Ultra-Thin Hot Water Heating System with Energy-Saving Features

• Customization: Available
• Capacity: 12L, 12L
• Gas Type: Natural Gas, Natural Gas
• Model NO.: H1
• Type: Forced Exhaust, Forced Exhaust
• Energy Efficiency Grade: One, One
• Interior Material: Copper, Copper
• Installation: Indoor Standard Installation, Indoor Standard Installation
• Control Mode: Mechanical Edition, Mechanical Edition
• Usage: Bathroom, Kitchen, Bathroom, Kitchen
• Certification: ISO9001, CCC, ISO9001, CCC
• Function: Water Boiler, Hot Water Boiler
• Fuel: Gas-Fired
• Media: Hot Water
• Water Circulation: Forced Circulation
• Manufacturing Level: a
• Burning Style: Chamber Combustion Boiler
• Structure: Cold Plate Spraying
• Thermal Efficiency: >89%
• Anti-Freeze System Start-up Temperature: <8°C
• Maximum Pressure of Domestic Hot Water: 0.7MPa
• Minimum Pressure of Domestic Hot Water: 0.03MPa
• Expansion Tank Capacity: 6L
• Expansion Tank Pressure: 0.1MPa
• Maximum Operating Pressure of Heating S: 0.3MPa
• Transport Package: Cardboard Packaging
• Specification: 20KW 24KW
• Trademark: DISIDUN
• Origin: Dezhou, China
• Package Size: 74.00cm * 45.00cm * 31.00cm
• Package Gross Weight: 27.000kg

Product Description

Product Introduction

The WSH1-type gas heating hot water stove boasts a sleek, modern rectangular design with a smooth matte white finish, blending seamlessly into residential interiors like kitchens or utility rooms. Its front panel features a soft curved indentation that frames the brand logo at the top and a circular digital control zone at the bottom—this zone includes a vibrant purple-lit display (showing temperature, time, and settings) surrounded by intuitive buttons (power, temperature adjustment, mode selection). A blue certification label (with a QR code) is affixed to the upper right corner, indicating compliance with safety standards. The wall-mounted structure is compact, saving floor space while maintaining a polished, unobtrusive aesthetic that suits both contemporary and traditional home decor.

Function

As a dual-purpose appliance, the WSH1 gas heating hot water stove provides both central home heating and on-demand hot water. Powered by gas (natural gas or LPG), it heats water via efficient combustion: the heated water circulates through radiators/underfloor systems for space warming, or is delivered directly to taps/showers (eliminating the need for a separate hot water tank). The circular digital control panel allows users to adjust heating temperatures, set timers, toggle between heating and hot water modes, and monitor operational status in real time. Built-in safety features (backed by the certification label) likely include flame failure protection, overheat shut-off, and pressure regulation, ensuring safe, reliable performance in domestic environments.

Advantages

The WSH1 gas heating hot water stove offers key benefits for homeowners. Its dual-function design consolidates heating and hot water systems, reducing installation costs and saving valuable floor space—ideal for small homes or apartments. Gas-powered operation is cost-effective (typically cheaper than electric alternatives), and its on-demand hot water delivery minimizes energy waste (unlike storage tanks that reheat water continuously). The intuitive digital control panel enables precise temperature and schedule management, enhancing comfort while optimizing energy efficiency. The compact, wall-mounted structure maximizes usable space, and the safety certification ensures compliance with industry standards, providing peace of mind. Overall, this appliance combines space-saving practicality, cost efficiency, and user-friendly functionality, making it a versatile, economical choice for residential heating and hot water needs.

Product features:	Living hot water   heating
	Plate heat exchanger Constant temperature bath
	Multiple functions Outstanding performance
	Multiple protection Safe and worry-Scheduled temperature Can be connected to the indoor temperature controller
Product characteristics	MINI body
	Light and thin volume
	LED digital screen touch panel
	Reasonable structure
	Ultra low emission Energy saving and gas saving
	Advanced process
	Core accessories
	Low-noise operation
	Quality assurance

Product Technical Specifications
Model WSH 1	unit	20kW	24kW
Maximum rated heat load for heating	kW	20.0	24.0
Heating rated minimum heat load	kW	7	8.4
Maximum rated heat output for heating	kW	17.8	21.4
Rated minimum heat output for heating	kW	6	7.1
Rated heat load of domestic hot water	kW	20.0	24.0
Thermal efficiency	%	>89
Rated gas consumption (natural gas)	m³/h	2.22	2.64
Effective heating area	m²	<100	<150
Anti-freeze system start-up temperature	°C	<8	<8
Minimum hot water output	kg/min	2.7	2.7
Maximum pressure of domestic hot water system	MPa	0.7	0.7
Minimum pressure of domestic hot water system	MPa	0.03	0.03
Expansion tank capacity	L	6	6
Expansion tank pressure	MPa	0.1	0.1
Maximum operating pressure of heating system	MPa	0.3	0.3
Rated gas pressure (natural gas)	kPa	2.0
Gas pressure range (natural gas)	kPa	1.5-3.0
Maximum set temperature for heating hot water	°C	80	80
Minimum set temperature for heating hot water	°C	30	30
Maximum set temperature for domestic hot water	C	60	60
Minimum set temperature for domestic hot water	C	30-35	30-35
Hot water production rate (Δt=25K)	kg/min	10.0	12.0
Hot water production rate (Δt=30K)	kg/min	8.5	10.2
Rated power	W	120	120
Minimum power	W	100	100
standby power	W	3	3
Rated voltage/frequency		220V~/50Hz	220V~/50Hz
Types of electric shock protection	—	Class 1
Enclosure protection rating	---one	IPX4

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.

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.

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.