I figure someone here would be able to explain how to use a Magnehelic
Gauge as a Draft Gauge on a Cozy Dual Wall Furnace?
What measurement should one see on a properly venting gravity furnace
alt.hvac has not changed much in the last 10 years, there's always
some clown trying to be at the center of it all...
So you're a clown trying to understand the significance of draft in a
1940's gravity furnace? What exactly are you wanting to know?
Any measurement one should see, is the current condition of whatever
one is measuring. You may be wondering what some draft
parameters must be? You should look for a service technician to
My post was a spot-on analogy to your post. You'll never
get it. I now see that.
Think better before you type & post, will ya?
her throat and whether It really made any difference?,</b>
But I did figure it out though, the new furnace installed was so
efficent with the InShot style burners that the old Oval Transite
would never come to temperture warm enough to develope a good draft.
Who ever installed it should have used B-Vent and we never would have
had the problem ( Or if had been a higher Btu that old Transite Pipe
wold not have cooled the vent gas so quickly)
Sure glad we do not see this old stuff much...
LarryL had written this in response to
I just thought I would put this out there for those of us who use the
Magnehelic. I have started using a gauge from a company called Sensocon
that is very similar to the Magnehelic and I have found it to be just as
reliable. It isn't made by Dwyer, but in my opinion it is nice to have
another option. They have a distributor that sells them on line for $56
if anyone is interested the link is
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