Originally Posted by youroo
Remove the canister,remove the filter element,place a plastic soda(pop) bottle with cap on inside where the element was,this does (2) things, displaces anti-freeze that will be pumped into the cannister,and allows for expansion from freezing. Cost-O$ Youroo!!
A guy told me he blows up a balloon and puts it in the canister to prevent it from filling with antifreeze. When done winterizing he removes the balloon. Any thoughts???