Careful what you ask for- Here you go....12V/24V OR 120V------->
PlantDrive™ International *::*All Products*::*12V/24V DC circulation pump for coolant
Now the real trick would be to find this baby in 110v, and plumb it in front of one of these and put it on a timer. Wanna switch to veg faster?
Our electric is still much cheaper than the equivalent in diesel - less than $.05 KWH. Run both for an hour in the morning before you take off for a few cents...