[Shop-talk] Winterizing Sprinkler System

[Steven Trovato]

I shouldn't really be speaking for John, but I 
think he is just saying that his backflow 
preventer has a convenient port that he uses to 
connect.  I don't think he is saying that the 
backflow preventer presents any other problem for 
the operation.  I am sure John will let us know if I am correct.

-Steve T.

At 12:48 PM 11/5/2019, Jim Stone via Shop-talk wrote:
>Thanks, guys.  I just bought the adapter; it 
>will be here on Thursday, well ahead of any freezing temperatures.
>
>John’s comment about a backflow preventer 
>valve does have me rethinking one aspect of my 
>plan.  The system installer put in an outside 
>hose barb that he intended for blowing out the 
>system, but I had thought it made sense to move 
>ahead of that and start where the system 
>originates in the basement.  I can isolate the 
>sprinkler from the rest of the system and blow 
>it out from there.  Unless there is a good 
>reason not to do it that.  If there is a 
>backflow preventer valve between the hose barb 
>and the basement, might there be a problem blowing it out from there?
>
>Jim


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