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Rainbird DVF - 100 valve base cracking breaking
Is anyone else having problems with dvf-100 valves breaking / splitting at the main threaded base and or body that are manufactured around May - July 2011? I've seen more of these break this year than ever before. The several hundred Rainbird dv valves that have been installed up to 8 years prior to last year are humming along pretty well. But the ones mentioned above have a high failure rate.
The manufacture date is located on the bonnet(top) and there might be a cryptic molding date on the bottom of the valves base.
FYI, its not over tightening or over taping, freezing etc...
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