How to Remove a Broken Plastic Drain Valve | Repair and Replace
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- Опубликовано: 26 окт 2019
- If you tried to unscrew the drain valve and the plastic broke in half, the remaining stem will be difficult to remove. In this episode of Repair and Replace Vance explains how to effectively remove the stem from a broken plastic drain valve in a water heater. In most cases you'll have to use a small open ended hacksaw to cut plastic into several smaller pieces, then use needle nose pliers to pull out each piece.
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Thanks for posting this. Gave me the confidence to tackle the job. Was sure mine was going to break off. Plastic started to twist then snap... It broke loose without having to cut it out. YES!!!! I had the hacksaw ready in case. Used a brass nipple, ball valve, and hose adapter to reinstall. Used Teflon tape with pipe thread sealant over the tape. No leaks.. Works great.
You're welcome Mi. We're glad that the video helped you with the repair! It seems like you're all set now, especially with the ball valve!
A big thank you! I spent hours on a 17-yr-old State Select with a leaking plastic drain valve just yesterday evening. It was clogged with sediment and wouldn't drain, but was leaking and needed replacement. It broke off when I tried to remove it. After researching ahead of time and finding that this was common, we had buckets and trash cans ready to collect the water. I didn't have the proper saw, so just used the blade out of my hacksaw and did it by hand. Your video was a great help and we were able to install a much better valve.
You're welcome Sandie! We're glad the video helped you out! It definitely gets tricky, the older a tank gets the more likely you are to run into problems even when the repair itself is simple. Its good that you've upgraded the valve now and have removed that as a worry.
First of all, they need to ban plastic valve for drain valve on water heater.
Thanks for the video
You're welcome!
thank you! this is exactly what i encountered
You're welcome, we're glad that the video was helpful to your situation!
Use a plastic riser extractor in the lawn sprinkler section of your home depot
Thanks for watching. That is a good tip for cleaning out sediment from inside the tank!
Or an easy out for pipes, same thing!
@@joshuamoore24_7 essentially but ones for plastic and the other metal.
Thank you for posting this video. I have an old gas water heater with a plastic valve that I have been wanting to replace with a full bore brass ball valve so that I can properly flush it, and was wondering if anything bad could happen in the process.
You're welcome. We're glad you found it helpful! Plastic valves can definitely break when removing, especially if its difficult to turn. The plastic can't handle too much torque. Its not too difficult to remove, just takes a few minutes and some patience.
Thanks for the advice
You're welcome!
Thank you dr
You're welcome Yahia! Thanks for watching
Thank you for posting this. What about the plastic hex nut shaped drain valves? How can those be replaced?
You're welcome Maxitikos. Most drain valves, even plastic ones have 2 flat sides that will allow you fit an adjustable wrench over. You can see this and the full repair in this video ruclips.net/video/nGCejMsKNX4/видео.html
Dynamite advice!
Thank you!
Thanks, appreciated.
You're welcome!
Awesome repair insight. I was wondering what I was going to do. You can google anything.
Thanks for watching, we're glad that you found it helpful!
Thank you this was very helpful. I’ll like to add that one peace of the broken Valve was very stuck and I could not get it to come out. I ended up using a heat gun after that one was able to pry it out easy. I lost few hours on trying to get it out cold…use heat gun and it will be much easier. Hope it helps someone.
You're welcome, we're just happy to help! The heat gun is a great tip, adding heat can often help loosen parts that are not moving.
Thank you
You're welcome!
We're replacing our water heater next week (non-emergency, but it is 20 years old and inadequate for our growing family). I'd like to replace the cheap plastic drain valve on the new one (we already had it delivered) with a really nice brass ball valve that we bought. Is there any reason not to do this now, before we install it?
Hi John, thank you for watching. You are smart to be looking ahead like that and its definitely easier to replace the valve before the tank is installed. Just make sure that your ball valve is assembled correctly with teflon tape: you can follow the steps here: ruclips.net/video/nGCejMsKNX4/видео.html
Use a boiler drain valve
Any recommendations for stubborn, old, plastic threads stuck in the tank that seem hardened and like they are fused to the tank threads? Of course the valve snapped on removal.
Thanks for watching. There could be a mineral buildup on the threads so using an acid like vinegar soaked in a rag could help loosen it. Also adding a little bit of heat via a heat gun could help but try not to completely melt the plastic.
@@AmreSupply Thanks for the reply! I ended up using a blowtorch and an awl to work the remaining pieces out. A vinegar rag and wire brush cleaned it up nicely.
@@Helblind You're welcome we're just happy to help! Thanks for the update its always great to know what ends up working for different people. All the best to you!
Hi. Mi plastic relief valve was apparently broken by the previous homeowners and I want to replace the valve but I have no way to connect a water hose to it due to the plastic threads broken off. Can you give me some advice on what should I do?
Thanks for watching. Without proper threads, you'll likely have to drain the water into containers or buckets. If the drain is close by you might be able to use tubing or a pvc pipe to channel the water down into the drain. In this case let the water out slowly so it doesn't spew out the nozzle.
Got a good trick for clearing very firmly stuck plastic from the internal threads? wire brush isn't budging them at all.
Try a blow torch, melt it away.
