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TomR[_3_]

wrote:
On Thu, 3 May 2012 15:23:24 -0400, "TomR" wrote:

EXT wrote:
"Bruce K." wrote in message
...
I was told that I couldn't convert my heating system to gas because

"my chimney won't tolerate the exaust heat"

I would appreciate any opinion on this.

Thanks in advance.

Bruce

Gas runs cooler than oil. In the past gas required a double wall
class-B metal chimney and oil required an insulated class-A chimney.
A masonry chimney could be used if it was lined. . . . ,

Speaking of class B (or Type B) metal chimneys, I am in the middle
of trying to get one figured out. I'll post a new thread about my
situation and questions.

Now gas condensing furnaces/boilers need only a plastic pipe.

I my case, I couldn't change my boiler to a high efficiency
direct-vent system without a huge expense because I have a one-pipe
steam radiator heating system. They don't make high efficiency
direct-vent steam boilers and changing over to a hot water system
wouldn't work because I have one-pipe (not two-pipe) radiators now.

OK - a totally different situation. You wanted to convert your BURNER
from oil to gas. Chimney liner.

I think you misunderstood what I was trying to communicate. In my case, I
already have a gas burner for the steam heat, and I wasn't looking to
convert from oil to gas. I was just pointing out to the OP (who apparently
posted his/her original post and never returned to read the replies) that
depending on the type of heating system, it may or may not be practical to
try to convert to a high efficiency direct-vent system. And, yes, in my
case lining the chimney and adding B-vent on top looks like it is going to
be my best option to solve my chimney issues.