The secret of clean viewing glass
Optimal combustion air flow inside the firebox is necessary for keeping the viewing glass clean. In BRUNNER fireplaces, air supply can be adjusted to existing chimney draught, creating a protective air screen, which prevents soot & dust build-up on the viewing glass surface. If the gap between door and body of the fireplace is tight, the air screen is not disrupted. The viewing glass surface is free from stains.
A combination of our 'easy-lift' door lifting system and 'puzzle profile' door frame including a special seal is a long-lasting protection against air leaks between fireplace door and body. That's our secret of clean viewing glass!
What is more: Individual adjustment of combustion air supply is available only from BRUNNER.