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Sprinkler Blowout

Posted by Steve on December 30th, 1997 01:38 PM
In reply to air compressor by jimbo on December 30th, 1997 12:47 PM [Go to top of thread]

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I blowout my sprinkler system, configured very similar to yours, with a 3HP / 12 gallon compressor. Ideally, you'd have a 25 gallon (or larger) tank, but it is not necessary. Do each zone at least twice, starting with a fully charged tank each time - being a little paranoid about my self-installed system, I do each zone three times. Be sure you don't force excess pressure into the system. 45-50 PSI should be OK on the "big" zones, go with 30 on the zone with little heads.

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