Wall heater installation 1.
B vent storm collar installation.
Install support bracket as shown in figure 1.
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.
The new and improved amerivent type b gas vent features a quick disconnect system.
Use storm collar for 4.
Pop out the nails that will be in the way and don t worry about putting them back.
It would be wise to consult the local authority prior to construction.
3 16 diameters feature twist lock fittings screws required for 14 and larger diameters.
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.
Positioning the storm collar around a double wall type b vent is important to prevent water penetration.
Clamp bracket securely to pipe section using the.
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.
Simply realign the seams and pull apart.
1 clearance to combustibles in single and multi family dwellings.
Attc ventilation shield in all attics where ceiling plate spacer straps are used.
Spacer straps at each succeeding ceiling level.
To ensure a secure fit push in the locking tab to lock the pipe together.
Install oval flashing storm collar and oval vent 1 inch minimum cap.
After cutting the hole i used a flat bar to lift up the shingles all around where the flashing would go.
Snap lock pipe and fittings together or align the seams push together and twist at least 1 to lock.
Aluminum 020 inner wall galvanized 021 outer wall.
Pass type b gas vent through opening in fire stop support fsp.
If it is necessary to do this enclose the outside portion of the sys tem in a chase as shown in figure 11.
I used the same on my storm collar but a good quality caulk should be fine.