High Performance Combination Gas Boiler and Hot Water Heater HWB-A18

HWB A-18 Wall hung boiler and water heater features superior temperature stablility and user-friendly backlit LCD display.

The unit has a wide power range in 7 sizes 18kW 20kW 24kW 28kW 32kw 36kW 40kW, to meet all of your heating and hot water needs, whilst doing so efficiently.

Item NO.:
HWB-A18
Payment:
T/T, LC at sight
Product Origin:
China
Color:
White
Shipping Port:
Zhongshan, Guangzhou
Order(MOQ):
1

Product Detail

KEY FACTS AND BENEFITS

Wide choice of heat output.
Wifi connectivity with thermostat.
Simple boiler controls with clear information display
Stepless gas proportional valve paired with water flow stablizer effectively temperature fluctuation due to water pressure changes.
Low energy pump further saves electrical usage
Instantaneous hot water, always available
Two levels of frost protection is included, offering flexiblity for installation location.
Hot water temperature can be fine tuned and automatically stablized. Highly sensitive sensor enables immediate and precise feedback of real-time water temperature.
Peacefully enjoys warmth for superior insulation rendering specially quiet operation.

TECHNICAL DATA

Model	HWB-A18-18P HWB-A18-18D	HWB-A18-20P HWB-A18-20D	HWB-A18-24P HWB-A18-24D	HWB-A18-28P HWB-A18-28D	HWB-A18-32P HWB-A18-32D	HWB-A18-34P HWB-A18-34D	HWB-A18-40P HWB-A18-40D
Fuel Type	Natural gas /LPG /Town gas
Rated gas pressure(Pa)	2000(Natural gas) /2800(LPG) /1000(Town gas)
Rated heat load(kW)	18	20	24	28	32	36	40
Heat efficiencty at rated heat load	≧90%	≧90%	≧90%	≧90%	≧90%	≧90%	≧90%
Power supply	AC220-50Hz	AC220-50Hz	AC220-50Hz	AC220-50Hz	AC220-50Hz	AC220-50Hz	AC220-50Hz
Rated electric power (W)	110	110	110	120	120	150	150
Water proof protection	IPX4	IPX4	IPX4	IPX4	IPX4	IPX4	IPX4
Central Heating
Rated output capacity (kW)	16.2	18	21.6	25.2	28.8	32.4	36
Water temperature range (℃)	Radiator: 30-80; Underfloor heating: 30-60
Heating area (sq.M）	50-120	70-140	80-180	120-220	160-260	200-300	250-380
Water pump lift（m)	5	5	5	6	6	7	7
Water pressure for heating system (MPa)	0.1-0.3	0.1-0.3	0.1-0.3	0.1-0.3	0.1-0.3	0.1-0.3	0.1-0.3
Expansion tank volume (L)	6	6	6	6	6	8	8
Expansion tank preload （MPa）	0.1	0.1	0.1	0.1	0.1	0.1	0.1
Heating system circuit	Sealed and forced
Domestic hot water
Flow rate △T=25℃(kg/min)	9	10	12	14	16	18	20
Flow rate △T=30℃(kg/min)	7.5	8.3	10	11.7	13.7	15	16.7
DHW temperature range(℃)	30-60
Applicable water pressure(MPa)	0.03-0.8	0.03-0.8	0.03-0.8	0.03-0.8	0.03-0.8	0.03-0.8	0.03-0.8
Min.Startup flow rate(L/min)	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Min.turnoff flow rate(L/min)	2	2	2	2	2	2	2
Connector	Heating/gas inlet: G3/4; DHW connector: G1/2
Flue spec (mm)	Coxial double pipes Φ60-Φ100
Flue pipe length (m)	1	1	1	1	1	1	1
Net weight (kg)	32.8	32.8	33	35	35	39.5	39.5
Normal working noise (dB)	<45	<45	<45	<45	<45	<45	<45
Exhaust type	Balanced forced draught
Ignition	Pulse automatic ignition
Temperature control method	Gas proportional modulating
Dimension (mm)	740410310	740410310	740410310	740410310	740410310	740460321	740460321

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