The Single Wall to Twin Wall Increasing Adapter allows a secure connection between any single walled pipe (such as stainless or vitreous enamelled) and Shieldmaster twin wall only.
The male connection can be sited directly into the outlet collar of the stove (stainless only) and must be sealed with heat resistant cement or silicone.
Shieldmaster twin wall flue is CE approved for use in the UK, designation number EN:1856-1 T450 N1 D Vm L50050 G60. Please note, this item does not come supplied with a locking band and will increase the internal diameter of your flue system by one inch.