The Dinak DWN Twin Wall draught regulator is a lockable element used to regulate the draught of the chimney. Especially useful if your chimney suffers from down draught.
Class 1 twin wall insulated stainless steel flue system.
- 30mm of Rockwool insulation.
- 40mm overlap
- Designed for condensing and dry applications (Condensing application requires use of a joint seal for each junction.)
- Used for domestic heating, domestic hot water, industrial/commercial heating, biomass boilers, open fires, bakery ovens.
- Use with gas, diesel, solid fuel, biofuel.
- Laser welded joints
- Requires a locking band
