Is there a water heater, or cold water only?
Does this run by propane or charcoal?
What quantity of corn or potatoes will this cook per hour at 80-84 at a time?
Is there a hand wash sink beside the triple sinks?
The ONLY sinks on the unit is the triple sink
How many ears of corn can you cook at a time?
Is this a manual rotating or electric?
Does it have a gray water tank? If so, what size?
No, the fresh water tank (jug on top) drains into sink..which then has a pipe that just exits the machine. No gray water tank.