[JGocek]

Why does the combustion blower on my 11 yr. Heil gas furnace leak water from the bottom ?

[ballengerb1]

Water is a byproduct of fuel combustion. That drainage is supposed to go into a pan and then drain down a tube. Open the unit after you kill the power. Look for the pan and the drain with a flashlight. Where the tube connects to the pan is a frequent point for clogs of dust and debris