Class D 12-200 kW

Increased convective heat exchange area
Boiler adapted for installation of a pellet burner
Multipoint air supply system
Mechanical or automatic control

ALMAX Class D - The boiler of this class is a modern, efficient, and reliable solution for heating a house. It features a four-pass steel heat exchanger and secondary air nozzles, which ensure maximum efficiency and significantly save on fuel costs. It operates on firewood, fuel briquettes, and anthracite coal.

Boiler technical specifications D class
Nominal power of the boiler		kW	12		15	20	25	30	40		50	75	97	125	150	200
Estimated heating area		m2	120		150	200	250	300	400		500	750	970	1250	1500	2000
Furnace parameters	depth	mm	350		400	400	470	510	590		610	710	970	970	1050	1050
Furnace parameters	volume	dm3	40		62	91	107	133	154		223	320	437	565	640	910
Water capacity of the boiler, not less than		l	53		64	72	87	94	107		149	205	254	287	331	410
Boiler weight without water		kg	242		312	358	388	403	460		558	716	903	1043	1161	1574
Maximum water temperature		°C	90
Maximum working water pressure, not exceeding		MPa	0,20							0,25
Loading doors	height	mm	215	215		215	215	245	245		300	300	300	300	300	300
Loading doors	width	mm	235	285		335	335	355	355		360	460	460	560	560	700
Piping connections		thread	2									65 (FL)	65 (FL)	80 (FL)	80 (FL)	80 (FL)
External diameter of chimney connection		mm	159	178		178	178	178	218		218	248	298	298	298	348
Chimney height (minimum)		m	5	5		5	5	5	5		6	7	7	7	8	10

Boiler dimensions
Width	mm	500	550	600	600	620	620	670	770	770	930	1000	1150
Height	mm	1260	1370	1480	1500	1535	1535	1845	1855	1855	1890	1890	2090
Depth	mm	910	950	950	1020	1060	1190	1210	1310	1560	1695	1775	1930