Fröling F2-30 SZ wood-fired boiler, 29 kW

Fröling – premium Austrian heating technology. The manufacturer from Grieskirchen develops heating solutions powered by cordwood, wood chips, and pellets.

F2-30 SZ – 29 kW wood gasification boiler, 2007. On the original data plate, the SZ version equipped with an induced draft fan is listed separately from the F2-30 without a fan. It can be designed for central heating coordinated with a buffer tank.

• 29 kW nominal heat output: the heat output delivered by the boiler; 34.1 kW indicated on the plate is the fuel input.
• SZ, "mit Saugzug" version: the induced draft fan assists the airflow through the boiler.
• 95 liters boiler water volume: the value on the original unit's data plate.
• 3 bar and 95 °C: permitted operating pressure and boiler temperature.
• Buffer tank required: the factory plate explicitly indicates this, so it must be designed into the system.

Documentation: the factory series brochure for the F2 is available online; a verified complete operating PDF for the exact SZ variant is currently not available to us. The specific SZ plate indicates electrical data of 230 V / 50 Hz, 10 A / 76 W; the 10 A is not continuous motor consumption. Factory series brochure.

New comparison price – 2026.10.06. The wolf-online-shop.de Fröling S3v Turbo 30, 12321A gross new boiler price of 8,742.85 EUR, with 19% German VAT; calculated net 7,346.93 EUR. The named package lists the boiler, Lambdatronic S 3200 Touch control, and cleaning tools; automatic ignition is an option. The full cost of the buffer tank, system hydraulics, chimney, and installation is not accounted for, shipping is separate. Different current 30 kW model, not the exact new price of the 2007 F2-30 SZ. Price source.

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