Here's the 2010 Brochure for the Sprinter Select...
http://www.keystonerv.com/media/3250...nterSelect.pdf
It appears (from the brochure, *if* correct) you may have an LP/gas ONLY water heater.
"6 Gallon [DSI] Direct Spark Ignition Water Heater"
Typically if it were both, gas and electric, it's advertised as such.
Terri, the Chevy co-pilot