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Old 06-21-2011, 10:38 AM   #1
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12" on a 14" rough-in?


hi. thanks for all the help y'all have given me on my other questions.

my latest problem is this: my toilet tank cracked along the side of the tank so i have to get a new toilet (can't find just the tank).

my question is that currently i have a 14" rough-in but all the new toilets are 12". can i just buy the 12" and install it? 14" are expensive and have to be special ordered - home depot does not have any.

will it just mean i'll have a larger gap behind the tank? is that a problem? is there some sort of code i'll be breaking and if something happens my insurance won't cover me?

i'm planning on buying a one-piece toilet.

thanks!

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Old 06-21-2011, 04:28 PM   #2
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12" on a 14" rough-in?


Yes you can install a 12" rough toilet on 14" rough plumbing. Install a block of wood on the wall behind the tank to prevent some heavy weight from leaning back and breaking the tank. You are right that buying a 14" rough gets expensive but be glad the plumbing is not roughed at 10" like mine

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Old 06-21-2011, 04:32 PM   #3
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12" on a 14" rough-in?


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Originally Posted by rjniles View Post
Yes you can install a 12" rough toilet on 14" rough plumbing. Install a block of wood on the wall behind the tank to prevent some heavy weight from leaning back and breaking the tank. You are right that buying a 14" rough gets expensive but be glad the plumbing is not roughed at 10" like mine
great. thanks. my only problem is i don't have hardly any room in front of the toilette as is and from what i understand the new install of a 12" will eat up 2 more inches in front?
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Old 06-21-2011, 04:56 PM   #4
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12" on a 14" rough-in?


If the 2" is a problem, then bite the bullet and order the 14" rough or move the toilet flange back.
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Old 06-21-2011, 06:18 PM   #5
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12" on a 14" rough-in?


Depending on the toilet, your front dimension will be the same. Most manufacturers use the same bowl with a bigger tank for 14" rough.
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Old 06-21-2011, 06:30 PM   #6
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12" on a 14" rough-in?


I wonder if an "offset flange adaptor" can be used to move the toilet back 2"?

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