Thanks for watching. Heat can soften plastic and make it easier to remove. Be careful not to damage the threads but a sharp edge, small screwdriver or chisel can be used to lift or pry the plastic out.
My valve leaks because of sediment probably. I close the screw but water still leaks out plastic valve drain port. Can I screw it all the way out to clean the seat or does valve have to be replaced?
Thanks for watching. In some cases opening the drain valve all the way might allow you to clean it out but there are no guarantees. It is this reason why some people decide to install a 3/4" full port ball valve which is larger and is easier to manage. This is covered in this video here: ruclips.net/video/nGCejMsKNX4/видео.html
What if it's leaking from around the threads of the plastic drain valve? I can see a lot of rust where the plastic valve meets the internal metal body. Can it be repaired?
Hi Dinara, thank you for watching. It would be best to install a new drain valve. When you remove it, you can try cleaning up the threads with a wire brush and some vinegar. If the threads still look damaged or don't make a good seal then you might have to replace the tank.
You can see this repair here: ruclips.net/video/nGCejMsKNX4/видео.html
@@AmreSupply Thank you.
Will converting over to brass cause galvanic corrosion?
Thanks for watching. Galvanic corrosion can occur in certain conditions but a healthy anode rod will reduce any corrosion of the brass valve. Also keep in mind that the factory installed pressure relief valves are also made out of brass.
@@AmreSupply thank you! was just wondering since the original was plastic, and i generally see plastic on GE and some Rheem water heaters. i just wish I'd see more full port ball valve type, but those are added costs.
How did you avoid the flood in your basement?
Thanks for watching. In most cases the valve breaks when the tank is already drained and the plastic drain valve is being removed. In that scenario, not much water would come out.
A piece of plastic got pushed back in the water heater. I tried flushing it out, but haven't seen it come out yet. What happens if the plastic is stuck inside the tank?
Hi Steve, thank you for watching. Those sorts of things happen. Chances are the plastic might settle to the bottom of the water heater but depending on how small it is it might also travel through the system and could end up in one of the faucets. So keep an eye on your faucets as the plastic could cause a blockage but its hard to know for sure.
Why didn't you replace with a full bore ball valve?
Thanks for watching. The ball valve is mentioned in this video. ruclips.net/video/nGCejMsKNX4/видео.html Not everyone wants to assemble a ball valve some people just want a quick replacement. We showed both.
We accidentally broke it's plastic valve in accident when moving things and we didn't know what was going on but this helps, now we just wait for the hot water to be back correct?
Thanks for watching. If the plastic drain valve is broken in any way then you'll want to install a new one. You can learn more in this video: ruclips.net/video/nGCejMsKNX4/видео.html
@@AmreSupply yes we replaced the broken valve and now gives both water but instead of giving hot it gives cold water, could there be something else broken?
@@potatosalad-xn8tn You might need to relight the pilot. ruclips.net/video/d-KRwKdRNYI/видео.html If it still doesn't heat then it could be a faulty control valve or the gas supply could be an issue.
If i try this will all the water in the tank come rushing out? Mine broke and im afriad of taking it off and flooding my house
Thanks for watching. With a plastic drain valve there is always a risk of it breaking. If you follow the steps in this video ruclips.net/video/nGCejMsKNX4/видео.html you can drain the tank before removing the valve. At this point the majority of water should be drained so even if the valve breaks you may only need to deal with several liters of water. Having a plastic bin small enough to fit under the drain valve can also help.
@@AmreSupply no problem thanks for the response I watched the video but I didn't see a solution. I can't start draining it because the part you connect the hose to is snapped off. So I don't know how to drain it without the hose connection
@@lilflossin14 If you are still able to open the valve, then you can drain it manually with a bucket or container. This will take a while but it is still possible to drain the tank this way.
@@AmreSupply thanks again I may have to just call a plumber I only have a little baby sandcastle bucket haha. That'll take ages
@@lilflossin14 Never hurts to call a plumber. Best of luck with the repair!
Thanks. I've tried and given up in fear of breaking it off.
Thanks for watching. It can be difficult to remove plastic valves. Sometimes it just takes a bit of patience but it's still best to prepare for anything.
How do I drain the tank before replacing the plastic valve?
Thanks for watching. We have a full tutorial here on how to drain the tank and replace the drain valve: ruclips.net/video/nGCejMsKNX4/видео.html
@AMRE Supply I can't drain the tank that way. As soon as I start turn the outside of the plastic valve water starts spraying out instead of going out the hose connection. I'm afraid to keep turning it for fear it will either break off or keep spraying water out around the outside of the valve.
@@davejohnson5422 You could drain some of the tank through the relief valve. For the rest of the tank you might need use a bucket or a container and a towel around the drain valve to keep the water from spraying. It might take a long time but if you keep the water from spraying then just switch out the container or bucket and empty it as it goes.
why do they use plastic?
Hi Joshua, thank you for watching. Plastic drain valves are sometimes used in water heaters as they are less expensive overall and will not corrode.
Why not use a pipe extractor?
OK lol now I know why
Thanks for watching. Pipe extractors will damage the thread preventing you from installing a new drain valve.
so sick of all this plastic shite being used for plumbing.
Thanks for watching. Plastic doesn't have the issue of galvanic corrosion but it does break more easily and is more of a source of leak than brass.