B Vent Wall Thimble Installation

Type b gas vent bucket support ceiling bucket connector 8 x 1 2 sheet metal screw through each leg amerivent type b gas vent or amerivent vent connector 4 amerivent round and oval gas vent installation instructions installation using amerivent bucket without hangers 1. Duravent 4 inner diameter type b round gas vent pipe double wall 6 male adapter. Larger diameter wall thimbles are field fabricated.

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It is of the utmost importance that type b gas vent be installed.

B vent wall thimble installation.

Type b gas vent. Duravent 4 inner diameter type b round gas vent pipe double wall wall thimble. B it allows disconnection of the appliance for service at any time without disturbing or temporarily supporting the vent. Type b gas vent 3 to 12 diameter installation instructions 5 a it allows installation of the vent system prior to installation of appliances.

Completely frame in on all four sides a properly sized square opening. C it provides the required firestop as well as support. Duraliner masonry thimble l402 installation instruction addendum pdf 1 6mb duraplus. We have other components that are used to safely support and or firestop the pipe as it passes up through a ceiling.

See local codes for guidelines. Cut a hole in the outside wall 1 4 larger than the diameter of the sleeve on wall thimble mpt. B vent wall thimble use for through the wall system to provide clearances for vent from combustibles. Polypro double wall installation instructions fr pdf 1 8mb polypro for multiple vents dual language pdf 472kb.

One of the fire safety features of double wall type b gas vent is that its outer wall insulated by the airspace beneath it requires only 1 clearance to combustible material in the structure. Page 1 installation instructions round and oval type b gasvent systems for use with natural as or liquid propane category i and draft hood equipped appliances and appliances listed to use type b gas vent. Install the wall thimble by inserting the larger of the two parts on the appliance side and the. B vent will slide through the middle as it passes through the wall.

4 inch round gas vent collection. Page 2 a major cause of vent related fires is failure to maintain required clearances air spaces to combustible materials. D it is ul. Amerivent is a complete gas venting system from 3 to 30 pipe diameters in 7 different pipe lengths to single to multi appliance hook ups.

Adjusts from 3 to 6 to accommodate various wall thicknesses. It will also provide lateral support for the pipe as it lays horizontally inside the thimble. The b vent then fastening to the wall. Using a wall band assures that the clearance to combustibles is maintained see figure 3.