[Shop-talk] Winterizing Sprinkler System

[Jim Stone]

Good point!  There is about 30’ of back to front slope in my lot. Fortunately, and really just by accident, the zones pretty much run back to front and I blew them out in order the first few times, then in reverse order to be safe. I think I’ll be ok this year, but definitely something to keep in mind for the future!

> On Nov 5, 2019, at 2:34 PM, Ian McFetridge via Shop-talk <shop-talk at autox.team.net> wrote:
> 
> 
> If you have any slope in your yard, blow out from top to bottom zone.  I also remove my backflow over winter.
> 
> On Tue, Nov 5, 2019 at 2:20 PM john niolon via Shop-talk <shop-talk at autox.team.net <mailto:shop-talk at autox.team.net>> wrote:
> You are correct Steve.... the port on the BFP valve is down stream of the 
> check valve on the sprinkler side of the valve so the BFP offers no 
> resistance or blockage for the air at this point... really convenient for 
> doing what we???re discussing.
> 
> j
> 
> -----Original Message----- 
> From: Steven Trovato via Shop-talk
> Sent: Tuesday, November 05, 2019 12:14 PM
> To: Shop Talk
> Subject: Re: [Shop-talk] Winterizing Sprinkler System
> 
> 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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