125mm (37)
150mm (36)

Single Wall to Twin Wall Increaser 125 - 150

Availability:  In Stock

Description Details Dimensions Guides
This Increasing Adaptor is used to connect 125mm Black Stove Pipe, Vitreous Enamel or 1mm Stainless Steel Single Wall Pipe to 150mm KC Twin Wall Insulated Chimney

For use on solid fuel and gas/oil appliances. eg: woodstoves, gas coal effect fires, oil boiler 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 per cubic metre. All parts are fully welded.
Distance to combustibles is 60mm.

KC is HETAS Approved and is CE marked.
Designation Number
EN1856-1 T600 N1 D V2 L50040 G60.

This adaptor is used to connect to either Vitreous enamel or single wall flue our twin wall insulated flue, when fitting you should make joint good with fire cement
DT Twin Wall Insulated Chimney has a simple twist fit joint system, this is then secured by using a Locking Band - the simplest and strongest construction system on the market today.
Make sure that you keep a distance of 50mm from the outside of the flue to any combustible material (wood, plaster board). This distance is only for DT, other flues on the market may have distance of 60mm or more (this is because of the quality of the product) please ask your supplier.

Item Single Wall to Twin Wall Increaser 125 - 150
Designation: EN1856-1 T600 N1 D V2 L50040 G60
System: KC
Inner Material: 316L Stainless Steel - 0.40mm thick
Outer Material: 304 Stainless Steel - 0.40mm thick
Fuels: Wood, Oil, Gas, Low sulpher coal
Approvals: HETAS / CE
Distance to Combustibles: 60mm