12-04-2015, 06:36 AM
You can buy the drain cocks at NAPA. If your tanks don't already have them take a plug in with you. My large round tanks already had drain cocks but all the cross member tanks had plugs. The pipe size was 1/2" but NAPA call them 3/8" because that is the size of the drain hole. I hope this helps.
Chappell and Mary
2004 Foretravel 36 foot