On Sun, 17 Jan 2016 08:47:35 -0800 (PST), DerbyDad03
wrote:



I'm not familiar with power rodding. My brain goes to downward pressure
which makes me wonder how power rodding would *pull* a rubber ball out of
vent stack.

Please explain.

He tried a snake first and the ball stopped it. The power rodder (fed
by electrical power) dug into the ball and was attached to the spring
end when he extracted it. Probably took a lucky bite.