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October 19, 2:06 PM [GMT -5]

Re ndphan comment about "winterization required on the section of piping filled with water that goes back to the water supply?"

I'm sorry, but I am not familiar with a section of piping that goes from the sprinkler heads back to the water supply. I thought that all sprinkler systems are one direction only, from the water supply / valveing to the sprinkler heads?

June 16, 12:53 AM [GMT -5]

Doesn't FH staff monitor these comments.... this question was asked over years ago... plus you will never blow out a majority of the water only with the small diameter air hose... never get enough cfm into the system. You will be able to get about half the water out of the system.... then only be blowing air over water in a half filled pipe.

November 07, 5:31 PM [GMT -5]

This is very helpful guidance and tips on half the job...especially the specs on the amount of pressure and warning not to melt the sprinkler mechanism by operating too long on air. What about the other half of the job? Isn't some form of "winterization" required on the section of piping filled with water that goes back to the water supply? This section includes the backflow preventer unit which has a hefty cost if replacement is needed. Guidance/insight on the other half of the job will be appreciated. Thanks.

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How to Winterize a Sprinkler System

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