Speedi-Products BV-A90 05 5-Inch B-Vent 90 Degree Round Adjustable Elbow

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5 B Vent Popular Q&A

Q: Is the 5" b-vent large enough for the two 4" flues? b-vent size.
A: Dan: We'll call the vent height 11 feet. Max for the 5" common B Vent is only 124 MBH, so you need to increase to 6" The 4" furnace (I called it "boiler" single... Read More »

Q: What is b vent ducting?
A: Metal venting ducts for appliances that burn fuel vary. Type-L ducts are used with appliances such as oil-burning boilers and furnaces because they are capable ... Read More »

Q: How to Install a B-Vent.
A: 1. Put on all protective gear. 2. Drill a series of holes in the wall or ceiling, where your B-vent will exit your wall or attic. Do the same for the roof. Use ... Read More »

Q: What is the differents between a B vent and A vent?
A: A vent is non insulated and should be boxed in on the outside of your home. B vent is insulated and can be left exposed, Read More »

Q: What is B5's nationality?
A: B5 is mixed black &white. BRYAN SAID ON. B.E.T. "My mom is black of course you guys know that.my dad is white" Read More »