The Gnome Direct Vent Gas Heater allows for simple through-the-wall installation (minimum vertical rise 6" as shown), and is ideal for bedrooms, additions and mobile homes. This 20,000 BTU heater can be used with either natural gas or propane, and comes with a variable speed circular fan and log set as standard equipment.
SPECIFICATIONS 

Height: 34"

Weight: 125 lbs

Diameter: 17.5"

Venting: 6 5/8" Simpson Duravent direct vent required

Footprint: 18.5" square

 PERFORMANCE

High: 22,000 BTU (Natural Gas)
Low: 13,200 BTU (Natural Gas)
Efficiency: 78%

High: 21,500 BTU (Liquid Propane)
Low: 12,900 BTU (Liquid Propane)
Efficiency: 79%

 CLEARANCES

Back wall: 4"

Side wall: 8"

Corner wall: 8"

Alcove approved

45" wide

27" deep

Installation Instructions