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 rough-in shower valve body
Author: jayw (KY)

Hi I have a delta 1400 series tub/shower valve. I was unable to get the bonnet nut off to replace the cartridge. I ended up breaking the whole valve body which definitely needs to be replaced. I currently don't know how I will get to it without destroying my one piece tub and surrounding. I can't access it on other side of wall either because another bathroom is on the other side with a one piece tub and surround. Any suggestions?

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 Re: rough-in shower valve body
Author: pbw (OH)

Moen makes a large trim piece to cover a 3 handle tub-shower faucet. after reading all instructions, carefully cut the tub wall, after shutting the water off, cut out the old valve out & replace with new. hole should be more than large enough to work in. only drop your mini cutter once or twice where it can't be retrieved.(I used a magnet to retrieve mine)
suggest this to your plumber if you can't do the job.

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 Re: rough-in shower valve body
Author: m & m (MD)

How did you manage to do that? If the nut is grasped too tightly with pliers you may have distorted it but that shouldn't have ruined it at that point.

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 Re: rough-in shower valve body
Author: jayw (KY)

I was trying to loosing it up with tapping on the wrench with a hammer then applying a little force. I felt it move which was part of the body. I stopped b/c I didn't want to break anything but I already did. I found out when I turned water back on. The part of the body that was comprimised looks like cartridge holder and the valve. 3 brass pieces (if that make any sense.) The valve is still attached inside the wall with water lines running to it.

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 Re: rough-in shower valve body
Author: m & m (MD)

Got it. That's not the 1400- it's pretty hard to mess it up. You have the old style Delta and it's pretty easy to mess it up. At this point, replacement is next in order. With no access, you'll have to replace it from the front using a remodel plate.

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 Re: rough-in shower valve body
Author: hj (AZ)

You obviously have NEVER seen an older Delta shower/tub valve. It is VERY easy to destroy the valve by twisting off the three small tubes that join the two sections. A good plumber can repair it, but very few try to do it.

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 Thank you all for all your help. :)
Author: jayw (KY)

Thank you all for all your help. I did end up cutting a bigger hole, replacing the unit, and using a remodel plate to cover it.



Edited 1 times.

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