<strong>Yahoo Message Number: 66201</strong>After being balky and humming for a while, my transfer switch will no longer latch. It is a Parallax 5070. So, my options are to attempt to repair the 5070 or replace it and if replacing it the options seem to be another Parallax, an IOTA, a Dynamic Progressive, Surge Guard or a Lyght Power. They are all pretty close in price, $140 to $220 or...