B Vent Storm Collar Installation

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

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. Install oval flashing storm collar and oval vent 1 inch minimum cap. Wall heater installation 1. 1 clearance to combustibles in single and multi family dwellings.

To ensure a secure fit push in the locking tab to lock the pipe together. Snap lock pipe and fittings together or align the seams push together and twist at least 1 to lock. 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.

Pop out the nails that will be in the way and don t worry about putting them back. Positioning the storm collar around a double wall type b vent is important to prevent water penetration. 3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. Clamp bracket securely to pipe section using the.

Spacer straps at each succeeding ceiling level. After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go. Simpson dura vent does not recommend installation of b vent pipe on the outside wall of a building particularly in cold cli mates. If it is necessary to do this enclose the outside portion of the sys tem in a chase as shown in figure 11.

B for single story attic less installation ventilate the flashing and leave open. Install support bracket as shown in figure 1. Use storm collar for 4. The new and improved amerivent type b gas vent features a quick disconnect system.

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. Attc ventilation shield in all attics where ceiling plate spacer straps are used. Aluminum 020 inner wall galvanized 021 outer wall. Slide it down the pipe and fit it at the upper rim of the roof flashing.

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