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Old 04-08-2012, 03:49 PM
outacontrol outacontrol is offline
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Join Date: Jan 2010
Location: Stony Plain
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I did all of the above, I drilled a small hole in my return line, I installed a george fisher check valve, and my sump has enough capacity to hold the back flow, if the check valve fails and the anti-siphon hole gets plugged.
Why only have one safety in place when I can have multiple.
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