High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes
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Product Highlights
- High Thermal Efficiency: Up to 107% thermal efficiency with DC variable-frequency fan and gas-air ratio adjustment.
- Dual-Purpose Functionality: Provides both central heating and domestic hot water with precise temperature control.
- Silent Operation: Features silent water pump and insulated components for minimal noise disruption.
- Durable Construction: Sealed oxygen-free copper heat exchanger resists corrosion and extends appliance lifespan.
- Smart Control System: Digital display with programmable scheduling for heating and water activation.
- Comprehensive Certifications: Obtained 3C, ISO9001, ISO45001, ISO14001, and National Energy Conservation certifications.
- Flexible Customization: Supports full customization, minor customization, and customization from samples or designs.
- Energy Saving Design: Reduces operating costs by 18-25% compared to standard boilers through optimized combustion.
Product Attributes
- Customization
- Available
- Capacity
- 8L
- Gas Type
- Natural Gas
- Model NO.
- DEWOSEN L1P24-WS/Q1
- Type
- Forced Exhaust
- Energy Efficiency Grade
- One
- Interior Material
- Copper
- Installation
- Indoor Standard Installation
- Housing Material
- Stainless Steel
- Control Mode
- Mechanical Edition
- Usage
- Bathroom, Kitchen
- Certification
- ISO9001, CCC, CE
- Protection Class
- Ipx4
- Voltage
- 220V 50Hz
- Anti-Freeze Temperature
- -20℃
- Brand
- Disidun
- Thermal Efficiency
- >89%
- Efficiency Level
- Level 2
- Temperature Range
- 30-60°C
- Protection Level
- Ipx4
- Fuel Type
- Natural Gas (12t)
- Rated Voltage
- AC 220V~50Hz
- Dimensions
- 740×410×305mm
- Approvals
- CE, CCC
- Minimum Power
- 100W
- Standby Power
- 2W
- Transport Package
- Carton Packing
- Specification
- 20KW 24KW
- Trademark
- DISIDUN
- Origin
- Zhongguo Dezhou
- Package Size
- 100.00cm * 100.00cm * 160.00cm
- Package Gross Weight
- 260.000kg
- Lead Time
-
10 days (1 - 50 Pieces)
To be negotiated ( > 50 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes
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High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes -
High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes -
High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes -
High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes -
High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes -
High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes -
High-Efficiency 12L Forced Exhaust Gas Water Heater for Homes
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Product Description
Product Introduction
DEWOSEN L1P24-WS/Q1 24kW Wall-Mounted Gas Water Heater
12L Instant Hot Water | Forced Exhaust | Energy-Saving & Anti-Freeze
Ideal for Home Bathroom & Kitchen, Perfect for Russia & Eastern Europ
12L Instant Hot Water | Forced Exhaust | Energy-Saving & Anti-Freeze
Ideal for Home Bathroom & Kitchen, Perfect for Russia & Eastern Europ
Overview
DEWOSEN L1P24-WS/Q1 is a 24kW forced exhaust gas water heater designed for home use, delivering stable instant hot water while adapting to cold climates in Russia and Eastern Europe.
Equipped with a high-efficiency copper tank and Class 1 energy-efficient combustion system, it achieves over 89% thermal efficiency with low gas consumption. With IPX4 waterproof design and automatic anti-freeze protection down to -20℃, it ensures reliable operation even in severe winter conditions. The forced exhaust system safely discharges combustion gases, meeting standard indoor installation requirements.
Function
As a dual-purpose appliance, the WSQ1 delivers comprehensive central heating and domestic hot water solutions with user-centric functionality. For heating, it supports both radiator and underfloor heating systems, offering adjustable temperature ranges (30–80°C for radiators, 30–60°C for underfloor setups) to accommodate varying room sizes and comfort preferences. For hot water supply, it provides precise temperature control (35–60°C) and stable output, thanks to a gas proportional valve that eliminates sudden temperature fluctuations—critical for consistent shower or dishwashing experiences. The built-in digital clock enables programmable scheduling (e.g., setting multiple daily time slots for heating/water activation), allowing users to align operation with their routines and reduce energy waste.
