Type b gas vent.
B vent wall thimble installation.
D it is ul.
The b vent then fastening to the wall.
Type b gas vent 3 to 12 diameter installation instructions 5 a it allows installation of the vent system prior to installation of appliances.
It is of the utmost importance that type b gas vent be installed.
Completely frame in on all four sides a properly sized square opening.
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.
Cut a hole in the outside wall 1 4 larger than the diameter of the sleeve on wall thimble mpt.
It will also provide lateral support for the pipe as it lays horizontally inside the thimble.
B vent will slide through the middle as it passes through the wall.
C it provides the required firestop as well as support.
Install the wall thimble by inserting the larger of the two parts on the appliance side and the.
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.
Polypro double wall installation instructions fr pdf 1 8mb polypro for multiple vents dual language pdf 472kb.
Page 2 a major cause of vent related fires is failure to maintain required clearances air spaces to combustible materials.
Duraliner masonry thimble l402 installation instruction addendum pdf 1 6mb duraplus.
Duravent 4 inner diameter type b round gas vent pipe double wall wall thimble.
Larger diameter wall thimbles are field fabricated.
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.
We have other components that are used to safely support and or firestop the pipe as it passes up through a ceiling.
Duravent 4 inner diameter type b round gas vent pipe double wall 6 male adapter.
Using a wall band assures that the clearance to combustibles is maintained see figure 3.
See local codes for guidelines.
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.
4 inch round gas vent collection.
