Zehnder Fire Rated Airbrick and Ducting Kit for Circular Ducting Duct Size:125mm Dia The Zehnder CK300 rigid twin

The Zehnder CK300 rigid twin duct

• Min/Max/Avg

and the system can then be sealed

S2 self-fluxing silver copper – phosphorus alloy brazing rods

Multiple Internal Temperature Sensors

Zehnder Fire Rated Airbrick and Ducting Kit for Circular Ducting Duct Size:125mm Dia The Zehnder CK300 rigid twinFire Rated Airbrick and Ducting Kits: The firerated airbrick and duct transition kits are designed for integration into external wall constructions during the build phase, in accordance with Building Regulations Approved Document B (Fire Safety). The airbrick incorporates a pictureframe surround to facilitate accurate positioning and straightforward installation. A mechanically fixed mounting system is employed to provide a secure, stable, and durable