B Vent Storm Collar Installation

Install support bracket as shown in figure 1.

B vent storm collar installation.

The new and improved amerivent type b gas vent features a quick disconnect system. Aluminum 020 inner wall galvanized 021 outer wall. Clamp bracket securely to pipe section using the. Simply realign the seams and pull apart.

Install oval flashing storm collar and oval vent 1 inch minimum cap. 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. B for single story attic less installation ventilate the flashing and leave open. After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go.

Positioning the storm collar around a double wall type b vent is important to prevent water penetration. Spacer straps at each succeeding ceiling level. Once the storm collar is positioned properly a bead of metal flashing sealant should be. I used the same on my storm collar but a good quality caulk should be fine.

1 clearance to combustibles in single and multi family dwellings. If it is necessary to do this enclose the outside portion of the sys tem in a chase as shown in figure 11. It would be wise to consult the local authority prior to construction. Pass type b gas vent through opening in fire stop support fsp.

3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. To ensure a secure fit push in the locking tab to lock the pipe together. Position the collar at the top of the chimney pipe with the angled edges pointing downward. Attc ventilation shield in all attics where ceiling plate spacer straps are used.

Round type b gas vent 18 3. Wall heater installation 1. Simpson dura vent does not recommend installation of b vent pipe on the outside wall of a building particularly in cold cli mates. Use storm collar for 4.

Pop out the nails that will be in the way and don t worry about putting them back.