I have a in-ground drip system in Phoenix Arizona. It recently was below freezing in Phoenix and the Febco 765 3/4 has been dripping ever so slightly and does not seal. I opened it up and inspected it, which seems to have good valve movment and appear to seal fairly well, but has a very slow drip. I tried putting some telfon tape on the threads of the plastic inserted valve, but no luck. Does anyone have expierence in these freezing but not breaking any of the plastic parts? Would replacing the ...
