Wood-burning fireplace boiler MONTEGRAPPA MB MEGAIDRO W 31 – 35

Description

Wood-burning fireplace boiler MONTEGRAPPA MB MEGAIDRO W 31 – 35

Large wood-burning fireplace to heat water. It stands out for the rectangular shape of the door, entirely in ceramic glass; Sliding and flap opening for cleaning. Combustion chamber covered in CMtech, a refractory made with significant thicknesses. Optional are the two accessories for the open and closed expansion tank and the kit for the production of domestic hot water.

MB MEGAIDRO W

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power

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		MEGAIDRO W31	MEGAIDRO W35
Quality class (D.M. 186 – 7/11/2017)
overall heat output (at the hearth)	28.8		35.0	Kw
Certified	24.9		29.8	Kw
Power rendered to the environment	11.4		12.6	Kw
Power rendered to water	13.4		17.2	Kw
CO measured (at 13% oxygen)	0.0353		0.0300	%
Yield (η)	86.0		85.2	%
Primary Particulate Matter (PP) at 13% oxygen	14		20	mg/Nm3
COT (at 13% oxygen)	22		8	mg/Nm3
Max working	3		3	bar
Fuel	6.8		8.2	kg/h
flow rate of fumes	22.7		24.9	g/s
Flue	182		200	°C
draught (vacuum at the chimney)	11		11	Pa
Smoke	Ø 250		Ø 250	Mm
internal section of the chimney	Ø 25 / 25×25		Ø 25 / 25×25	Mm
Min. flue	5		5	m
inlet ducts	100		100	Mm
Heatable surface with certified	285		343	*sqm
net weight	409		409	Kg
Weight with packaging	432		432	Kg
** with the conditions shown in the General Catalogue