Properly installed the vent cannot come apart through vibration and offers protection against vent failure or fire hazard.
B vent installation through wall.
Ul approved type b gas vent products form a continuous passageway from an approved gas appliance to the termination of the vent above the roof of the structure.
Clamp bracket securely to pipe section using the.
Type b gas vent 3 to 12 diameter installation instructions 3 figure 2 figure 3 nail strapping in place four places nail through slots four places figure 4 nail through slots four places 4.
Type b gas vent is designed for negative pressure applications and flue gas temperatures not exceeding 400 f above ambient for category i appliances.
Safety of the hart cooley system is assured by the double wall air insulated design and locking joints.
It is of the utmost importance that type b gas vent be installed.
If you are using a b vent typically a double walled air insulated vent for gas appliances typically you ll see a fire clearance stamped right into the metal of the chimney stating 1 inch minimum clearance to combustibles as you ll see in this photo.
Page 2 a major cause of vent related fires is failure to maintain required clearances air spaces to combustible materials.
Install support bracket as shown in figure 1.
Cut a hole in the outside wall 1 4 larger than the diameter of the sleeve on wall thimble mpt.
Type b gas vent systems give you these important advantages.
Pass type b gas vent through opening in fire stop support fsp.
This venting method typically for gas fired boilers can be used only by certain heating appliance models such as weil mclain s cgs boilers excluding the cgs 4e model 10.
The heating appliance vents directly out through a building side wall powered by natural draft provided by the heating equipment typically using a single wall metal flue or chimney or a b vent.
And is approved for such residential and commercial applications as category 1 water heaters boilers furnaces space heaters or wall heaters.
Using a wall band assures that the clearance to combustibles is maintained see figure 3.
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.