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Oh oh... with the installation of a new master bath, we have a problem with the water to the tub. It goes through a Hansgrohe iBox then PEX to a filler and a separate hand-sprayer. We now get a rusty burst of water (not the first few inches but a big shot of brown for about 10" of water and then it runs clear). This happens after about 10 hours of non-use (and is worse if we let it sit un-used for more than 24 hours).
My plumber thinks that maybe there is a galvanized failure at a nipple where the filler is hooked. I think it's a drywall nail used by the tile guys when hanging the backer board (right through a steel plate - and he did this before).
There is really no leak because the water is only flowing through the supply during filling (so nothing is under pressure).
Here's a photo of the area in question. The colored pink areas is where I think water is rusting and I'm suspecting a screw at the blue dot. The plumber wants to first replace the nipple (as that is easy - can't blame him), but replacing that PEX will be a beast.
Seems to me that rust wouldn't build up this fast (even with an old galvanized pipe). This doesn't happen ANYWHERE else in the house and, again, doesn't happen with the hand-held sprayer that is coming from the same iBox.
Thoughts?
My plumber thinks that maybe there is a galvanized failure at a nipple where the filler is hooked. I think it's a drywall nail used by the tile guys when hanging the backer board (right through a steel plate - and he did this before).
There is really no leak because the water is only flowing through the supply during filling (so nothing is under pressure).
Here's a photo of the area in question. The colored pink areas is where I think water is rusting and I'm suspecting a screw at the blue dot. The plumber wants to first replace the nipple (as that is easy - can't blame him), but replacing that PEX will be a beast.
Seems to me that rust wouldn't build up this fast (even with an old galvanized pipe). This doesn't happen ANYWHERE else in the house and, again, doesn't happen with the hand-held sprayer that is coming from the same iBox.
Thoughts?