Summary: Old toilet water supply lines can crimp and break, so it's best to replace them with new lines. Learn DIY home repair tips on how to replace a toilet water supply line in this free online home improvement video.
"As I’ve already mentioned, you want to replace your supply line if it’s one of the older kind which can crimp and break. Or if it’s in any way not working properly. So what you’ll want to do is shut off the water on the supply valve and flush and drain your tank. And you can put a towel down on the bottom to get some of the excess water out.
And once you’ve done that, it’s really straightforward. All you’re going to do is take a crescent wrench and loosen the nut that holds the supply line in place onto the supply valve and then you can probably just do it by hand if it has a plastic nut at the top. But loosen that one by hand and really that’s all there is to it. You just do the opposite and reverse to put the new one back on. "
eHow Article: How to Replace a Toilet Water Supply Line
Comments
diyerstr8z said
on 10/13/2008 You should mention that sometimes the supply line and valve are one piece, so you can't just replace the line--you have to replace both the valve and the supply line. I see this with some valves which have corrugated metal supply lines. Hopefully no one is trying to loosen a nut on these!
not-so-handytim said
on 3/20/2009 Great video, but I have one more problem in this process. What if the plastic wingnut on the end of the PEX doesn't fit properly on the toilet. I have a new plastic wingnut and rubber washer that came with the toilet kit (and therefore fits corretly), but how to I pull off the old wingnut and put the new wingnut on the PEX without damaging it. Thanks.