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Old 08-10-2012, 06:36 PM
anotherbrian anotherbrian is offline
LawnSite Member
Join Date: May 2011
Posts: 21
I have an existing back flow preventer. Our regs in our locality would require certified testing (spelled d-o-l-l-a-r-s) if I touch it (or replace it). So I am leaving it alone. It sits a foot above ground level (give or take) and every sprayer for that matter.

I am using 1" valves.

The gnat thing sounds interesting.
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