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Old 07-15-2019, 03:19 AM   #1
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Cold and hot water pipes reversed


It looks like the cold and hot water pipes on my shower faucet were reversed by our plumber when he installed it recently. He said that he cannot fix it anymore because he would need to break the tiles in my shower room to do so.


Anyway, my shower faucet is a Hansgrohe one and I'm wondering if I can somehow switch the valves inside it as a workaround. Here's its insides:

Any ideas?
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Old 07-15-2019, 06:19 AM   #2
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Re: Cold and hot water pipes reversed


Not sure about Hansgrohe, but with most shower valves you can rotate the valve 180 degrees to swap the hot/cold mix. Turn the water off first. If that fails, what is behind this wall?
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Old 07-15-2019, 06:30 AM   #3
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Re: Cold and hot water pipes reversed


The water pipes have to be somewhere in the building behind drywall.
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Old 07-15-2019, 07:11 AM   #4
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Originally Posted by chandler48 View Post
Not sure about Hansgrohe, but with most shower valves you can rotate the valve 180 degrees to swap the hot/cold mix. Turn the water off first. If that fails, what is behind this wall?
Yeah, the water is already turned off. I guess I need to go deeper and unscrew that big nut. I'm not entirely sure what's behind the wall because I'm trying to go the faucet route first before anything.
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Old 07-15-2019, 07:19 AM   #5
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Re: Cold and hot water pipes reversed


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Originally Posted by kevindd992002 View Post
Yeah, the water is already turned off. I guess I need to go deeper and unscrew that big nut. I'm not entirely sure what's behind the wall because I'm trying to go the faucet route first before anything.
Every other brand tells you how, I think you are out of luck.
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Old 07-15-2019, 07:46 AM   #6
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Re: Cold and hot water pipes reversed


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Originally Posted by kevindd992002 View Post
It looks like the cold and hot water pipes on my shower faucet were reversed by our plumber when he installed it recently. He said that he cannot fix it anymore because he would need to break the tiles in my shower room to do so.

Anyway, my shower faucet is a Hansgrohe one and I'm wondering if I can somehow switch the valves inside it as a workaround. Here's its insides:

Any ideas?
Dang, you pros are getting soft hearted here on DIY. IF the plumber was licensed and was paid to do the project, then whatever happened to the building mantra advice, "Get the guy back and make him do the job right".

The OP should not have to correct someone's mistake, that he paid to get done. Even if the plumber has to break in to the shower water supply lines in the crawlspace or basement and cross them over to get the "cold on the right and hot on the left". JMO
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Old 07-15-2019, 09:36 AM   #7
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Re: Cold and hot water pipes reversed


I'm with throwin down with the plumber. He should fix it, somewhere with access.
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Old 07-15-2019, 09:43 AM   #8
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Re: Cold and hot water pipes reversed


Sort of outside the box thinking, do you possibly have access anywhere other than behind the tile to the shower lines.... maybe you could just splice in and crossover your hot/cold feeds....and forget screwing with the valve.

Good luck
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Old 07-16-2019, 01:06 AM   #9
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Re: Cold and hot water pipes reversed


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Originally Posted by Gregsoldtruck79 View Post
Dang, you pros are getting soft hearted here on DIY. IF the plumber was licensed and was paid to do the project, then whatever happened to the building mantra advice, "Get the guy back and make him do the job right".

The OP should not have to correct someone's mistake, that he paid to get done. Even if the plumber has to break in to the shower water supply lines in the crawlspace or basement and cross them over to get the "cold on the right and hot on the left". JMO
Not getting softhearted in any way. That's the very obvious choice here but that isn't possible in our case. My parents cut corners with the contractor and I don't know the terms but he doesn't want to deal with them anymore. It's more headache dealing with them compared to just doing DIY repairs. This is just one of many problems.

And this is in the Philippines. It's very different with how things work in the US.
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Originally Posted by MTN REMODEL LLC View Post
Sort of outside the box thinking, do you possibly have access anywhere other than behind the tile to the shower lines.... maybe you could just splice in and crossover your hot/cold feeds....and forget screwing with the valve.

Good luck
Well, when the plumber was here I asked him about that and he said there's no way.

Oh btw, I don't think he's even a licensed plumber. He really sucks and we're the one suffering because of his half-baked jobs.

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Old 07-16-2019, 02:41 AM   #10
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Re: Cold and hot water pipes reversed


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Originally Posted by kevindd992002 View Post
Not getting softhearted in any way. That's the very obvious choice here but that isn't possible in our case. My parents cut corners with the contractor and I don't know the terms but he doesn't want to deal with them anymore. It's more headache dealing with them compared to just doing DIY repairs. This is just one of many problems.

And this is in the Philippines. It's very different with how things work in the US.Well, when the plumber was here I asked him about that and he said there's no way.

Oh btw, I don't think he's even a licensed plumber. He really sucks and we're the one suffering because of his half-baked jobs.

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So it can be fixed if you can get in the back of that wall or or find where the pipes are coming from. crawl space ,attic , vanity.
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