Adjusts from 3 to 6 to accommodate various wall thicknesses.
B vent wall thimble installation.
The b vent then fastening to the wall.
B it allows disconnection of the appliance for service at any time without disturbing or temporarily supporting the vent.
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.
Type b gas vent.
D it is ul.
B vent will slide through the middle as it passes through the wall.
Duravent 4 inner diameter type b round gas vent pipe double wall wall thimble.
Type b gas vent 3 to 12 diameter installation instructions 5 a it allows installation of the vent system prior to installation of appliances.
B vent wall thimble use for through the wall system to provide clearances for vent from combustibles.
Install the wall thimble by inserting the larger of the two parts on the appliance side and the.
Completely frame in on all four sides a properly sized square opening.
It is of the utmost importance that type b gas vent be installed.
See local codes for guidelines.
C it provides the required firestop as well as support.
Duravent 4 inner diameter type b round gas vent pipe double wall 6 male adapter.
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.
Larger diameter wall thimbles are field fabricated.
We have other components that are used to safely support and or firestop the pipe as it passes up through a ceiling.
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.
Duraliner masonry thimble l402 installation instruction addendum pdf 1 6mb duraplus.
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.
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.
Using a wall band assures that the clearance to combustibles is maintained see figure 3.
