Elbow vs. Screen for PVC exhaust pipe for Condensing Furnace?
Squirrels have dropped many acorns down my PVC exhaust pipe, which jammed the blower motor. The exhaust pipe is on my roof and it just points straight up. The furnace guy said I should put a screen on it, and noted the squirrels did not drop acorns into the intake pipe which is right next to the exhaust pipe but has a 90 deg elbow on it. So, I’m wondering, why not put a 90 deg elbow on the exhaust pipe too, rather than a screen which can corrode over time? Which of the two reduces airflow more?Thanks.
You don’t want to pull exhaust into the intake.
Yeah the exhaust definitely needs to go up to get as far away from the house as possible as quickly as possible but a screen should be fine in fact I think I’ve seen some guys use plastic screens but I’m not sure where they buy them.
“Is this before or after you fired the parts cannon at it?” – senior tech
I’m tired of these mediocre “semi flammable” refrigerants. If we’re going to do it let’s do it right.
Unless we change direction we are likely to end up where we are going.
“It’s not new, it’s better than new!” Maru.
Instructions & code fairly specific. Refer to your model’s installation manual. Any screen should be noncorrosive and nonrestrictive.Examples:
How short is that pipe that squirrels can do that?How about extending that pipe higher, too.
DEFINITELY do NOT use an elbow!!!!
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Meanwhile, the National Park Service, administered by the U.S. Department of the Interior, asks us to “Please Do Not Feed the Animals”. Their stated reason for this policy “… the animals become dependent on handouts and will not learn to take care of themselves.”
from an excerpt by Paul Jacob in Sun City, AZ
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