, Replace Lead Pipe from Toilet to Hubless Waste Pipe. If pipe dope gets into the pipes the water will carry it to the sprinklers and it will gum them up (using pipe dope also voids the warranty on most sprinklers.) Connecting second floor waste to main waste stack. For plastic valves they not only use thicker plastic, they sometimes will place a metal ring around the female end, or put fiberglass reinforcement in the plastic. Use a generous amount of glue to do this to ensure a proper bond. Use a generous amount of glue to do this to ensure a proper bond. Read the step by step information below to find out how to do this fairly simple, and very economical DIY project at a fast and pretty easy pace. I'm putting in a half bath and a washing machine in our basement and I'd like to like to connect it to the main stack and drain, which is all 4-inch cast iron.

Repeat the above steps for any remaining pipes that need to be fitted together. I'm a first time home owner... Outside of my basement I have two pvc pipes side by side. Now, doing some more cleaning, wipe off the end of the PVC pipe using PVC cleaner. problems contact [email protected]. However this creates a problem if you are joining two different materials together. Likewise with a female thread the first thread at the end has a larger diameter than the last thread. Copyright© Is it OK to connect PVC to the existing metal pipe in the wall? Push the still wet PVC pipe into the fitting, using a bit of force. Reln 4 In Corrugated Pipe Adapter 000225 The . Connecting Galvanized and PVC Drain Pipes Drain pipes aren't under pressure, so you don't have to be as concerned about leaks. For example, if you look closely at a male pipe thread you will notice that the diameter at the first thread on the end of the fitting has a smaller diameter than the last thread. I am replacing the drain in the bathroom lavatory. For good-quality tape it takes 3-4 wraps around the male threads to create a good seal. Step 7 - … You will want to complete this next step while the glue is still wet, do not allow the glue to dry, or it will prevent the pipes from holding together properly. This is done by taking off the pipe to the point where you are wanting to change the pipe to something new. Some pipe dopes made for metal pipe are not compatible with plastic. Next you will want to clean the threads on the steel pipe. I prefer to use the pink colored "extra-heavy", "full density" PTFE tape. How do I go about removing the lead pipe? If using pipe dope spread it on the male threads. My existing waste line is 1 1/2" pvc, but the brass drain seems to be someplace between 1 1/4" and 1 1/2". My existing waste line is 1 1/2" pvc, but the brass drain seems to be someplace between 1 1/4" and 1 1/2". Corrugated dual wall pipe connection in outdoor drain is clogged nexus hi way road drainage pipe iplex nz china large diameter pe corrugated pipe drainage pipes single wall dual. I was... Hi,


Plastics like PVC create more of a problem since plastic easily stretches compared to almost all metals.

Do not worry about over using the sealer.

They will harm the plastic resulting in future failure. I have new new modular cape that had the first floor plumbing complete, and the second floor stubbed, and want to know the right way to connect the second floor waste drain which was installed in the house, to the main waste drain.

If pipe dope gets into the pipes the water will carry it to the sprinklers and it will gum them up (using pipe dope also voids the warranty on most sprinklers.) After you have tightened as much as you can with your hands, you will want to use either your pipe wrench or pliers to finish the tightening so it becomes very secure. to this site, and use it for non-commercial use subject to our terms of use. The joint will almost always leak or break. I have a big hole in a 24" horizontal lead pipe that bends at 90 degrees and connects the only toilet in the house to the hubless waste pipe. Connecting water heater vent pipe to furnace vent pipe. Plastic to metal connections are made using threaded connections. Stick to Teflon or PTFE materials that are labeled for use on plastic. Is it ok to connect PVC to the existing metal pipe in the wall?

Before you continue to the next step, you will want to make sure the the PVC pipe is very clean, and you will also want to make sure it is very dry. The exception I hinted at is that there are some specialty plastic fittings available that have a combination of heavier plastic and metal reinforcement rings to give them sufficient strength to withstand stress cracking. If you go the other direction the tape will tend to come off as you try to thread the ends together. Use about 9-10 wraps around the male threads when using the cheap thin tape. By Doni Anto | March 23, 2017. If you are looking for an economical way to change your pipes, try attaching PVC pipes to your steel pipes.

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