Cast Iron Boilers

OPTIMAJOROil & Gas Cast Iron Boiler

92–203 kW

Mid-to-high output cast iron boiler with a 3 pass design for residential and light commercial heating applications.

Key Features

Output range	92–203 kW
Efficiency	90.6–91.6%
Fuel	Oil and gas
Application	Residential and light commercial
Status	Active Production

Model			7	8	9	10	11	12	13	14
Heat output CE 92/42		KW	92.40	108.20	124.00	139.70	155.60	171.50	187.50	203.50
Input power		KW	101.90	119.00	132.20	153.30	170.50	187.70	204.90	222.10
Number of elements			7	8	9	10	11	12	13	14
Gas	Flowing fume mass	Kg/h	155	180	206	232	258	284	310	336
	Fume volume	m³/h	212	251	283	317	353	389	425	461
	CO2 percentage	%	10.2	10.2	10.2	10.2	10.2	10.2	10.2	10.2
Oil	Flowing fume mass	Kg/h	154	181	209	232	259	286	313	340
	Fume volume	m³/h	213	249	285	312	348	384	420	456
	CO2 percentage	%	13.2	13.1	13	13.2	13.3	13.4	13.3	13.2
Fume temperature		°c	208	211	208	202	208	206	204	202
Fume circuit volume		L	58.5	67.3	76.1	84.9	93.7	102.5	111.3	120.1
Combustion chamber lengh		mm	618	721	824	927	1030	1133	1236	1339
Combustion chamber diameter		mm	420*370	420*370	420*370	420*370	420*370	420*370	420*370	420*370
Necessary draw		mbar	0.20	0.25	0.32	0.41	0.52	0.65	0.80	0.97
Fume resistance		mbar	0.15	0.20	0.27	0.36	0.47	0.60	0.75	0.92
Efficiency at 30 % charge 50°c		%	91.3	91.9	92.2	92.5	92.7	93.2	93.6	93.7
Efficiency at 100 % charge 70°c		%	90.6	90.9	91	91.1	91.3	91.4	91.5	91.6
Nominal water flow at Pn ΔT 15°		m³/h	3.97	4.65	5.33	6.01	6.69	7.37	8.05	8.73
Water capacity		L	55.0	62.5	70.0	77.5	85.0	92.5	100.0	107.5
Maximum working pressure		Bar	6	6	6	6	6	6	6	6
Working temperature		°c	90	90	90	90	90	90	90	90
Ø Flue outlet		mm	200	200	200	200	200	200	200	200
Supply Ø		"G	2	2	2	2	2	2	2	2
return Ø		"G	2	2	2	2	2	2	2	2
Drain		"G	3/4	3/4	3/4	3/4	3/4	3/4	3/4	3/4
Boiler body weight		Kg	445	495	545	595	645	695	745	795

MODEL		7	8	9	10	11	12	13	14
L (mm)		840	940	1040	1140	1240	1340	1440	1540