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Looking for a replacement fill valve for the 4043 American standard what should we use
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good day; have a 4043 toilet which suffers from calcification in the pipes and does not longer flush as it once did. hoping you had an identical replacement unit. if not (cannot find on the website), do you know what the 'rough in' measurement for this type of toilet is? will help me figure out which modern unit to buy for replacement. thank you for any information. (asked American Standard; they say it is too old and do not have specs anymore)
Thank you for using This Old Toilet.
12" is the normal rough-in from the original finished wall to the bolts or rear bolts. Your tank was also part of a 14" rough-in model, though very rare.
We do not sell complete salvaged toilets, just components, few bowls. Regardless, it would just be someone else's used toilet which might be better or worse than yours.
To remove calcium in the trap-way (aka "pipes"), a can-do service plumber might be able to apply diluted muriatic acid and achieve improvement. Not a DIY task! Muriatic acid is dangerous.
For internal rebuild parts, contact our fulfillment affiliate at 603-249-9100 or TOT@TheAnswerLine.com.