www.pmmag.com/articles/96082-updated-flush-valve

Updated flush valve
Delany Products introduces the Flushboy Ultra, a major overhaul of its cornerstone Flushboy valve.
November 18, 2013
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Delany Products introduces the Flushboy Ultra, a major overhaul of its cornerstone Flushboy valve. Improvements include: an updated design on the top cover appropriate for any water closet design; a smaller upper chamber improves the valve’s performance; and Delany’s Regulating Screw allows for on-site adjustability and true in-the-field water conservation. A Rubberflex handle provides a simple and cost-effective solution for maintenance with a tighter seal and virtually leak-free performance. The Flushboy Ultra will be available in 15 different variations, including water saver, consumption and high efficiency.