SEDBUK 'A' rated (90.9%)
Ceramic plaque burner
No ventilation required
2 year guarantee
Fully modulating control 
Ultra Quiet
Filling loop included
Simple L.C.D user interface
Automatic air vent
Auto output selection
Appliance frost protection
Energy Efficient compliant
Outside temperature compensation
Easy access to components
Perfect for underfloor heating
Pre-mix fan assembly