B Vent Installation Through Wall

Cut a hole in the outside wall 1 4 larger than the diameter of the sleeve on wall thimble mpt.

B vent installation through wall.

The amerivent all metal double wall gas vent is listed as type b by underwriters laboratories inc. Pass type b gas vent through opening in fire stop support fsp. Clamp bracket securely to pipe section using the. Type b gas vent is designed for negative pressure applications and flue gas temperatures not exceeding 400 f above ambient for category i appliances.

Type b gas vent systems give you these important advantages. 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. 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.

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. Page 2 a major cause of vent related fires is failure to maintain required clearances air spaces to combustible materials. 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 support bracket as shown in figure 1.

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. The b vent then fastening to the wall. 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.

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.