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.
Note: The term "recommend" or "recommended" does not indicate a requirement. It is a best practice suggested by Hearth
& Home Technologies
H. California . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
A. Approved Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
D. Use of Elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
E. Vent Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Heatilator • NDV30-IFT, NDV33-IFT, NDV36-IFT, NDV36-IFT-NVR, NDV42-IFT Installation Manual • 2620-980 Rev. C • 8/20
2
. Failure to perform the recommended task will not result in a safety concern.
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Table of Contents
G. Shrouds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
B. Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
C. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
= Contains updated information.