The 90 degree tee is usually installed when you are connecting the flue to the rear outlet of an appliance. A locking band is included with every component that requires one. You don't need to purchase extras.
For use on solid fuel and gas/oil appliances. eg: wood burning stoves, multi fuel stoves, gas coal effect fires, oil boiler and gas and any solid fuel appliances.
Outer skin is made from 304 grade stainless steel and is 0.4mm thick. Inner skin is made from 316 grade stainless steel and is 0.4mm thick. Insulation is compressed rockwool giving a density of 128kg/m3. All parts are fully welded. Distance to combustibles is 60mm.
KC is HETAS Approved and is CE marked.
EN1856-1 T600 N1 W V2 L50040 G60
EN1856-1 T200 P1 W V2 L50040 O20
KC twin wall insulated chimney parts are secured together by using a locking band. Make sure that you keep a distance of 60mm from the outside of the flue to any combustible material (wood, plaster board).