The Achill 17kw multi fuel Insert boiler is capable of heating up to 9/10 single radiators. It will fit most standard 16/18″  fireplace openings and is Constructed from steel with a cast iron door with an efficiency level of over 77%. It is thermostatically controlled which combined with both primary and secondary air allows for exceptional control.
 
The Achill 21kW multi fuel Insert boiler is capable of heating up to 13/14″ single radiators. It is Constructed from steel with a cast iron door with an efficiency level of over 77%. It is thermostatically controlled which combined with both primary and secondary air allows for exceptional control.