American Standard Flushvalve #50 | Noels Plumbing Supply

“American Standard 3280.040-0070A Champion 4 Flush Valve for 1 Piece Toilets” has been added to your cart. View cart

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…

“Love Noel's Plumbing Supply! They are one of my favorite oddball plumbing parts purveyors. As a professional plumber, I rely on sites like Noel's to keep antique and rare fixtures alive. My customers and I are so grateful! ”

-Danielle E.

03/25/2026

$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.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, noelsplumbingsupply@fuse.net, or via the text widget on this screen.

Share on:

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”