I was wondering how everyone handles this job since I just put in a new heater this year. In the past, I'd just pull off the hoses and let it drain. I once ran plumbers antifreeze through it and it took FOREVER to get that taste out. Soooo, any tips experiences to share? Those of you who life in the sunny south may follow along in the smug satisfaction that this is not your kind of issue. I, on the other hand, have never seen a poisonous snake! Thanks and a Happy(belated) Canadian Thanksgiving to all. David