B Vent Storm Collar Installation

Positioning the storm collar around a double wall type b vent is important to prevent water penetration.

B vent storm collar installation.

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. 3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. Round type b gas vent 18 3. Position the collar at the top of the chimney pipe with the angled edges pointing downward.

The new and improved amerivent type b gas vent features a quick disconnect system. Simpson dura vent does not recommend installation of b vent pipe on the outside wall of a building particularly in cold cli mates. Slide it down the pipe and fit it at the upper rim of the roof flashing. 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.

It would be wise to consult the local authority prior to construction. 1 clearance to combustibles in single and multi family dwellings. B for single story attic less installation ventilate the flashing and leave open. Once the storm collar is positioned properly a bead of metal flashing sealant should be.

Simply realign the seams and pull apart. I used the same on my storm collar but a good quality caulk should be fine. Wall heater installation 1. Install support bracket as shown in figure 1.

Aluminum 020 inner wall galvanized 021 outer wall. Use storm collar for 4. Pop out the nails that will be in the way and don t worry about putting them back. After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go.

If it is necessary to do this enclose the outside portion of the sys tem in a chase as shown in figure 11. To ensure a secure fit push in the locking tab to lock the pipe together. Spacer straps at each succeeding ceiling level. Clamp bracket securely to pipe section using the.

Pass type b gas vent through opening in fire stop support fsp.