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I. Chimney Termination Requirements
• Install a cap approved and listed for this fireplace system.
• Locate cap where it will not become plugged by snow or other materials.
• Locate cap away from trees or other structures.
• The bottom of the termination cap must be at least 3 ft (.91 m) above the roof AND at least 2 ft (.61 m) above any portion
of roof within 10 ft (3.05 m) as shown in Figure 8.10.
• See below for distance required between caps.
Slanted Roofs
Chimney must
extend 3 ft (.9 m)
above the roof
Flat Roofs
Chimney must
extend 3 ft (.9 m)
above the roof
Multiple Chimney Locations
6 in. (minimum) up to 20 in.
152 mm/508 mm
20 in. and over
Figure 8.10 Multiple Chimney Locations
A
B
18 in. minimum
457 mm
0 in. minimum
Heatilator • Birmingham BIR42 • 4059-308 Rev J • 1/11
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Gas, Wood or Fuel Oil
B
Gas
Termination
Cap **
*
If using decorative cap cover(s), this distance may need to be
increased. Refer to the installation instructions supplied with the
decorative cap cover.
**
In a staggered installation with both gas and wood terminations, the
wood termination cap must be higher than the gas termination cap.
Termination Cap
Wood
Minimum
(See
A *
illustration
above)
31
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