Oval water heater vent

jfrederick · January 20, 2012, 11:06am

Is there an approved oval and/or wall stack water heater vent? Basement water heater vented up through exterior wall to the roof with an oval pipe.

Thanks in advance.

cbottger · January 20, 2012, 2:02pm

Yes there was a double wall class B oval vent used that was acceptable got any pics

jfrederick · January 20, 2012, 2:15pm

No, it was in the wall. Could barely see it in the basement. Attic wasn’t accessible. I’m assuming the 1" clearance still applies, no? Seems like that would be hard to achieve in an exterior 2x4 wall.

Thanks for the reply.

jpope · January 20, 2012, 2:51pm

Yes, 1 inch clearance, assuming it’s a listed BW-vent.

lkage · January 20, 2012, 2:56pm

http://www.duravent.com/docs/product/L204_Mar2011.pdf
See page 22.
Maximum BTU input is:
Single Story = 85,000 BTU
Multistory = 65,000 BTU

cbottger · January 20, 2012, 10:33pm

Nice link Mr. Kage:D:D

jmckee · January 20, 2012, 11:44pm

indeed…