Originally Posted by wmtire
Totally spitballing here, but I am wondering if perhaps an aftermarket electric heating element was added to a propane only water heater...... like a hott rod or lightning rod.
Let me do some research and see if the controls for any of these add-ons may have the slider switch drivmsafe is describing.
I have an aftermarket electric heating element (425w) added to the low end atwood propane only that came with the coach. It works just like the factory gas/electric models.