Advantages
DEWOSEN L1P24-WS/Q1 gas water heater integrates practical, safe and energy-saving functions to meet daily hot water needs while adapting to different usage scenarios and cold climate conditions.
Instant Hot Water Supply Function
With a 24kW rated power output and 12L/min hot water flow rate (ΔT=25℃), this gas water heater provides stable, continuous instant hot water for home bathrooms and kitchens. It supports simultaneous use of multiple water points, eliminating long waiting times for hot water.
Forced Exhaust & Safe Combustion Function
Adopting forced exhaust technology, the system safely discharges combustion gases outdoors, preventing the risk of carbon monoxide accumulation indoors. The fully enclosed combustion chamber ensures stable and complete combustion, reducing gas waste and improving overall safety.
Automatic Anti-Freezing Function
Designed specifically for cold climates, the built-in automatic anti-freeze system activates when the ambient temperature drops below 8℃, preventing the copper water tank and internal pipes from cracking due to freezing. It works reliably even at temperatures as low as -20℃, making it ideal for use in Russia and Eastern Europe.
Instant Hot Water Supply Function
With a 24kW rated power output and 12L/min hot water flow rate (ΔT=25℃), this gas water heater provides stable, continuous instant hot water for home bathrooms and kitchens. It supports simultaneous use of multiple water points, eliminating long waiting times for hot water.
Forced Exhaust & Safe Combustion Function
Adopting forced exhaust technology, the system safely discharges combustion gases outdoors, preventing the risk of carbon monoxide accumulation indoors. The fully enclosed combustion chamber ensures stable and complete combustion, reducing gas waste and improving overall safety.
Automatic Anti-Freezing Function
Designed specifically for cold climates, the built-in automatic anti-freeze system activates when the ambient temperature drops below 8℃, preventing the copper water tank and internal pipes from cracking due to freezing. It works reliably even at temperatures as low as -20℃, making it ideal for use in Russia and Eastern Europe.
Model | L1P24-WS/Q1 |
Brand | DEWOSEN |
Capacity | 12L |
Rated Power | 24kW |
Fuel Type | Natural Gas |
Energy Efficiency | Class 1 |
Tank Material | Copper |
Type | Forced Exhaust |
Installation | Indoor Standard Installation |
Protection Class | IPX4 |
Working Pressure | 0.03MPa–0.7MPa |
Power Supply | 220V 50Hz |
Anti-Freeze Temp | -20℃ |
Dimensions | 740×410×400mm |
Net/Gross Weight | 12kg / 14kg |
Certifications | ISO9001, CCC, CE |
Packaging | Export Carton + Foam |
Applications | Home, Bathroom, Kitchen |
Main Product
Company Profile
Dezhou Watson Electric Co., Ltd. is located in the national Tianqu industrial Park ofDezhou City, known as "Jiuda Tianqu, Shenjing Gateway," with convenient transporta.tion and elegant environment. lt is a high-tech joint-stock enterprise integrating R & Dproduction,sales and service of thermal energy equipment.
Since its establishment in 2011, the company has always pursued the development con-cept of technological innovation and perfect quality, providing users with safe, ener-gy-saving and environmentally friendly heating products. Product series: domestic gasheating furnace, commercial gas premixed condensing water heater, Commercial fullpre-mixed steam generator, air source heat pump air heater, air source heat pump airenergy and other high-end products, can provide family and commercial heating, hotwater and heating system solutions, widely used in residential quarters, offce buildings.shopping malls and other places.
