[pure-silver] Re: new darkroom
- From: Jean-David Beyer <jeandavid8@xxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Thu, 22 Dec 2011 09:26:00 -0500
Tim Daneliuk wrote:
> On 12/21/2011 09:01 PM, harry kalish wrote:
>> Yes, you have to have an anti-siphon device on each supply line in
>> situations where a flexible line attached to the water outlet can
>> dangle into the sink.
>>
>> Harry.
>>
>
> The "experts" at the local plumbing supply store originally gave be
> the exact backwards installation instructions for these. I thus had
> the pleasure of sweating, removing, and re-sweating these fitting in
> line in the darkroom water supply. Grrrrrrr.
>
That is really sad. I use the kind that have threaded connections. But
the small plastic disk under the "mushroom cap" may be damaged by too
much heat. So check that they still operate correctly. My old ones were
all metal inside but the new ones have a lot of plastic. They do not
last forever. They get deposits and stuff in there
I had a so-called professional plumber in here for some other work and
asked him to replace the vacuum breakers. He said they were not made
anymore, and to just use a check valve (that would violate the plumbing
code, although an anti-backflow valve would probably be code around
here. I said no. I went to the local plumbing supply store for new ones,
but they did not have any. They knew what they were, though. So I went
to where the professionals go, and got a pair. A big box store's
plumbing department does not even know what they are.
This kind of valve would probably also be acceptable:
http://www.watts.com/pages/_products_details.asp?pid=886
I have one like this protecting my domestic water from the stuff in my
hot water boiler that contains boiler treatment chemicals.
--
.~. Jean-David Beyer Registered Linux User 85642.
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