Spot your water heater from outside, then look inside for a removable panel where the backside of the water heater is.
Look in there.
If it is please consider removing it all together and put it outside.
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping