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View Full Version : Drain circulator for furnace

derbyred54n
Jan 25, 2009, 12:07 PM
How do you bleed the pipes for a gas fired furnace?
hvac1000
Jan 25, 2009, 01:59 PM
If it is a furnace you do not have to bleed the pipes. If it is a boiler you do if it has air in the lines.