Safety Alert Key:
• DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.
• WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.
• CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
• NOTICE: Used to address practices not related to personal injury.
B. Your Fireplace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
D. Clear Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
C. Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Heatilator • CD4236IR-D, CD4236ILR-D, CD4842IR-D, CD4842ILR-D • 2359-900 Rev. D • 5/15
Table of Contents
A. Approved Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
B. Vent Table Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
C. Use of Elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
E. Vent Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
A. Top Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
B. Rear Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
B. Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
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