American Standard Flushvalve #50 | Noels Plumbing Supply

Black plastic actuator unit black rubber disc copper and brass screws brass seat greyy rubber gasket and polished chrome trip lever with brass arm.

WHAT OUR CUSTOMERS SAY…

“I was very happy with Noel’s Plumbing. I was searching for a fairly rare part and saw it listed on their website. After placing my order, I was informed that the item was actually on backorder. Noel’s Plumbing was upfront and honest right away, letting me know it might take some time to arrive. Throughout the wait, they consistently kept me updated, which I really appreciated. When the part finally came in, they shipped it out immediately. It arrived exactly as described and was precisely what I needed. Excellent communication, honesty, and follow-through. Thank you, Noel’s Plumbing! ”

-Dave F.

04/04/2026

$99.47

The American Standard 3156.031 (also referred to as part 3156031) is an vintage #3 or #50 Curtin “Coffee Can” style flush valve, primarily used in older American Standard one-piece toilets from the 1970s and 1980s.

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American Standard Rebuild Kit for Curtin Flushvalve

#50 3156.031 Old #3

Coffee Can Style Flushvalve for Old 1 Piece Toilets
It is designed for old one-piece toilets, specifically those using the Curtin #50 or the #3 coffee can style flush valve system.

Related document

American Standard 47087-0700 Parts Breakdown

This kit replaces the obsolete “coffee can flushvalve”