True that. A low voltage cut-off will save a lot of trouble more times than a surge protector. I know our original A/C died from low voltage over a long period. Built-in management system including low voltage and surge is the next new improvement, after the new tankless hot water, the ProPride, and a better 3-stage converter that we installed already.
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'The Silver HamShack' (2007 International 22FB CCD 75th Aniversary model)
Multiple Yaesu Radios inside and many antennae sprouting from roof, ProPride hitch
2012 shortbed crewcab 4x4 Toyota Taco TV with more antennae on it