mine is a little older so not sure if close,'
to start, it is self lighting, switches under sink, will be the one all the way on left, this is to light gas side, up is on, will hear it clicking
now my ac switch is on outside side of heater ,where drain and such are, I just leave off, I have always run on lp,
I just always turn the lp on and light that stuff up,,,
hope this helps