Range and Oven Observe oven door gaskets.
Check latch function on self cleaning models.
Operate kitchen vent fan and note if ductless or vented to outside. Make sure gas flex line behind the stove isn't crimped and that there is a gas shut off valve on the back that works. Make sure reciprocal is attached to wall. Make sure oven and burners come on and that the flames are mostly blue with a tinge of yellow. Average life expectancy is 15 to 20 years.