Heatilator HEIR36H-IFT Installation Manual page 61

A. Vent Components Diagrams (continued)
Note: Heat shields MUST overlap by a minimum of 1-1/2 in. (38 mm). The heat shield is designed to be
used on a wall 4 in. to 7-1/4 in. (102 mm to 184 mm) thick. If wall thickness is less than 4 in. (102 mm) the
existing heat shields must be field trimmed. If wall thickness is greater than 7-1/4 in. (184 mm) a DVP-HSM-B
will be required.
15-1/8 in.
(384 mm)
DVP-TRAP
Horizontal Termination Cap
Figure 12.2 DVP vent components
Heatilator • HEIR36-IFT, HEIR42-IFT, HEIR50-IFT Installation Manual • 2458-980 Rev. B • 8/17
8 in.
(203 mm)
12 in.
(305 mm)
DVP-TRAP1
DVP-TRAPK1
Heat
Shield
Term Cap
Max
Effective
Trap1
Length
Trap2
DVP-TRAP2
DVP-TRAPK2
Minimum Maximum
Effective Length Effective Length
3-1/8 in. 4-5/8 in.
79 mm 117 mm
5-3/8 in. 9-3/8 in.
137 mm 238 mm
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