Technical data

CONVENTIONAL CHIMNEY

A CONVENTIONAL BRICK OR STONE CHIMNEY AS USED FOR SOLID

FUEL APPLIANCE WITH A MINIMUM EFFECTIVE CROSS SECTIONAL

DIMENSION OF 225*225mm, WITH A MINIMUM OF 3 METERS EFFECTIVE

HEIGHT.

A LINED FLUE WITH A MINIMUM DIAMETER OF 125mm WITH THE

FIREPLACE COMPONENTS CONFORMING TO BS 1251

A BUILDERS OPENING A MINIMUM OF 560mm HIGH AND 400mm WIDE

WITH A MINIMUM DEPTH OF 230mm TO ALLOW SUFFICIENT VOLUME OF

DEBRIS COLLECTION.

TO OBTAIN THIS DEPTH IT IS NECESSARY TO REMOVE THE CHAIRBRICK

ANY PERMANENT FLUE RESTRICTION OR VARIABLE DAMPER MUST BE

REMOVED OR LOCKED FULLY OPEN.

THE CHIMNEY MUST BE SWEPT PRIOR TO INSTALLATION IF NOT NEW.

THE CHAIRBRICK MUST BE REMOVED ON ALL INSTALLATIONS.

400mm

560mm

300mm

965mm

50mm

230mm

fig 2

ISSUE 2