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Old 12-01-2009, 11:29 AM
 
Location: Durham
66 posts, read 137,006 times
Reputation: 100
Quote:
Originally Posted by CHTransplant View Post
I have never done anything more than shut off the water and remove the backflow valve. The ground doesn't freeze here as it does up north, and it's not necessary to blow the lines out. Save your money.
I second this.
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Old 12-01-2009, 01:23 PM
 
42 posts, read 123,276 times
Reputation: 23
We've had nothing but problems with our above ground backflow from inception (2006). A brand new system from a "reputable" contractor. I'll spare the details, but we used to be of a similar mindset (save your money & do it yourself)....but no longer. Eventually, a cold snap catches up with you & those tempermental backflow valves develop tiny fissures inside & leak. Who would have thought a benign, inconsistent drip could lead to $400 water bills- eek! We have a great guy now, a new backflow & he only charges $50 to winterize & blow out your lines (the installation company charged $150-$175 for the same thing). Feel free to PM me if you'd like the info. Good luck!
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Old 12-01-2009, 01:50 PM
 
94 posts, read 284,242 times
Reputation: 71
Quote:
Originally Posted by ladyvet2006 View Post
That's part of our problem...we cant get the stupid thing off. Any suggestions? A wrench is not big enough

Have you tried releasing the pressure inside by turning the threads on the 3/4 valves on the "stem" part of the backflow? Once you do that, it becomes a little easy to unscrew one end and then you can unscrew the other ..

If not, look up videos on youtube. My husband learnt how to do it from them. I can even ask him in the evening if he can point you to a video.
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Old 12-03-2009, 02:20 PM
 
Location: Cary, NC
115 posts, read 195,010 times
Reputation: 54
Quote:
Originally Posted by Beermat View Post
I use A1 Backflow and Irrigation in Cary - 919 674 2078 - who are excellent
Thanks! I used them and he was friendly, knowledgable and quick! I will be using him in the spring also...our rain sensor is not working.
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Old 12-03-2009, 06:16 PM
 
1,077 posts, read 1,637,532 times
Reputation: 824
Quote:
Originally Posted by ladyvet2006 View Post
Thanks! I used them and he was friendly, knowledgable and quick! I will be using him in the spring also...our rain sensor is not working.
I am pleased that it worked out for you I also have found them to be very good and the piece of mind that I get when they blow compressed air to get the water out the system is worth the $60.
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Old 12-04-2009, 06:42 AM
 
Location: Chapel Hill, NC
8,114 posts, read 11,148,036 times
Reputation: 7075
Quote:
Originally Posted by bnatale View Post
We've had nothing but problems with our above ground backflow from inception (2006). A brand new system from a "reputable" contractor. I'll spare the details, but we used to be of a similar mindset (save your money & do it yourself)....but no longer. Eventually, a cold snap catches up with you & those tempermental backflow valves develop tiny fissures inside & leak. Who would have thought a benign, inconsistent drip could lead to $400 water bills- eek!
Well you do have to remove the backflow valvle - that's a must. I wasn't meaning to suggest in my earlier post that one do nothing. Just that it's not necessary to blow the lines out.

As for the difficulty removing it, I have a large set of Channel Lock pliers that I use only for removing my backflow valve. They adjust wide enough to be able to loosen the connectors until I can remove it by hand.

http://www.channellock.com/acb/stores/1/images/480.jpg (broken link)
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