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 Brass Non Potable Check Valve, Downstream
Author: solt (NY)

Hello,

I recently installed a utility sink using a Y connector to the washing machine supply and I'm sometimes getting a bit of a soapy taste in the water...

So I purchased a brass check valve to install between the Y and the washing machine hose and I noticed that the label states "not for potable use". Is it still an issue to use it in this application, where it is downstream from the potable water supply? I.e there's the Y, then non potable check valve, then washing machine hose, on the other side of the Y is a drinking water hose.



Edited 1 times.

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 Re: Brass Non Potable Check Valve, Downstream
Author: packy (MA)

SWDA = safe water drinking act.

"The SDWA includes several exemptions from the lead free requirements, specifically for plumbing devices that are used exclusively for nonpotable services, as well as a list of specific products: toilets, bidets, urinals, fill valves, flushometer valves, fire hydrants, tub fillers, shower valves, service saddles, or water distribution main gate valves that are 2 inches in diameter or larger."

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 Re: Brass Non Potable Check Valve, Downstream
Author: hj (AZ)

Your "soapy water" is NOT coming from the washing machine unless you have some very unique, and illegal, way it is connected.



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 Re: Brass Non Potable Check Valve, Downstream
Author: packy (MA)

a number of years ago, the local water backflow inspector came into our downtown Laundromat and told the owner he needed a backflow device on his incoming water service. ( 1 1/2 testable rpz)
despite the fact that there were no sinks just machines, he still insisted.
i had the owner contact maytag and get a letter from their engineering dept stating that there was no way for wash water to back up given the model machines he had.
our plea fell on deaf ears and I had to install a 1 1/2 inch RPZ device. you know what that cost...

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