There isn't much room down there to work with, so I'm doubting that I would be able to do that. The problem is........these tanks are hooked directly to the water line that runs across the fields from the meter out on the highway to my house. If, for some reason, a fitting were to freeze and burst, and I couldn't shut the water off below the break, then I'd have to shut it off at the meter, and I'd be out of water. I "think" and I use that word loosely, that it's unlikely that would happen, but if it were to get really cold and stay that way for a week, I'm going to be concerned. On the other hand, there may not be a thing to worry about.....providing I put it in right.