B Vent Storm Collar Installation

If it is necessary to do this enclose the outside portion of the sys tem in a chase as shown in figure 11.

B vent storm collar installation.

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

After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go. Pass type b gas vent through opening in fire stop support fsp. Simply realign the seams and pull apart. Snap lock pipe and fittings together or align the seams push together and twist at least 1 to lock.

Install oval flashing storm collar and oval vent 1 inch minimum cap. Attc ventilation shield in all attics where ceiling plate spacer straps are used. Slide it down the pipe and fit it at the upper rim of the roof flashing. 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.

Clamp bracket securely to pipe section using the. B for single story attic less installation ventilate the flashing and leave open. 3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. Spacer straps at each succeeding ceiling level.

Round type b gas vent 18 3. Install support bracket as shown in figure 1. Pop out the nails that will be in the way and don t worry about putting them back. To ensure a secure fit push in the locking tab to lock the pipe together.

The new and improved amerivent type b gas vent features a quick disconnect system. It would be wise to consult the local authority prior to construction. Positioning the storm collar around a double wall type b vent is important to prevent water penetration. Wall heater installation 1.

Use storm collar for 4.