The company has a professional scientifc research team, advanced production linesand testing equipment, strong technical strength, complete product models, qualifca-tion certifcate authority, products obtained national quality testing certifcation, Na.tional Energy Conservation Certifcation, National Environmental Protection Certifca.tion, National Compulsory Product 3c Certifcation, Star After-sales Service Certifca.tion, Provincial Quality Inspection Bureau Inspection Certifcation, Gas Burning Appli-ance Installation and Maintenance Qualifcation, National Testing Five-Star ProductCertifcation, Multiple Product Patents and Other Certifcates. The company hasmodern management, practicing lS0001 quality management system, IS045001 occu-pational heath management system, 1S014001environmental management system; Bythe General Administration of Quality Supervision, inspection and Quarantine as thenational hundred best quality and integrity benchmarking enterprise, AAA Quality In-tegrity Demonstration Company, AAA Quality Service Integrity Demonstration Compa.ny, AAA Quality Service Integrity Demonstration Company, AAA Quality Service IntegrityCompany,AAA Credit Rating Certifcate,etc.
Our Factory
Our Certifcate
Exhibition
Packaging & Shipping
FAQ
1. Q: How to choose the power of the wall-mounted boiler to match my home layout?
A: For ordinary residential buildings of 80-150 square meters, choose 24KW, which can meet the heating and hot water needs of one kitchen and two bathrooms; Choose 28KW or above models for 150m2 or larger floor-to-ceiling units or villas; For homes in the south without insulation or those with multiple bathrooms, it is recommended to increase the power by 20% to 30% to avoid insufficient hot water or heating.
2. Q: Does the online purchase of a wall-mounted boiler include installation services? How much is the charge for auxiliary materials?
A: Most online shopping models of brands include free basic installation, but do not include special fees such as high-altitude work and wall drilling. Auxiliary materials such as pipes, corrugated pipes, and filters need to be purchased separately. The total cost of auxiliary materials and special installation fees is usually around 1,000 yuan, and you can consult customer service to confirm the details of the package.
3. Q: Can a dual-purpose wall-mounted boiler provide both heating and hot water at the same time?
A: It can't run at the same time, the hot water function will start first. The machine will automatically switch between heating and hot water mode according to the opening of the hot water faucet, and the heating will be temporarily suspended when taking a bath, and the heating will resume after the hot water is turned off.
4. Q: Is there a big difference between first-class energy efficiency and ordinary wall-mounted boilers? Is it worth spending more money to buy it?
A: The main difference lies in energy efficiency. Most of the first-class energy efficiency is condensing wall-mounted boilers, and the thermal efficiency can reach more than 107%. It can save 15% to 20% of the gas fee compared with ordinary non-condensing boilers. It is very cost-effective to use it for a long time, especially for large houses or families who use hot water for a long time, and the saved gas fee can quickly cover the difference.
5. Q: The old house doesn't have pre-installed heating pipes, can I install this wall-mounted boiler?
A: Sure. For old houses or houses that have already been renovated, you can choose the open-air radiator system, which does not need to damage the walls and decoration during construction, has a short construction period, and has a good appearance after installation. After placing the order, you can book a master to measure and design the installation plan at home.
A: Sure. For old houses or houses that have already been renovated, you can choose the open-air radiator system, which does not need to damage the walls and decoration during construction, has a short construction period, and has a good appearance after installation. After placing the order, you can book a master to measure and design the installation plan at home.
6. Q: Is there any after-sales guarantee for the product? How long is the warranty period?
A: The product strictly adheres to the national "three guarantees" policy. The main model is guaranteed for 3-5 years, and the core components such as heat exchanger and water pump are guaranteed for 8-10 years. There are official authorized after-sales outlets nationwide, and after reporting a problem, a technician will be arranged to come to the door for inspection. You can contact customer service to inquire about the location of local outlets.
7. Q: Can the wall-mounted boiler still heat normally after the water supply is cut off?
A: It can heat normally. The heating system is a closed water circulation system, which does not need to be filled with water in real time, and water stop does not affect its operation; However, hot water depends on the supply of tap water, and it cannot be used after the water supply is cut off.
