Outer skin is made from 304 stainless Steel and is 0.4mm thick. This is then coated in a high temperature Black finish. The Inner skin is made from 316 grade stainless steel and is 0.4mm thick. Insulation is compressed rockwool giving a density of 200kg/m3. All parts are fully welded.
Distance to combustibles is 50mm.
TWPro is HETAS Approved and is CE marked.
Designation Number is
EN1856-1 T600 N1 W V2 L50040 G50.
EN1856-1 T200 P1 W V2 L50040 O20.
TWPro Twin Wall Insulated Chimney parts are secured together by using a Locking Band (supplied).
Make sure that you keep a distance of 50mm from the outside of the flue to any combustible material (wood, plaster board).
|Item||Twin Wall to Twin Wall Increaser – Ø 150-175mm|
|Designation:||EN1856-1 T600 N1 W V2 L50040 G50|
|EN1856-1 T200 P1 W V2 L50040 020|
|Inner Material:||316L Stainless Steel – 0.40mm thick|
|Outer Material:||304 Stainless Steel – 0.40mm thick – High Temperature Black Coated|
|Fuels:||Wood, Oil, Gas, Low sulphur coal|
|Approvals:||HETAS / CE|
|Distance to Combustibles:||50mm|