Q: Can this be used for the 14 gallon? I know the valve for the 14 gallon is bigger but can't find it anywhere.
A: This vavle is only designed specifically for the 7 gallon Fastferment model
Q: will this fit the 3 gallon fermenter?
A: This is the replacement valve for a seven gallon fermenter.
Q: Does this valve fit the 3 gallon FastFermeter?
A: This model will only fit the 7.9 gallon fermenters
Q: does the valve come with the hose barb as shown in the picture?
A: Correct, the valve will included the barb as well