8. Q: How to prevent the wall-mounted boiler from freezing when no one is at home for a long time in winter?
A: When you go out for a short time, you can turn on the machine's anti-freezing mode, keep the power and gas on, and the equipment will automatically maintain a low temperature to prevent freezing. If you are away from home for a long time, it is recommended to turn off the water, electricity and gas, drain the water in the machine and pipes, and avoid water freezing and damaging the parts.
A: The product strictly adheres to the national "three guarantees" policy. The main model is guaranteed for 3-5 years, and the core components such as heat exchanger and water pump are guaranteed for 8-10 years. There are official authorized after-sales outlets nationwide, and after reporting a problem, a technician will be arranged to come to the door for inspection. You can contact customer service to inquire about the location of local outlets.
7. Q: Can the wall-mounted boiler still heat normally after the water supply is cut off?
A: It can heat normally. The heating system is a closed water circulation system, which does not need to be filled with water in real time, and water stop does not affect its operation; However, hot water depends on the supply of tap water, and it cannot be used after the water supply is cut off.
8. Q: How to prevent the wall-mounted boiler from freezing when no one is at home for a long time in winter?
A: When you go out for a short time, you can turn on the machine's anti-freezing mode, keep the power and gas on, and the equipment will automatically maintain a low temperature to prevent freezing. If you are away from home for a long time, it is recommended to turn off the water, electricity and gas, drain the water in the machine and pipes, and avoid water freezing and damaging the parts.
9. Q: Does the wall-mounted boiler consume a lot of electricity? Will it consume a lot of electricity during operation?
A: It doesn't consume much power. The main power-consuming components are the fan and the water pump, with a rated power of only 100-200W, and they do not run continuously; they are synchronized with the start-up and shutdown of the heating system, and the monthly power consumption is roughly the same as that of a household refrigerator.
10. Q: Can I return or exchange the product if I find that the model is not suitable after receiving the product?
A: We support a 7-day no-reason return and exchange if the product has not been opened and does not affect resale. If it has been opened or scheduled for installation, it may need to bear the cost of installation and auxiliary material loss if it is not a quality issue, and it is recommended to confirm the compatible model before placing an order.
A: It doesn't consume much power. The main power-consuming components are the fan and the water pump, with a rated power of only 100-200W, and they do not run continuously; they are synchronized with the start-up and shutdown of the heating system, and the monthly power consumption is roughly the same as that of a household refrigerator.
10. Q: Can I return or exchange the product if I find that the model is not suitable after receiving the product?
A: We support a 7-day no-reason return and exchange if the product has not been opened and does not affect resale. If it has been opened or scheduled for installation, it may need to bear the cost of installation and auxiliary material loss if it is not a quality issue, and it is recommended to confirm the compatible model before placing an order.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2551773". Items marked "
" are certified.
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Company Profile
Dezhou Watson Electric Co., Ltd. is a high-tech enterprise located in Tianqu National Industrial Park, Decheng District, Dezhou City, Shandong, China. Established in 2011, we integrate R&D, production, sales and service of thermal energy equipment. Our main products include gas water heaters, electric water heaters, tankless water heaters, wall mounted gas boilers, gas combi boilers and gas stoves. We are certified with ISO9001, ISO14001 and ISO45001 management systems. With a registered capital of 12, 000, 000 RMB and a modern factory, we provide high quality products and OEM/ODM services to customers worldwide.
About Our Factory & Business Background
- Address
- No. 7, Greide Road, Tianqu Industrial Park, Decheng District, Dezhou City (Room 9, Jintian Entrepreneurship Center)
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
- Main Products
- Gas Water Heater, Electric Water Heater, Tankless Water Heater, Gas Heater, Wall Mounted Gas Boiler, Instant Water Heater, Gas Boiler, Gas Geyser, Gas Combi Boiler, Instant Gas Water Heater
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
Our Industry Experience & Global Business Record
- Main Markets
- North America
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
FAQ
- How to choose the power of the wall-mounted boiler to match my home layout?
