TOILET FILL VALVE REPLACEMENT – Plumbing Tips

Posted by in Plumber Talk, on October 31, 2017


All about toilet fill valve replacement. A step by step guide showing you how to fully change a valve on a faulty toilet with out any leaks. We show you how to remove the old valve, install the new valve and adjust the water level and amount in the cistern.

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– Hello and welcome to today’s, plumberparts.co.uk video. Today I’m gonna tell you how to change a bottom entry water fill valve. This one here just doesn’t work, and my customer, Vince, when he’s done a poo it just takes ages to fill up again. We’re gonna change this little beast here. And get it all working for you. Enjoy. So, the first thing we do is go under the toilet here and turn the water supply off. About right there we can see that is now stopped. Flush the toilet. Make sure we can get as much water out of the system as possible. And then after that, grab yourself a towel, or if you’re lucky, you have a wet-vac, vacuum out any remaining water before carrying on. – I thought you’d do a nice thing having tea quickly. – Customer with tea. Once you’ve emptied the system of water go down to where the valve connects just here, and, get your adjustment on that and on the… Well once you’ve taken this knot off here, you’ll see there’s another knot just there. Remove that in the same way. Right, and once you’ve released the knot under there, you should be able to take out the old fill valve. What’s that, let’s get this beast prepared to go in. Carefully remove the valve from it’s packaging. Better be sure you don’t drop anything. Right, so we’ve got this bit here, round this part here we need to put on a rubber seal. It will be in the bag. So I place the rubber seal on, taper, facing the bottom of the toilet. That’s best now to pop this float in. Make sure that the cup is facing downwards, so it can trap air, and lift up the valve to turn it off. Right, now we’re gonna fix this into the toilet, like so. Pop that right down there. Look underneath. I’ll pop both our knot on and tighten that up.
Right, once we’ve tightened this back up we can then make a water tight seal on this flange here. Now this has got an old fiber washer on it, you can either wrap a bit of piece carefully around there, remove it altogether, and put a new fiber washer on. Or, remove it altogether and put a rubber O ring on.
Now I’d always recommend you use a rubber O ring, because they’re a lot easier to seal. So once we’ve got that tightened up, we can then put the special arm, and fill tube, just pop that on, and just push that down, and click that on there. That’s where you want me, sure there’s nothing stopping this from lifting up fully. Okay. Now we can turn the water back on, and test for leaks, and operation. It’s getting there.
Okay now.
Right, test for leaks when you’ve actually finished doing everything, and you know that the joints that you’ve done are actually under pressure. If you need any more help, or any more information on toilets, heating, or anything, related to plumbing, go to our website, plumberparts.co.uk, give us plenty of love on Twitter, and Facebook, and, as ever, subscribe to our videos. I hope to see you next week and I hopeyou have a wicked time, hold tight!

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