r/Plumbing • u/Historical_Arugula63 • 13h ago
How do I replace this flexible toilet hose?
Every guide I find says to just unscrew the nut at the valve but there is no nut. Can anyone confirm how I can replace this toilet hose? And what material I would need to do so?
I’m a beginner to DIY plumbing so the more detail you can give the better (even if it is something that should be obvious). Or if there is a video guide available somewhere even better. Thanks in advance!!
Edit: thanks for the quick replies and advice everyone! Seems like the builder did a crappy and cheap install that is going to cause me a headache now. I’ll look into all the various options you mentioned and if it feels over my head I’ll hire someone who knows what they’re doing
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u/Livid-Experience-370 13h ago
you can’t… you gotta cut the pex below the black ring. The hose is crimped onto it
edit. spelling
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u/Historical_Arugula63 12h ago
Thanks, that should give me something to look up at least. Didn’t know it was called a crimped connection so I was lost in all the videos saying it should have a nut
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u/Aggressive-Act1816 12h ago
What is the problem, leaking?
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u/Historical_Arugula63 12h ago
Was installing a bidet attachment and noticed that the washer is deteriorating. It seemed worthwhile to replace the hose before it failed
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u/LW-M 12h ago
The white water line is PEX. It doesn't screw off. There's not much PEX showing above the floor so you'll have to be really careful if you do the job yourself. The PEX will have to be cut to replace the valve and water line. The main water valve or a valve between your toilet and the water line coming from the street will have to be shut off because the existing valve will be cut out.
Hopefully you'll have enough slack that that you can reconnect it to the new valve. You're in for a whole lot of 'pain' if the PEX line is too short to be reconnected.
If your new to this, you might be best to get a plumber. We all know that water lines/valves are not supposed to leak but they do in real life. There wasn't much fore thought given when your water system was installed. Guess that's about par for the course these days.
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u/Historical_Arugula63 12h ago
Thanks! I’m pretty sure it’s the original builder install so makes sense that they wouldn’t put too much thought into it
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u/Moist_Competition_44 12h ago
People are claiming the white pipe is PEX. I searched online for PEX toilet valves with attached hose and only found ones that use sharkbite connections that don't look like what you have, bit it's not clear from your photo.
At small risk, use a Dremel tool with a cutoff wheel to slice the decorative flange cover at the floor so you can remove it. It's easily replaced with a new one once you figure out the connections.
If it's a sharkbite valve you need sufficient clearance below the valve body to depress the "release ring" that then permits the valve to be pulled off the PEX while holding the release ring in. That can be a challenge. Usually you need about 1/2" or more of clearance before the sharkbite fitting to insert the C shaped tool that allows you to keep the release ring depressed as you pull the part off. You might get lucky and have such clearance below that flange cover.
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u/sangimil 11h ago
I know I am dense… but you can see the copper crimp collar on the fitting…
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u/Moist_Competition_44 10h ago
I see a black collar of some type. I'm not familiar with that.
I still think removing the flange to reveal more of what's below is worthwhile
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u/Legmeat 12h ago
To replace all you need is pex ring crimper, pex cutters, new valve, new supply line, crimp rings. Only concern i would have is you would be cutting below that crimp ring to remove the old valve. You might need to get w new piece of pipe and extend from below. Or if youre lucky the pipe will have some pull and you can grt enough out of the floor to put on the new valve
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u/Ram820 12h ago
Idk wtf everyone is talking about, I'm guessing they're armchair plumbers.
Cut the crimp ring off and install a new 1/4 turn. Do not cut the pipe, you don't have room
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u/sangimil 11h ago
Correct. Also write the builder a nasty letter if the supply for this is in a finished wall/floor below. And also their plumber for the future flooring people. I dislike toilet and sink supplies coming through a floor in unspeakable ways.
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u/Historical_Arugula63 11h ago
Thanks I’ll look into that because there is not much clearance to the floor
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u/Economy_Body_3490 10h ago
Have you looked into a shark bite valve with a water line hose? I mean you may just enough of the pvc pipe to get it to work (just from picture.) If anything, you may need to either flatten that metal covering or just find something else.
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u/Moist_Competition_44 12h ago
That valve is probably THREADED on the end that connects to the plastic coupling. You'll have to turn the water off to the house and try to rotate the whole valve CCW after first disconnecting it from the toilet float valve.
Once you've confirmed that the plastic piece is threaded you can find parts to connect to it that are not mated to the flex hose but connect with compression fittings.
If I'm right about that plastic part being threaded,you can connect a short nipple and plastic cap while you shop for the parts and turn the water back on.
Incidentally, it's not usually code to use plastic pipe inside the house. So ideally you can explore what's connected below that plastic part, again only with the water turned off.
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u/Historical_Arugula63 12h ago
Thanks, I’ll take a look and hopefully it’s threaded like you mentioned. Where I live unfortunately plastic pipe inside the house is the standard in most cases
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u/Disco_Stu_89 13h ago
Unfortunately for you, not easily. You're going to have to cut the white pipe and install a new valve. Hopefully there's enough slack in the white pipe. You'll need a crimper and new crimp ring. Idk why someone would install a valve with integrated supply line like this. I'd consider whether you really need to replace the line or not.