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Wall-hung Gas Boiler M2

Double Circuit;

Combination of heating & domestic hot water.

Model: M2

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Wall-hung Gas Boiler M2

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Features

M2 Series

Gas water heater

36 years of hard work Inherited quality, reliable and durable

As one of the old enterprises that were the first lot to research and develop gas appliances in China,Macro has been dedicated for 36 years
to the product philosophy with users’ experience, quality improvement and technical innovation as the core to create values for its customers.
Market survey, quality improvement and technical upgrading achievements for one generation after another focus on products of the next generation.
It has done those just for one smile from customers.Macro offers happiness for all families.

One-click ECO Save gas by 15% every day

For the M2 series of special smart ECO energy saving mode,
after one-click enabled ECO mode, the products automatically
identify users’ living rules. In the period when users sleep,
it automatically controls heating temperatures
as the ones very comfortable for sleep to achieve
the energy saving goal. Along with the WIFI module,
energy saving will be more remarkable.

WiFi smart loT (optional) One-click home heating ahead of schedule

For the M2 series of products, the 2nd generation
of Macro WiFi modules can be chosen
to achieve temperature control, machine start and stop,
Smart appointment, gas volume inquiry and other multiple
settings at any time any where by mobile phone APP
remote control. It can be enabled at the moment
of return from work, and one can enjoy comfortable warmth
when he is back home.

Double noise reduction The running volume is gentle and soft

The three-layer cavity noise reduction design
is combined with a silent combustion system,
which reduces the volume of machines to 46dB during operation,
which has surpassed the current national standard (65dB).
It is like whispering softly to allow family members
to enjoy a warm time in peace.

Honeycomb heat exchange
Faster domestic hot water with more constant temperature

The use of honeycomb plate heat exchange technology,
hot water for heating and domestic cold water is fully exchanged with the maximum heat exchange area without contact,
which allows domestic hot water to quickly heat up and maintain a constant temperature to improve the bathing experience.

Heat segmentation adaptation Not hot in summer and warm enough in winter

In summer, the water inlet temperature is higher.
The products are automatically adaptable
to gentle heat combustion heating of part of fire rows.
The water inlet temperature in winter is lower.
The products are automatically adaptable
to full fire row combustion heating.
There is comfortable bathing experience all year round.

The small size does not take up space
A small figure bursts into great energy

The heating and hot water integrator is both a heater and a water heater as well, which takes into account of the dual needs of heating and bathing.
It has a small size and a 30% reduction in volume compared to conventional wall mounted boilers, which can save space and budget.

48 protective nets Allowing no risks to approach life

Worried about gas leaks? Electric leakage?
Is the temperature too high? Are you afraid of the cold in winter? ...
Macro’s wall mounted stoves have 48 active protection designs,
including triple smart anti-freezing, explosion-proof ignition,
flameout protection, anti overheating,
and anti leakage protection technology.
It is safe and has no blind spots,
which makes it safe to buy and comfortable to use.

Golden ratio composition
Creating a modern aesthetic matched with black and white

The Macro M2 series uses a super textured white laminated
panel with a black large screen touch panel,
which not only gives the product a sense of technology,
but also takes into account its compatibility
with various home environments. The simple UI, soft touch,
and golden ratio all give the product a soul,
expressing Macro’s concept of user experience as the core.

Specifications

Model	L1PB20-18M2	L1PB24-22M2	L1PB26-24M2	L1PB28-25M2	L1PB32-28M2	L1PB36-32G2	L1PB40-36G2
Heating system rated max. heat load (Kw)	20	24	26	28	32	36	40
Heating system rated max. heat output (Kw)	18	21.6	23.2	25	28.5	32	36
Heating system rated min. heat load (Kw)	8	9.5	11.2	12.5	12.5	10	10
Heating system rated min. heat output (Kw)	7	8.5	9.5	10.5	10.5	8.5	8.5
Heating 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	Radiator 30-80; Floor heat 25-60
Heating area reference (m2)	60-150	70-180	80-200	120-180	140-200	150-300	150-330
Domestic hot water:DHW rated heat load (Kw)	20	24	26	28	32	36	40
Domestic hot water:Hot water capacity (△t=25K)	10	12	13	14	16	18	20
Domestic hot water:Hot water capacity (△t=30K)	8.5	10	11	12	13.5	14.5	16.5
Domestic hot water:DHW pressure range	0.02-0.8MPa	0.02-0.8MPa	0.02-0.8MPa	0.02-0.8MPa	0.02-0.8MPa	0.02-0.8MPa	0.02-0.8MPa
Domestic hot water:DHW temp. adjustment range ℃	35-60	35-60	35-60	35-60	35-60	35-60	35-60
Expansion water tank capacity (L)	6	6	6	6	6	10	10
Rated power (W)	115	120	120	130	130	174	174
enclosure protection class	IPX4	IPX4	IPX4	IPX4	IPX4	IPX4	IPX4
Net weight (Kg)	27	28	28	37	37	42	42
Product dimension LWH (mm)	680363305	680363305	680363305	720420365	720420365	740480348	740480348

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.