Zehnder ComfoAir 350/550 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs REPORT-CAT-050 This when combined with the

This when combined with the latest digital comntrols - designed to be sensitive enough to react to occupier use and not a pre-set generic setting - make this the latest technology providing comfortable efficient ventilation

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

Veto Pro Pac MB Meter Tool Pouch (AX3507) - The ultimate efficiency

25 Filters G4 (Bypass units)

The iCON eco 30SDTS has a 2 minute delayed start timer (for quick nightime bathroom visits) then an adjustable run-on timer of 2 - 45 minutes

Zehnder ComfoAir 350/550 Filter Set, ISO Coarse / ISO ePM1 (G4 / F7), 2 pcs REPORT-CAT-050 This when combined with theIdeally, 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