- 28,000 btu high/18,000 btu low
- Up to 69.7 efficiency
- AFUE 70.5
- 554 sq. in. glass viewing area
- Heating capacity: up to 1,200 sq.ft
- Venting: top or rear
- System will run without 120vac electricity
- Framing Dimensions 36"w x 36"h x 16"d
Atra has a policy of constant improvement and upgrading. Products therefore may differ in specification, design, material or dimensions at any time without prior notice.