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the draft regulator ensures a constant chimney draft
and high energy savings
Minimum flow rate: 6
Pellet hose for ATMOS P/D/P/DC/GSP/DC/SP
Maximum operating pressure of storage tank/heat exchanger: 6 bar
blower wpa 117 wasserführend the draft regulator ensures aDefro 3. 9 WPA blower Pressure blower type WPA 117 solid fuel boiler with electronic control The WPA 117 pressure blower fits the following Defro brand boilers: Optima Plus from model year 2009 Optima Komfort Plus from 2009 Optima Comfort Plus 3. 9 kW Delta Plus Econo Plus KDR Plus all boilers with zPID package quiet fan for high efficiency *Technical changes reserved Images may differ