157568 ⎘
Stoves or ranges; Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas
Sub-classes:Safely barrier heat exchanger
#2Secondary room air heat exchanger and method of heating secondary room air
#3Heating device
#4Enviromentally distinctive cabin design and integrated recovery system
#5Bidirectional blowing fireplace fan