Use a generous amount of glue to do this to ensure a proper bond. suggestions. Some pipe dopes made for metal pipe are not compatible with plastic. 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. Because of this, you should (almost) never use a female PVC fitting with a male metal fitting. 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. If you are looking for an economical way to change your pipes, try attaching PVC pipes to your steel pipes. All rights reserved. Typically these fittings are only used on large agricultural, park, and golf course irrigation systems. But they pay the price with ruined sprinkler heads they have to later replace. How do I go about removing the lead pipe? You will first want to remove the old steel pipe. 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 project will prove to be both economical and beneficial to any home owner. We welcome your comments and DoItYourself.com®, founded in 1995, is the leading independent 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. Don't put tape on the first thread and you will find it easier to get the joints started. All information is provided "AS IS." I am plumbing a new american standard tub.
Try not to get any on the last thread on the end, so it doesn't get squeezed into the inside of the pipe. Connecting brass drain of a tub to pvc waste line [ 1 Answers ] Hi, I am plumbing a new american standard tub. Using just your hands at first, tighten as much as possible with your own force. If you go the other direction the tape will tend to come off as you try to thread the ends together. The joint will almost always leak or break. Look at a typical metal female fitting like a coupling and you will notice the reinforced end.
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". The overflow/waste drain is attached and in place. problems contact [email protected]. Fernco Corrugated Pipe Couplings Us. Some pipe dopes made for metal pipe are not compatible with plastic. 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.
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 result is the female PVC is stretched beyond it's strength limits by the hard metal, resulting in tiny stress cracks and leaks. I find it is actually cheaper to buy the more expensive thicker tape. 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.
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. When making threaded joints you need to use a sealer/lubricant. Make sure it is attached properly and securely by testing the strength out. Copyright © Jess Stryker, 1997-2018. Wrap the tape around the pipe threads in the same direction as the female threads will screw on. Reln 4 In Corrugated Pipe Adapter 000225 The . The new vanity has a fixed shelf measuring about 15.5... Hi, 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.) 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? submitted to our "DoItYourself.com Community Forums". 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.) You should be able to see the shape of the threads through the tape. I'm a first time home owner... Outside of my basement I have two pvc pipes side by side. There is a good reason for this. You may freely link Plastic to metal connections are made using threaded connections. A plastic male thread is used to connect to metal female threads. You will want to make sure to remove any dirt, dust, debris and grime that may be present.
Using your thread sealer, you will want to apply a generous amount to the male threads on the steel piping. 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. Push the still wet PVC pipe into the fitting, using a bit of force. It seems that this has been a common problem for many. While moving the pedestal, the minor shocks completely broke the pipes going to p-trap and going to the wall. Use about 9-10 wraps around the male threads when using the cheap thin tape. I was... Hi, The standard IPS type threads used on pipe and fittings are not uniform in diameter. Prime and glue two 5-inch pieces of pipe to a tee fitting. 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". Saving Money on Basement Foundation Repair. Connecting Galvanized and PVC Drain Pipes Drain pipes aren't under pressure, so you don't have to be as concerned about leaks. I have a kitchen sink with one faucet, two drains, a garbage disposal and a... Hello - I'm really confused and need some help. Stick to Teflon or PTFE materials that are labeled for use on plastic. Most pros use Teflon pipe dope because it is faster and takes less thinking than Teflon tape to install. Temporarily run pipe—longer than it needs to be—so it comes near the old pipe. I almost never use pipe dope. (Clockwise if you are looking at the end of the male threads.) For good-quality tape it takes 3-4 wraps around the male threads to create a good seal. If one is softer than the other, then the softer one will do all of the compressing or stretching.
After the PVC pipe is dry, you will want to use your PVC glue to cover the end of the pipe. Is it OK to connect PVC to the existing metal pipe in the wall? There is also another type of threads called "acme threads" that do have uniformly sized threads. How To Connect Corrugated Drain Pipe Pvc. Follow the above steps just as you did with the previous steps and you should have no problem finishing this DIY project. Step 7 - … Pull the tape tight around the threads as you put it on, but don't stretch it too much. Plastics like PVC create more of a problem since plastic easily stretches compared to almost all metals. The overflow/waste drain is attached and in place. Just make sure you do not over tighten, for this will cause the fitting to be damaged and unusable. 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. Compressing is generally not a big problem, but stretching too much can be bad news for the strength of the material. 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. To join a new plastic drainpipe to an old steel pipe, run new pipe into the room. 0 Comment. Since the male metal thread is harder, the male threads don't compress and all the "give" comes from the female PVC. Now, doing some more cleaning, wipe off the end of the PVC pipe using PVC cleaner. (When running pipe across a stud wall, you may need to notch-cut some of the holes, using a reciprocating saw.) Repeat the above steps for any remaining pipes that need to be fitted together. Connecting water heater vent pipe to furnace vent pipe. 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. 1995-2018 MH Sub I, LLC dba Internet Brands. 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.
I am replacing the drain in the bathroom lavatory. These are the type of threads used on items that need to be easily disassembled, like jar lids. I am replacing the drain in the bathroom lavatory. 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. For sprinkler systems Teflon or PTFE tape is preferred.
You can make a transition in the same way that you do for water pipes, but it isn't necessary. (Teflon tape must be put on in the correct direction or it comes off.) Hold the pipe in place until the glue sets. Some Teflon tape, sold typically at discount suppliers, is very, very thin. How to Connect a Metal Hot Water Pipe to... How to Connect a Metal Hot Water Pipe to a Plastic Pipe. Put a good thick coat on starting with the second thread from the end. After the PVC pipe is dry, you will want to use your PVC glue to cover the end of the pipe. Questions of a Do It Yourself nature should be Doing this will ensure a solid attachment. How to Connect PVC Pipe to Copper Pipe W... How to Connect PVC Pipe to Copper Pipe Without Welding. The standard products for this are either Teflon pipe dope, Teflon tape, or PTFE tape. Do not use a plastic female threaded connector with a metal male connector! However this creates a problem if you are joining two different materials together. I prefer to use the pink colored "extra-heavy", "full density" PTFE tape. 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. Taking the female adapter, you will want to apply it to the male pipe threads. They will harm the plastic resulting in future failure. Website operating If using pipe dope spread it on the male threads. Next you will want to clean the threads on the steel pipe.
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