Unvented wall furnace

Heating · Wall Furnaces · printed page 205 (PDF page 206)

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Book index entries

Unvented Unvented Wall Furnace Wall – Unvented

Text in the illustration

exhaust gases
wall furnace
unvented wall furnaces are not permitted in some areas
the exhaust gases discharge directly into the living space - causing problems such as spillage, backdrafting, carbon monoxide poisoning and excess humidity

Generated explanation

The illustration shows a tall, narrow unvented wall furnace installed against an interior wall, with a louvered front and an outlet grille at the top. An upward arrow indicates exhaust gases discharging directly into the living space rather than through an exterior vent. The annotations warn that unvented wall furnaces are not permitted in some areas. They identify spillage, backdrafting, carbon monoxide poisoning, and excess humidity as associated problems.

Components

unvented wall furnace front louvers top outlet grille interior wall

Defects shown

Combustion exhaust discharged directly into living space Potential carbon monoxide poisoning Excess indoor humidity Spillage and backdrafting hazards identified in annotation Installation prohibited in some areas