One more thing to check is propane pressure. You might also pull the propane line at the water heater turn propane on and listen at the line. If you hear gurgling you probably have oil in the...
I will check the gas line. I going to assume the regulator is good as all other gas appliances work fine.
Do you use a water softener, Brucie?
Well now, water heater is working fine. The gremlins must have left don't know. We'll see.
Time for a new Moho to go along with that cool Jeep dude.