Originally Posted by wmtire
How many switches to the water heater do you have INSIDE the RV?
If you only have ONE switch, it's to the dsi/propane side of your water heater.
If you have TWO switches inside (one for the dsi/propane side and another one for the electric heating element), then you would be OK just leaving the outside switch on the face of the water heater in the ON position.
But here again, if you only have ONE switch to the water heater inside the RV, then it's to the propane side...and you can only control the electric heating element from the outside switch on the face of the water heater.
I only have ONE switch inside on the control panel, that's the only one the dealer showed me. I guess the electric element burned out right after I bought the camper, because the outside
switch was ON from the beginning. Because it is kind of hidden, I never even knew there was
a switch (and nobody had mentioned it) until I noticed it last fall and turned it off for the winter, just in case. I'm sure the el. heating element is not working, because the water is cold unless I turn on the INSIDE switch.
I guess I'll either have the element replaced ($$$
) or use propane only ($$
P.S.: THANK YOU FOR THE INFO, IT IS VERY HELPFUL!