The IS700 Flat front insert models have a 92% combustion efficiency and have a 5.7 star energy rating. It is 30mj heater and has the capacity to heat up to 180 square metres (18 squares)*. It incorporates features such as: 3 Heat settings 3 Automatic fan speed settings Powered flued technology Automatic ignition Automatic humidifier Easy installation, installs anywhere using a 40mm PVC fluing (Coaxial or single flue) Zero clearance installation Optional Ducting Optional remote control Optional log sets. *NOTE: Heating capacity may vary subject to climate, home design, heater location, ceiling height and installation etc. TECHNICAL SPECIFICATIONS 1. Flue Outlet Co-axial (outside 65mm, inside 40mm)single flue 40mm Ø. Flexible Flue 40mm Ø. 2. Air Inlet 3. Electric Cord 4. 1/2″ BSP Connection (inside) 6. 90/40mm PVC Elbow 7. Flexible PVC Pipe 8. Heater Surround 3 SIDED SURROUND MODEL IS700