H. Slim Line Wall Thimble
CAUTION
Sharp Edges
•Wear protective gloves and safety glasses during installation.
BEFORE YOU BEGIN:
Review the venting confi gurations in Figures A, B and C on the next page.
1. Assembling Slim Line Trim Ring and Heat Shield
Figure 5.33 Attach the heat shield to the trim ring with the four screws provided. Screws go through the heat shield and into the brackets on the trim ring.
2. Installing Slim Line Trim Ring and Heat Shield
Measure from the fl oor to the center of the vent pipe. Cut out a
Use that mark as a guide to trim off excess heat shield with a pair of sheet metal shears.
Figure 5.31 Lay the trim ring on fl at surface and bend up the six welded brackets into a 90 degree position. The brackets along the outer edge of the ring are for locating the ring in the center of the hole.
3/4 3/4 3/4
Figure 5.32 The heat shield is shipped fl at and must be hand bent into a half circle before attaching it to the trim ring. Bend the heat shield as shown.
NOTE: Wear leather gloves when bending the heat shield to prevent injury.
Figure 5.34 When installing the trim ring/heat shield assem- bly make sure the trim ring is centered in the hole and that the shield is above the pipe. There must be a minimum of 3/4 in. (19mm) minimum clearance maintained to combus- tibles from the top of the heat shield.
Ensure that framing on the inside of the wall is a mini- mum inner framing diameter of 10 in. x 10. in. (254mm x 254mm).
The four trim ring mounting screws provided should be replaced with appropriate fasteners for stucco, brick, con- crete, or other types of sidings.
August 1, 2008 | Page 23 |
