Give these guys a call, if they're close to you... everything is So Cal when you're in AZ.
http://www.topplumbingca.com/
It's Jamie and Char from the old hotboat days. The FlyinVees. Really good people and if they can't help you I'm sure they can point you in a direction. Char knows her shit and has walked me through stuff before when I had a slab leak and was trying to find it.
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