My heat source is a 90% downflow hot air furnace.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
..


"mm" wrote in message
...
On Fri, 30 Oct 2009 08:18:35 -0400, "Stormin Mormon"
wrote:

Boilers are typically left hot, so there isn't a bunch of
humidity in the boiler, rusting it out. And, boiler systems
often do take a LONG time to recover temp.

Yeah, but do you have one? His first answer assumed you
did.