Zehnder ComfoAir 350/550 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs REPORT-CAT-050 when replacing filters on your

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

tiling friendly

The Diva is a contemporary twist on a classic design

The unit is made with high density EPP material which provides significant insulation and eliminates thermal bridging

Zehnder ComfoAir 350/550 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs REPORT-CAT-050 when replacing filters on yourIdeally, filters should be inspected monthly and given a light vacuum to remove dirt and debris. Filters will eventually become blocked with residual debris and should then be replaced. Generally, blocking will occur every 6 12 months depending on the location (near busy roads or inner city areas tend block more quickly than remote country settings). To see the Zehnder Filter fiting video on youtube please select: Comfo Air 350 Filter video Zehnder P