Zehnder Fire Rated Airbrick and Ducting Kit for Circular Ducting 188644 Connection hose between the internal

Connection hose between the internal siphon and the 32mm condensation drain for Zehnder ComfoClime

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Measurement data transfer by radio: the optional radio module means that on the testo 925 you can also receive readings from a radio temperature probe

Zehnder P/N 990 328 721

Zehnder Fire Rated Airbrick and Ducting Kit for Circular Ducting 188644 Connection hose between the internalFire 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