25KW Condensing Gas Wall-hung Boiler

Product Description

Engineering/Commercial Machine: Single series unified inch stainless steel inlet and outlet pipes, metal beveled panel, high-end chassis, German EBM fan valve group, BW-5G cast aluminum main heat exchanger, 20 piece high-efficiency stainless steel heat exchanger, large capacity expansion water tank, overhead air filter.

Product parameters

	unit	LL1GQ35-40-BWF/CH1
project		35KW	40KW
model		LL1GQ35	LL1GQ40
Type of gas		12Tnatural gas	12Tnatural gas
Rated gas pressure	Pa	2000	2000
Gas pressure range	Pa	1500-2500	1500-2500
power supply	V/HZ	220/50	220/50
Rated input maximum power	KW	35	40
Rated input minimum power	KW	7	8
Rated output maximum power	KW	35.7	40.8
Rated output minimum power	KW	7.56	8.64
Energy efficiency rating	/	National Standard Class I	National Standard Class I
Thermal efficiency	%	108%	108%
Maximum electric power	W	128	143
Maximum outlet temperature	℃	90	90
Heating maximum operating pressure	bar	3	3
water capacity	L	5.8	5.9
Expansion tank volume	L	8	8
Expansion tank pre-charge pressure	bar	0.75	0.75
Nominal hot water production rate △t=30)	/	13	15.5
Heating hot water temperature range	℃	30-80	30-80
Bathroom hot water temperature range	℃	30-60	30-60
Heating hot water pressure range	MPa	0.03-0.5	0.03-0.5
Bathroom hot water pressure range	MPa	0.05-0.3	0.05-0.3
Heating water supply/return interface	/	DN20	DN20
gas connection	/	DN20	DN20
Hot and cold water interface	/	DN15	DN15
Flue interface	mm	60/100	60/100
Maximum Condensate	L/h	2.2	2.2
PH value of condensed water	PH	≈4.8	≈4.8
NOx emission level	/	National Standard Class V	National Standard Class V
degree of protection		Ⅰ	Ⅰ
waterproof level	IP	×4D	×4D
Noise	dB	≤36	≤36
Weight (without packaging)	Kg	42	43
Dimensions wide (height x width x thickness)	mm	700×410×310	700×410×310