luvlabs wrote:
Tiffin uses a transfer switch with some surge protection. It is a very basic system. It is recommended that you add a more comprehensive EMS (Electrical Management System) that also monitors ground state, high and low voltages, polarity, etc. The Progressive HW50c or PT50c are two units that will do the job. The HW is built in, the PT is portable.
I've had a HW50c combined with the Tiffin transfer switch on two different coaches and it has worked well. Best thing is that it has a lifetime warranty.
It just seems to me a better option would be to upgrade the onboard system with a Surge Guard 40350 for another $100 over the PT50c which does everything the PT50C does, but then you don't have to mess with a portable anymore or risk getting it stolen.