Zehnder ComfoAir Flex 250 AX3573 Filter media should be replaced

Filter media should be replaced like for like

when replacing filters on your Greenwood heat recovery unit it is always necessary to also reset the filter change timer on the unit otherwise the service light will not go out

-Butance/propane storage tank leaks

The Pix comes complete with both a grease and a long life filter and can be easily adapted for wall mounting using the optional mounting bracket available here

Window kit for Cyfan

Zehnder ComfoAir Flex 250 AX3573 Filter media should be replacedZehnder ComfoAir Flex is a ventilation unit that has been specially developed for apartments and smaller homes, where living space is a valuable resource and needs to be wisely planned. The compact design fits seamlessly in suspended ceilings without sacrificing outstanding performance. Zehnder ComfoAir Flex is equipped with the quietest fan technology on the market and reduces noise levels to a minimum even during full operation. A custom made heat