Your Professional Hot Water Boiler Supplier!
Xinxiang Chengde Energy Technology Equipment Co.,with one equipment industrial park and three manufacturing bases, The company was founded in 2002 and began to grow and develop in 2006. Since then, it has successively obtained A2 level pressure vessel manufacturing license, pressure vessel design license, pressure pipeline design license, and pressure pipeline installation license.Boiler products are mainly used in power plants, industrial production, civil and commercial buildings, ship transportation, as well as specific industries such as petrochemicals, textile printing and dyeing, food processing, etc.
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Low Nitrogen Gas Hot Water BoilerThe burner interface and high-temperature heat transfer components, such as the front and rear smoke boxes, are rationally designed to ensure that the boiler's outer surface temperature meets design
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Low Nitrogen Vacuum Gas Hot Water BoilerIn a vacuum environment, the heat transfer medium boils at a temperature far below 100°C, the internal operating temperature of the boiler remains below 90°C, and the pressure is always below
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WNS BoilerIt has a compact structure, is easy to install, has a quick-installation design, and a short installation cycle.
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Vertical Oil Hot Water BoilerHigh temperature flue gas flows from bottom to top inside the boiler, scouring the vertical flue gas bundles (usually single return or double return structures) surrounding the furnace, and
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Low Nitrogen Condensing Vacuum Hot Water BoilerCondensation technology, energy-saving and efficient, recovers latent heat of flue gas, with a thermal efficiency of up to 102% -107%. Phase change heat transfer, ordinary boilers save 15% -25% gas.
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Water Tube Low NOx Condensing Vacuum Hot Water BoilerThe water tube vacuum boiler adopts transverse flushing of flue gas, with good water circulation and high evaporation efficiency, greatly enhancing the heat transfer of flue gas.
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Low-nitrogen Natural Pressure Gas and Oil Hot Water BoilerGas or fuel is burned in the burner, and the resulting flue gas flushes the heat exchange tube bundle (fire tube or water tube) of the boiler, transferring heat to the water outside the tube.
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Vertical Natural Pressure Hot Water BoilerOptimization of furnace body design, large heating area, high thermal efficiency, fast heating, and sufficient supply of hot water. Equipped with high-quality burners, the fuel is fully burned and
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Vertical Natural Pressure Water BoilerFully automatic computer control, no need for dedicated personnel to operate, can automatically work within the set time period, save energy, reduce heat loss, can continuously supply hot water, and
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Electric Pressure Hot Water BoilerThe system circulation pump forcibly delivers high-temperature and high-pressure hot water from the boiler to the heating or process end, and the cooled return water is pumped back to the boiler for
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Electric Vacuum Hot Water BoilerWidely used in heating, sanitary hot water, heating and air conditioning industries. Its characteristics are stable operation, easy installation and use, low operating costs, and long lifespan.
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Electric Natural Pressure Hot Water BoilerElectric hot water boiler is a new type of electric heating equipment that converts electrical energy into thermal energy. It is designed and manufactured in accordance with boiler safety supervision
Why Choose Us
Manufacturing Capacity
With four manufacturing bases, 69,000㎡ standardized workshops, and more than 300 advanced production machines, we support stable large-scale production and efficient project delivery.
Certified Quality
We hold multiple international certifications, including ASME and CE, along with pressure vessel and pressure pipeline licenses. Our quality management system and product testing capabilities help customers meet strict regulatory and project requirements in global markets.
Professional Team
Our experienced engineering and technical teams provide professional support throughout the project process, from product selection to technical solutions and after-sales service.
Sales Market
Our products are supplied to more than 70 countries and regions, covering industries such as energy, petrochemical, transportation, and industrial manufacturing.
Overview of Hot Water Boiler
A hot water boiler (or hydronic boiler) is a closed-loop heating appliance that burns fuel—such as natural gas, propane, or oil—or uses electricity to heat water, which is then circulated through pipes to radiators, baseboards, or radiant floor systems to provide space heating. Unlike steam boilers, these systems do not boil water into steam but rather heat it (typically to \(140\)–\(180^{\circ }\text{F}\)) for efficient energy transfer.
Product Specification
We offers the following product specifications:
|
Model |
Rated thermal power(MW) |
Rated Working Pressure (MPa) |
Inlet/outlet water temperature (℃) |
Thermal Efficiency (%) |
Natural gas consumption(m³) |
Shipping Weight(t) |
|
WNS0.7-1.0/95/70-Q |
0.7 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
75.3 |
5.3 |
|
WNS1.4-1.0/95/70-Q |
1.4 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
153.7 |
6.8 |
|
WNS2.1-1.0/95/70-Q |
2.1 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
230.1 |
8.9 |
|
WNS2.8-1.0/95/70-Q |
2.8 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
306.2 |
10.3 |
|
WNS4.2-1.0/95/70-Q |
4.2 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
459.3 |
12.2 |
|
WNS5.6-1.0/95/70-Q |
5.6 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
612.1 |
18 |
|
WNS7.0-1.0/95/70-Q |
7 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
763.8 |
21.1 |
|
WNS10.5-1.0/95/70-Q |
10.5 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
1170.1 |
29.5 |
|
WNS14-1.0/95/70-Q |
14 |
1.0/1.25/1.6 |
95/70,115/70,130/70 |
>96 |
1500.6 |
37.2 |
Product advantages
Compact Footprint
Unlike conventional firetube boilers, Industrial Hot Water Boiler systems feature low-volume water tube pressure vessels that save space, simplify boiler installation, and eliminate the need for tube pull-space or door-swing space.