- For ordinary residential buildings of 80-150 square meters, choose 24KW, which can meet the heating and hot water needs of one kitchen and two bathrooms; Choose 28KW or above models for 150m2 or larger floor-to-ceiling units or villas; For homes in the south without insulation or those with multiple bathrooms, it is recommended to increase the power by 20% to 30% to avoid insufficient hot water or heating.
- Does the online purchase of a wall-mounted boiler include installation services? How much is the charge for auxiliary materials?
- Most online shopping models of brands include free basic installation, but do not include special fees such as high-altitude work and wall drilling. Auxiliary materials such as pipes, corrugated pipes, and filters need to be purchased separately. The total cost of auxiliary materials and special installation fees is usually around 1,000 yuan, and you can consult customer service to confirm the details of the package.
- Can a dual-purpose wall-mounted boiler provide both heating and hot water at the same time?
- It can't run at the same time, the hot water function will start first. The machine will automatically switch between heating and hot water mode according to the opening of the hot water faucet, and the heating will be temporarily suspended when taking a bath, and the heating will resume after the water is turned off.
- Is there a big difference between first-class energy efficiency and ordinary wall-mounted boilers? Is it worth spending more money to buy it?
- The main difference lies in energy efficiency. Most of the first-class energy efficiency is condensing wall-mounted boilers, and the thermal efficiency can reach more than 107%. It can save 15% to 20% of the gas fee compared with ordinary non-condensing boilers. It is very cost-effective to use it for a long time, especially for large houses or families who use hot water for a long time, and the saved gas fee can quickly cover the difference.
- The old house doesn't have pre-installed heating pipes, can I install this wall-mounted boiler?
- Sure. For old houses or houses that have already been renovated, you can choose the open-air radiator system, which does not need to damage the walls and decoration during construction, has a short construction period, and has a good appearance after installation. After placing the order, you can book a master to measure and design the installation plan at home.
- Is there any after-sales guarantee for the product? How long is the warranty period?
- The product strictly adheres to the national 'three guarantees' policy. The main model is guaranteed for 3-5 years, and the core components such as heat exchanger and water pump are guaranteed for 8-10 years. There are official authorized after-sales outlets nationwide, and after reporting a problem, a technician will be arranged to come to the door for inspection. You can contact customer service to inquire about the location of local outlets.
- Can the wall-mounted boiler still heat normally after the water supply is cut off?
- It can heat normally. The heating system is a closed water circulation system, which does not need to be filled with water in real time, and water stop does not affect its operation; However, hot water depends on the supply of tap water, and it cannot be used after the water supply is cut off.
- How to prevent the wall-mounted boiler from freezing when no one is at home for long time in winter?
- When you go out for short time, you can turn on the machine's anti-freezing mode, keep the power and gas on, and the equipment will automatically maintain a low temperature to prevent freezing. If you are away from home for long time, it is recommended to turn off the water, electricity and gas, drain the water in the machine and pipes, and avoid water freezing and damaging the parts.
- Does the wall-mounted boiler consume a lot of electricity? Will it consume a lot of electricity during operation?
- It doesn't consume much power. The main power-consuming components are the fan and the water pump, with a rated power of only 100-200W, and they do not run continuously; they are synchronized with the start-up and shutdown of the heating system, and the monthly power consumption is roughly the same as that of a household refrigerator.
- Can I return or exchange the product if I find that the model is not suitable after receiving the product?
- We support a 7-day no-reason return and exchange if the product has not been opened and does not affect resale. If it has been opened or scheduled for installation, it may need to bear the cost of installation and auxiliary material loss if it is not a quality issue, and it is recommended to confirm the compatible model before placing an order.
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