The 1100 insert is the ready-made solution for smaller stone fireplaces. With its back face at a 45° angle, it offers a wide range of configurations.The floor of its firebox is 2.5 inches deep, allowing greater accumulation of ashes and cleaner use.

The 1100 insert also comes with a powerful 144 CFM blower. You’ll be amazed and delighted by the 50,000 BTU/h of heat it provides!

APPLIANCE PERFORMANCE

Fuel type : Dry cordwood
Recommended heating area (sq.ft.) : 250 – 1,400
Overall firebox volume : 1.5
Maximum burn time : 6 h
Maximum heat output (dry cordwood) : 50,000 BTU/h (14.6 kW)
Overall heat output rate (min. to max.) : 11,000 BTU/h (3.2 kW) to 35,000 BTU/h (10.2 kW)
Average overall efficiency (EPA cribs / Douglas fir) : 70.0 % (HHV) 75.0 % (LHV)
Average overall efficiency (dry cordwood) : N.A. (HHV) N.A. (LHV)
Optimum efficiency : 75 %
Average particulate emissions rate : 2.9 g/h
Average CO : N.A.

Installation Manual – Osburn 1100 Wood Insert