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HEAT & GLO • PHOENIX42-IFT Installation Manual • 4096-901 Rev. A
• 02/18
D. Negative Pressure
WARNING! Asphyxiation Risk! Severe negative pres-
sure caused by weather, home design or other devices
can impact appliance operation and cause spillage of
combustion fumes and soot. The appliance needs to
draft properly to operate safetly.
This power vented appliance uses room air for combus-
tion. It is imperative that provisions for adequate com
-
bustion and ventilation air be made.
Items to consider are:
• While this appliance can operate in environments of
-15 Pascals, it is recommended the room be at a neu
-
tral pressure.
• Ensure furnace and air conditioning return vents are
not located in the immediate vicinity of the appliance.
• Avoid installing the appliance in locations where fans,
windows or drafts can impact appliance performance.
•
Installation of optional outside air kits.
