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Wall-hung Gas Boiler B6A

Condensing;
High efficiency for modern ecological concept.

Model: B6A

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Wall-hung Gas Boiler B6A

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Features

Heating&hot water
Intelligently control the household temp

Heating&hot water functions adopt four-point temp. control tech.,
which effectively controls the temp. and shortens the heating time,
and the temp. difference of hot water is as low as ±1°C;
3 heating modes, matching different heating needs,
saving time and energy; 3 stages combustion tech.,
combustion heat load ratio is 1:8, and the firepower
can be large or small, so as to eliminate the problem
of enough hot water in winter and too-hot water in summer,
and enjoy a comfortable bathing experience at all times.

Four-point temp. control tech.
More Rapidly heating, ±1°C hot water temp. difference

By monitoring the heating temp. at multiple points, the heating state can be adjusted in real time,
and the hot water output temp. can be kept constant while ensuring fast heating.

3 heating models
Matching different heating needs, save time and energy

Providing 3 heating modes of home, going out, and sleep, and users can switch at will. While ensuring comfortable heating,
it can effectively save energy and match different heating needs.

3 stages combustion
No scalding skin in
Summer bath
Enough warmth in winter bath

Intelligent 3-stage adjustable firepower, the lowest temp.
rise is as low as 6K, and it is easy to achieve a comfortable
bathing experience with stable hot water temp.
rise in summer and strong firepower in winter.

Laminated high-precision screen

Easy operation with one touch, intuitive parameter display

42db low noise

Low-vibration design structure and sealing material treatment are adopted to suppress the running noise from the source and structure.

Power off memory

Intelligently back up the working status,
restarting after power failure, auto read the working
status information before, no need to reset.

Specifications

Model	LL1PBD20-20B6A	LL1PBD26-26B6A	LL1PBD30-30B6A	LL1PBD20-20R6	LL1PBD26-26R6	LL1PBD30-30R6
Max./min. heat load input power (Kw)	20/7.5	25.6/8.5	29.6/10.8	20/7.5	25.6/8.5	29.6/10.8
Heating:Max. heat load output power (80-60℃) (Kw)	19	24.6	28.5	19	24.6	28.5
Heating:Max. heat load output power (50-30℃) (Kw)	20	26	30	20	26	30
Heating:Min. heat load output power (80-60℃) (Kw)	7	7.8	10.2	7	7.8	10.2
Heating:Min. heat load output power (50-30℃) (Kw)	7.2	8.2	10.5	7.2	8.2	10.5
DHW: Max. heat load input power (Kw)	20	25.6	29.6	20	25.6	29.6
DHW: efficiency (%)	96.23%	96.72%	97.02%	96.02%	96.08%	96.25%
Heating efficiency (%)	101.68%	104.01%	105.13%	104.06%	102.23%	102.79%
Rated Max./min. power (W)	125/110	135/115	135/115	108/95	115/98	120/105
Enclosure protection class	IPX4D	IPX4D	IPX4D	IPX4D	IPX4D	IPX4D
Heating performance:Highest water temp. (℃)	85	85	85	85	85	85
Heating performance:Water temp adjustment range (℃)	Radiator 30-80; Floor heat 25-60	Radiator 30-80; Floor heat 25-60	Radiator 30-80; Floor heat 25-60	Radiator 30-80; Floor heat 25-60	Radiator 30-80; Floor heat 25-60	Radiator 30-80; Floor heat 25-60
Heating performance:System Max. water pressure (Mpa)	0.3	0.3	0.3	0.3	0.3	0.3
Heating performance:Expansion tank volumn (L)	6	6	10	6	6	10
Heating performance:Heating area reference (m2)	60-160	80-220	100-250	60-160	80-220	100-250
DHW performance:Water temp adjustment range (℃)	35-60	35-60	35-60	35-60	35-60	35-60
DHW performance:Hot water capacity △t=25K	12	15	17	11	14	16
DHW performance:Hot water capacity △t=30K	9	11	13	9	11	13
DHW performance:Water pressure (Mpa)	0.02-0.8	0.02-0.8	0.02-0.8	0.02-0.8	0.02-0.8	0.02-0.8
Net weight (Kg)	36	37	40.5	36.5	37.5	39
Product dimension LWH (mm)	720420312	720420312	720420335	720420312	720420312	720420335
Package dimension LWH (mm)	830515420	830515420	830515443	830515420	830515420	830515443

Frequently Asked Questions

Q: How do I choose the right gas water heater capacity for my household?

A:
The capacity you need depends on the number of family members and your hot water usage patterns. For example, if you have a small family with normal hot water demand, a model with a rated hot water capacity of 12 - 16L/min (like some models in our range) might be sufficient. But for larger families or those with higher hot water consumption, such as frequent bathtub filling, you may need a model with a higher capacity, like 18 - 20L/min.
Q: What's the difference between a forced-draft and a balance-type gas water heater?

A:
A forced-draft gas water heater uses a fan to exhaust combustion gases to the outside. It requires an exhaust flue connected to the outside. In contrast, a balance-type gas water heater has a sealed combustion chamber. It draws in outside air for combustion and exhausts gases outside through a coaxial flue. This makes it safer for installation in areas with limited ventilation, as it doesn't consume indoor air for combustion.
Q: How can I ensure the safety of using a gas water heater?

A:
Our gas water heaters are equipped with multiple safety features. Most models have a “7 + 2” maximum protection system, which includes measures like over - temperature protection, anti-dry-burning protection, and flame-out protection. Additionally, features such as error warning systems and water-pressure release devices further enhance safety. Regular maintenance and inspection as per the user manual are also recommended.
Q: Can the gas water heater maintain a stable water temperature?

A:
Yes, our gas water heaters are designed with advanced temperature control technologies. For instance, micro-flame technology allows for precise adjustment of the flame, enabling accurate temperature control. Smart self-adaptation features can also adjust to changes in water pressure and gas supply, maintaining the water temperature within a narrow range, typically ±0.5℃.
Q: How energy - efficient are these gas water heaters?

A:
Our gas water heaters generally have high efficiency ratings, often exceeding 88%. Models with advanced features like condensing technology can further improve energy efficiency by recovering heat from the exhaust gases. Choosing a high-efficiency model not only saves on energy costs but also reduces environmental impact.
Q: Can the gas water heater work in low-water-pressure conditions?

A:
Some of our models are specifically designed to work in low-water-pressure environments. They have a low-water-pressure startup feature, which allows them to activate and operate normally even when the water pressure is relatively low. This ensures that you can still enjoy hot water in areas with limited water pressure.