The solution is to remove the switch entirely and put an indoor switch in. Very simple and you can use a residential switch with an indicator light to show when the switch is on. You will never have to go outside to turn the switch on and you will never have to replace a melted switch again. Did that on two trailers and had no more problems. Current trailer has no outside switch.
I've thought of installing a much higher rating switch and / or installing a lower rating heating element or getting rid of the switch entirely. I don't want the wires to melt and possibly cause a fire.
What kind of lighted indoor switch did you use?
I asked Suburban if I could eliminate the switch because I never use it and they said "We don't recommend doing that". Why I dunno.
