On Nov 6, 7:10 am, wrote:
On Mon, 05 Nov 2007 20:44:29 -0800, wrote:
Dear Readers,
What are you, Ann Landers ?
Pls keep this stuff out of alt.hvac.
The supply/return pipes that come out of my furnace (I've learned not
to call it a boiler) are threaded black pipe. Only after the
circulators and expansion tank are they changed to copper. I assume
this is to help bear the weight of these pieces of equipment on the
line. Am I correct? Or is it that copper pipe cannot be within a
certain distance to the furnace due to heat or possibility of galvanic
action or some other reasons? Any ideas?
Thank you.
Regards,
Anthony
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