ISSUE 1
6
THE RELEVANT BRITISH STANDARDS MUST BE FOLLOWED
BS 5871 :PART 3
BS 5440: PART 1 AND 2
BS 6891
BS 8303
BS 1251
AND I.S 813 FOR IRELAND
A BRICK CHAMBER TO THE SIZES IN FIG 2 IN AN EXISTING BRICK
OR STONE CHIMNEY A 125mm MINIMUM DIAMETER FLUE LINER
CONFORMING TO BS715 MAY BE USED, PROVIDING IT IS SEALED AT
THE TOP AND BOTTOM OF THE EXISTING BRICK OR STONE
CHIMNEY.
NOTE
ANY OF THE ABOVE FLUES MUST NOT BE RESTRICTED BY DAMPERS OR
REGISTER PLATES, THE FLUE MUST SERVE ONLY ONE APPLIANCE AND
NOT HAVE ANY BRANCHES OR TRAPS WHICH MAY IMPEDE THE
NATURAL DRAUGHT .IF ANY TERMINAL IS FITTED IT MUST BE
SUITABLE FOR THE PURPOSE.
THE FRONT FACE SEAL MUST BE FLAT TO ENSURE A GOOD SEAL IS
FORMED BETWEEN THE REAR AND BASE OF THE APPLIANCE AND
CHIMNEY TO AVOID ANY REDUCTION IN THE NATURAL DRAUGHT.
