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Boiler with induced draught ventilator All the main components of the KÜNZEL HV-S wood-gasifying boiler are of the same construction as the components in type HV. Instead of a forced draught fan under the front panel, an induced draught ventilator is fitted on to one of the 3 exhaust connections. The induced draught ventilator creates a negative pressure in the combustion chamber and combustion air flows in through primary and secondary air ducts. The exhaust gas taken in is blown into the chimney. This system is recommended for problem chimneys, e.g. cross section too small, height too low, downwind, etc. The boiler is controlled by the which has two performance levels. KÜNZEL wood-gasifying boilers have been thoroughly tested by the relevant government authorities. They fully comply with the clean-air regulations under the Law Concerning the Protection against Harmful Effects on the Environment and are certified to the relevant standards.

HV 24-S -shown with two-stage microprocessor control panel

Type  HV		15-S	24-S	35-S	50-S
Nominal output wood	kW	14,9	18 – 26	28 – 40	40 – 50
Volume of filling space	Litres	88	116	155	210
Depth of filling space	mm	400	550	600	600
Dimensions of filling door W x H	mm	380 x 255	380 x 255	450 x 300	450 x 350
Exhaust flow rate (when replenishing)	kg/Sek.	0,011 (0,023)	0,015 (0,030)	0,023 (0,045)	0,030 (0,060)
Draught requirement	Pa	min. 10 bis 18
Water content	Litres	53	75	106	150
Air fan	Watt	65	65	120	120
A Width	mm	560	560	650	680
B depth	mm	720	870	930	1000
C height	mm	1240	1240	1400	1630
D Height of exhaust connection	mm	1200	1200	1310	1530
E Height of exhaust connection	mm	1000	1000	1110	1330
F Depth of ventilator at side	mm	365	365	385	385
G blower depth laterally	mm	320	320	340	340
Exhaust connection Ø	mm	150	150	150	150
Weight	kg	240	305	385	420

technical data subject to alteration

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