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valve for water powered sump pump? toller 02-12-2005
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Posted by toller on February 12, 2005, 8:47 pm


About a year ago a friend asked me about installing a water powered sump
pump for him. I checked with the town and they require an expensive valve
to insure there is no backflow between the pump and the water supply; if I
remember correctly, there are two kinds that could be used, and they require
the expensive one. Ultimately the friend decided not to do it, so I forgot
about it.

Today he called wanting it to go in before he goes on vacation Monday! It
is a simple enough job, but I can't remember what the valve the town
required was. An ideas?




Posted by Speedy Jim on February 12, 2005, 3:53 pm


toller wrote:
> About a year ago a friend asked me about installing a water powered sump
> pump for him. I checked with the town and they require an expensive valve
> to insure there is no backflow between the pump and the water supply; if I
> remember correctly, there are two kinds that could be used, and they require
> the expensive one. Ultimately the friend decided not to do it, so I forgot
> about it.
>
> Today he called wanting it to go in before he goes on vacation Monday! It
> is a simple enough job, but I can't remember what the valve the town
> required was. An ideas?
>
>

http://www.irrigationtutorials.com/links/backflowmanf.htm

Jim


Posted by Bob on February 12, 2005, 8:48 pm


backflow valve.


> About a year ago a friend asked me about installing a water powered sump
> pump for him. I checked with the town and they require an expensive valve
> to insure there is no backflow between the pump and the water supply; if I
> remember correctly, there are two kinds that could be used, and they
require
> the expensive one. Ultimately the friend decided not to do it, so I
forgot
> about it.
>
> Today he called wanting it to go in before he goes on vacation Monday! It
> is a simple enough job, but I can't remember what the valve the town
> required was. An ideas?
>
>




Posted by Harry K on February 12, 2005, 9:44 pm



toller wrote:
> About a year ago a friend asked me about installing a water powered
sump
> pump for him. I checked with the town and they require an expensive
valve
> to insure there is no backflow between the pump and the water supply;
if I
> remember correctly, there are two kinds that could be used, and they
require
> the expensive one. Ultimately the friend decided not to do it, so I
forgot
> about it.
>
> Today he called wanting it to go in before he goes on vacation
Monday! It
> is a simple enough job, but I can't remember what the valve the town
> required was. An ideas?

this is a bit OT but...Why would anyone install a water powered one??
Wouldn't a standard electrical one do the job? This is a serious
question, not trying to be funny or anything. I can only figure one
possible reason - power outage with city water still available.

Harry K



Posted by Roby on February 13, 2005, 12:28 pm


Harry K wrote:

>
> toller wrote:
>> About a year ago a friend asked me about installing a water powered
> sump
>> pump for him. I checked with the town and they require an expensive
> valve
>> to insure there is no backflow between the pump and the water supply;
> if I
>> remember correctly, there are two kinds that could be used, and they
> require
>> the expensive one. Ultimately the friend decided not to do it, so I
> forgot
>> about it.
>>
>> Today he called wanting it to go in before he goes on vacation
> Monday! It
>> is a simple enough job, but I can't remember what the valve the town
>> required was. An ideas?
>
> this is a bit OT but...Why would anyone install a water powered one??
> Wouldn't a standard electrical one do the job? This is a serious
> question, not trying to be funny or anything. I can only figure one
> possible reason - power outage with city water still available.
>
> Harry K

You're right! During the Great Blackout of 2003, it would have worked ...
until the water towers emptied out (which happened here). To avoid a
replay, city spent $$$$ on several huge diesel-electric units to supply
emergency power to the muni pumps.

Roby


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