De Dietrich Baxi Duotec Compact E 20 KW 2F A7722081 gas boiler, condensing boiler, thermal water heater

Baxi DuoTec Compact 20 2-function gas condensing boiler: Modulation 1:7 Product covered by a special support program for installers, innovative design with compact structure with dimensions of 700 x 400 x 290 mm, stainless steel toroidal heat exchanger, stainless steel cylinder burner, modulation in the ratio 1:7 (from 14 to 100%). Integrated GAC self-regulation system - continuous control of the gas-air mixture to maintain the highest average annual efficiency 109.8% (according to DIN4702, Part 8), 30% Mo/30 °C 107.6% enlarged stainless steel hot water plate heat exchanger for hot water production in condensation mode Fan with modulated power and electronic speed control Electronic pressure control in the central heating system Anti-lock protection system for Pump and 3-way valve 5-year warranty on the main heat exchanger Technical parameters Rated heat output bei 50/30°C Pn (heating mode) kW 3.7-21.1 – Efficiency in % PCI 100% Pn at Avg. Temp. 70°C % 97.6 - Mi. water temperature at return temperature 30°C % 107.6 - average annual efficiency % 109.8 - nominal water flow at Pn, Δt = 20 K m3/h 1.03 - nominal heat output bei 80/60°C min/max kW 3.4-19.4 - nominal heat output for hot water kW 19.4 - available manometric height, circulation all mbar 275 - Water capacity l 1.8 1.8 1.8 – Hot water flow for Δt=25 °C l/min 11.4 – Hot water flow for Δt=35 °C l/min 8.1 – Gas flow for Pn gas m3/h 0.37–2.1 (15 °C, 1013 mbar) Propane kg 0.27–1.55 – maximum exhaust gas temperature bei 80/60 °C °C 80 – exhaust gas gas flow min./max. kg/h 7.2/32.4 - noise intensity at 1 m distance. dB(A) ≤ 45 - net weight kg 34