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The optional extensions with solder and press fittings additionally offer you the possibility to expand your heating system individually and precisely
034 W/mK Max
The package includes central elements such as the return temperature control (60°C or 63°C) including a high-efficiency pump
Another advantage is the easy installation
Medium temperature: +150°C (+175°C)
Gebläse WPA 117 Defro 3,9 KW Festbrennstoffkessel Temperaturdifferenzregler The optional extensions with solderDefro 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
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