Simpson Dura-Vent B Vent Pipe. Galvanized Vent Pipe for Bosch Tankless Water Heaters and other heaters that use B Vent.

Simpson Dura-Vent B Vent Pipe
5 inch B Vent Pipe \| 6 inch B Vent Pipe \| B Vent Pipe FAQ's \| Gas Water Heaters
Dura-Vent B Vent Pipe	Simpson DuraVent Pipe features: HEAVY GAUGE ALUMINUM LINER provides fast warm-up for a quick, strong draft and corrosion resistance for safe, trouble-free performance MALE & FEMALE ENDS ARE HEMMED to add structural integrity, preventing ovalization. Hemmed edges also eliminate sharp edges that can cause job site injuries. The inner liner is recessed to avoid damage in handling DIE FORMED ENDS provide consistent fit, easy twist-lock assembly, and proper alignment INVERSE BEADS add rigidity and ensure proper spacing between the inner liner and the outer wall. The inverse beads also serve to seal the air chamber between the inner and outer walls. As a result, the inner liner heats up rapidly and remains hot during the operation of the appliance, minimizing the effects of condensation Do not use Type B Vent for Category II, III, or IV gas appliances Always refer to gas appliance manual and all local and national codes!
Simpson Dura-Vent Type B gas vent system features our "no equal" twist-lock connections. Precision swedged fittings offers a superior positive-lock connection that is fast and easy to assemble. When necessary, the system may also be disconnected without damage to the product. Type B gas vent is for venting listed natural gas or liquid propane Category I appliances. Check the install manual of the appliances you are venting to be sure that it uses Type B gas vent systems. Available in two diameters: 5 inch B Vent Pipe and 6 inch B Vent Pipe
Simpson Duravent Type B Vent Pipe FAQ'S Please select the topic below or just scroll down this page to see all the topics. Can I put screws in B Vent? How do I order steep roof flashing for pitches over 7/12? Which support do I use: round or square support? What is the inner liner made of? Can I common vent a gas fireplace? Is this L-Vent? Can I use B Vent on an oil furnace? How often do I support the pipe? Is a draft hood connector needed? What is the maximum temperature? Can I terminate the pipe horizontally? What is minimum termination height? How do I size my appliance? What is the overlap of pipe? What flashing do I use for flat roof? Can I cut any straight pieces to make shorter pieces? *Can I put screws in B Vent?* Yes, if desired, but DO NOT PUNCTURE INNER LINER! *How do I order steep roof flashing for pitches over 7/12?* Follow stock number with a "-S" (i.e., S/N 141-S). *Which support do I use: round or square support?* Usually the square firestop support is used at the ceiling; the round bucket support bucket may also be used if transitioning to single wall pipe. *What is the inner liner made of?* .016" thick aluminum. *Can I common vent a gas fireplace?* No. Common vent tables only cover furnaces, boilers or water heaters. *Is this L-Vent?* No. L-Vent needs stainless steel inner liner. *Can I use B Vent on an oil furnace?* No. Oil requires stainless steel inner liner. *How often do I support the pipe?* Support about every 4 to 5 feet. Use wall strap or square firestop, or round bucket ceiling supports. *Is a draft hood connector needed?* Some water heaters require one; (Always check with the mfg installation manual). *What is the maximum temperature?* 400° + AMB (room temperature). *Can I terminate the pipe horizontally?* No. Appliances approved to vent horizontal usually cannot use B vent. *What is minimum termination height?* There is a 1' minimum for up to 7/12 roof pitch. Always check the installation manual and obey all local and national code *How do I size my appliance?* Always check with a certified gas installer and/or installation manual and obey all local and national code *What is the overlap of pipe?* 1 and 1/2" overlap per connection or 3/4" per end of pipe. *What flashing do I use for flat roof?* Tall cone flashing is for flat (0/12) roof pitch. *Can I cut any straight pieces to make shorter pieces?* No. You can not cut Type B vent - but you can use the Adjustable Length Pipe - Model 5GV12A - 0052 to get the the length of pipe you need. Top

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