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    Type B Vent Pipes

    Finding the right parts for your class b vent pipe can be a trial. But eFireplaceStore gets an "A" when it comes to a wide selection at great prices. We have a variety of parts available for use with your b vent pipe, including the Dura-Vent Type B Gas Vent Vertical High-Wind Rain Cap - For Vent Pipes with a 4-Inch Diameter to keep percipitation from getting inside the vent and protect from damage from high winds. Or, if you're looking to fix a problem with back-draft, consider the Metal-Fab High-Performance Type B Round Chimney Vent Cap - For 6 Inch Chimney Systems. If you're looking for any part for type b vent pipe, eFireplaceStore has the best prices around!
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    8 Questions & 8 Answers
    from Churchville, MD asked:
    February 16, 2017
    I am looking to order 5" Type B Vent Pipe today; how long will it be before it gets to me?
    1 Answer
    B Vent usually will arrive in 5-10 days and, in some cases, earlier.
    on February 16, 2017

    from Chandler, AZ asked:
    December 17, 2016
    We live in a 25 year old stucco over wood frame home. It has a wood burning fireplace with, what looks like, a type B chimney. In the crawl space while examining the chimney tube I found a loose section. I tried to reinstall and clamp down but found what looks to be a spark arrestor or catalyst unit in the chimney tube about 4' from the top exit. I have been unable to find this and cannot find instructions on how to make this safe/reliable.
    1 Answer
    A wood burning fireplace should not be installed with B-vent pipe as B-venting is not tested to withstand the temperatures produced by wood burning, so this is either a very dangerous installation or the hearth system the B-vent pipe is serving is not actually a wood burning fireplace at all. For clarity, I recommend searching the actual hearth system the flue is serving for a manufacturer name and/or model number. With this information, you may be able to determine what this missing piece actually is. However, if the 4" section was in the crawl space and this truly is a wood burning fireplace, it could be the mesh screening material used on the horizontal cap used with many outside air kits to prevent pests from entering.
    Will M.
    on December 19, 2016

    Mike Earley
    from Soquel, CA asked:
    December 6, 2016
    My propane heating stove requires a B-vent, class A, or masonry - with an approved liner. Is this B-vent acceptabl,e and does it only come in black with Duravent for interior piping?
    1 Answer
    We will be happy to look into this for you. If you could, please provide the manufacturer and model number of your heater.
    Brennan W.
    on December 7, 2016

    from Foster, RI asked:
    March 5, 2016
    Can you use type B-Vent pipe to vent a pellet stove?
    1 Answer
    Unfortunately, no. Pellet rated vent pipe is type L series vent, which uses a stainless steel inner wall. The caustic gases in pellet exhaust will soon corrode the aluminized inner wall of B vent pipe.
    on March 7, 2016

    from Laramie, WY asked:
    October 14, 2015
    I am installing a 7 inch Type B vent pipe system and I have the pipe but I'm not able to find a cap for the 7 inch size. Also, I am going through a cathedral ceiling and I need the device that holds the pipe 1 inch away from combustibles. What would you recommend?
    1 Answer
    The Metal-Fab Type B Round Universal Chimney Vent Cap - For 7 Inch Chimney Systems could be used for the cap, but there is no ceiling support for 7" B-vent. A Firestop will need to be framed in and the Dura-Vent DirectVent Pro Cathedral Ceiling Support Box could be used for decorative purposes.
    Will M.
    on October 14, 2015

    from Paris, TX asked:
    January 20, 2015
    I have a Type B 5" vent pipe that I need to run though a metal shop wall with interior white vinyl insulation. I think I need to purchase something to place on the interior and exterior of the metal shop building walls to hold this vent pipe and to keep it from getting the metal hot around the exit hole. What would you suggest?
    1 Answer
    A B vent wall thimble should be used to trim out the hole you will need to cut and maintain the proper 1 inch clearance required to adjacent materials. An example is the Dura-Vent Type B Gas Vent Wall Thimble - For Vent Pipes with a 5-Inch Diameter - 5GVWT.
    on January 20, 2015

    from CAN asked:
    September 7, 2014
    Can I put a B vent through a wall?
    1 Answer
    Type B gas vent pipe can indeed be vented through a wall using an approved thimble.
    on September 8, 2014

    from Suffolk County, NY asked:
    September 19, 2013
    Can Type B Vent Pipe can be used for an oil fired boiler?
    1 Answer
    Oil fired boilers and stoves create highly corrosive flue gases. As such, type B vent pipe cannot be used. Class A chimney must be used to vent this type of appliance.
    Collin C. - NFI Master Hearth Professional
    on September 20, 2013

    Type B venting chimneys are relatively efficient and very safe for a home. These vent systems use indoor air for combustion then the air is vented outside through a chimney. Type B vent pipe allows air from outside to come into your home: if there's a downdraft while the fireplace is not being used, cool air from outside can make its way into your living area. The parts themselves for type b gas vent pipe are inexpensive when compared to other chimney systems, and if you have the right set up, these parts can be very easy to install.

    Installing this type of system for the very first time may be time consuming and difficult; it all depends on the type of chimney system you currently have. If you already have a chimney that goes through the roof, then there's an easy path for the new chimney to follow! If you have any questions or want a free Chimney Pipe Design and Quote, please contact our NFI certified technicians for assistance!
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