B Vent Storm Collar Installation

The new and improved amerivent type b gas vent features a quick disconnect system.

B vent storm collar installation.

Positioning the storm collar around a double wall type b vent is important to prevent water penetration. After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go. To ensure a secure fit push in the locking tab to lock the pipe together. Page 26 6 inch oval gas vent for installation in 2 x 6 stud walls storm collar mh6375 category i appliances only ensure at least 1 inch clearance to all roof flashing combustibles including the area the pipe passes through the roof.

B for single story attic less installation ventilate the flashing and leave open. If it is necessary to do this enclose the outside portion of the sys tem in a chase as shown in figure 11. Use storm collar for 4. Install oval flashing storm collar and oval vent 1 inch minimum cap.

Simply realign the seams and pull apart. 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. Aluminum 020 inner wall galvanized 021 outer wall. 1 clearance to combustibles in single and multi family dwellings.

Attc ventilation shield in all attics where ceiling plate spacer straps are used. Pop out the nails that will be in the way and don t worry about putting them back. Round type b gas vent 18 3. Clamp bracket securely to pipe section using the.

Install support bracket as shown in figure 1. Slide it down the pipe and fit it at the upper rim of the roof flashing. Pass type b gas vent through opening in fire stop support fsp. It would be wise to consult the local authority prior to construction.

Wall heater installation 1. Snap lock pipe and fittings together or align the seams push together and twist at least 1 to lock. 3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. Simpson dura vent does not recommend installation of b vent pipe on the outside wall of a building particularly in cold cli mates.

Position the collar at the top of the chimney pipe with the angled edges pointing downward.