<div><br></div><div><div dir="auto">If you have any slope in your yard, blow out from top to bottom zone.  I also remove my backflow over winter.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Nov 5, 2019 at 2:20 PM john niolon via Shop-talk <<a href="mailto:shop-talk@autox.team.net">shop-talk@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">You are correct Steve.... the port on the BFP valve is down stream of the <br>
check valve on the sprinkler side of the valve so the BFP offers no <br>
resistance or blockage for the air at this point... really convenient for <br>
doing what we???re discussing.<br>
<br>
j<br>
<br>
-----Original Message----- <br>
From: Steven Trovato via Shop-talk<br>
Sent: Tuesday, November 05, 2019 12:14 PM<br>
To: Shop Talk<br>
Subject: Re: [Shop-talk] Winterizing Sprinkler System<br>
<br>
I shouldn't really be speaking for John, but I<br>
think he is just saying that his backflow<br>
preventer has a convenient port that he uses to<br>
connect.  I don't think he is saying that the<br>
backflow preventer presents any other problem for<br>
the operation.  I am sure John will let us know if I am correct.<br>
<br>
-Steve T.<br>
<br>
At 12:48 PM 11/5/2019, Jim Stone via Shop-talk wrote:<br>
>Thanks, guys.  I just bought the adapter; it will be here on Thursday, well <br>
>ahead of any freezing temperatures.<br>
><br>
>John????????s comment about a backflow preventer valve does have me rethinking <br>
>one aspect of my plan.  The system installer put in an outside hose barb <br>
>that he intended for blowing out the system, but I had thought it made <br>
>sense to move ahead of that and start where the system originates in the <br>
>basement.  I can isolate the sprinkler from the rest of the system and blow <br>
>it out from there.  Unless there is a good reason not to do it that.  If <br>
>there is a backflow preventer valve between the hose barb and the basement, <br>
>might there be a problem blowing it out from there?<br>
><br>
>Jim<br>
<br>
<br>
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