Modular
With modular steam systems, you can meet fluctuating load demands, conserve fuel, scale production easily, and extend the lifespan of your boiler plant.
Safety
Boilers are safer by design. With more than 140,000 units in operations, once-through industrial steam boilers have never experienced a catastrophic vessel failure resulting in casualty.


Efficiency
Wasting fuel and resources costs money. The low water volume design of Hot Water Boiler provide optimal heat transfer and offer fuel-to-steam efficiencies of 85% +/-, which translates into major fuel savings.
Sustainability
Depending on the model, our low emission boilers boast NOx ratings as low as 5 ppm at 3% corrected O2 and contribute to overall energy savings.


Reliability
Boilers are equipped with a user-friendly communication panel that alerts you if something is not right. This allows you to catch issues early and avoid costly downtime.
Common types

Fire-tube Boilers
These pass hot combustion gases through tubes submerged in water to produce steam.

Water-tube Boilers
These circulate water through tubes heated by external combustion gases, allowing for higher pressure and larger loads.

Electric Boilers
Provide zero-emission, compact heating but are often limited by the high cost of electricity compared to gas.

Central Heating of Buildings: Hot water boilers are commonly used for space heating in residential, commercial, and office buildings through radiator and fan coil systems.
Domestic Hot Water Heating: Boilers are responsible for supplying domestic hot water, which is used for showers, washing, and other household purposes.
Process Water Heating in Industry: In certain industries that need water at medium or high temperatures, hot water boilers are used to heat process water.
Pools and Recreation Centers: Using hot water boilers for swimming pools is considered as one of the most effective methods of pool heating and is an ideal option for heating both residential and commercial pools.
Greenhouses: It is crucial to use a suitable heating system to ensure a consistent temperature inside the greenhouse. Hot water boilers are used to supply hot water for greenhouse heating systems, such as underfloor heating or piping along the walls.
Burner: The burners function is to mix air and fuel to optimal proportions for complete and efficient combustion and provide an ignition source for the mixture. Oil burners typically use a forced draft burner with fuel atomization using a pressure nozzle, air or steam.
Combustion chamber: Combustion requires three components: fuel, oxygen and heat. All three of these must be controlled to efficiently control a boiler. The rate of fuel being supplied is controlled to match the requirements of the process to maintain the boiler temperature.
Heat exchanger: Past the end of the flame zone, the hot products of combustion and unconsumed portions of the air pass through narrower heat exchange channels and heat is transferred via convection and conduction.
There are three main configuration of heat exchangers in boilers: Water-tube, fire-tube and cast-iron sectional.

Other Services
All of our machines will be fully checked by our quality control department before the shipment. We guarantee all of our machines have a one-year warranty (quick-wear parts not included).
Training details: Operation principles, system, and structure, safety and maintenance, software processing technique, etc.
Numerous feedback from our clients have proven that our machines are stable in performance with rare malfunction. However, we would like to handle it as follows once malfunction occurs:
a. We guarantee that we will give you a clear reply within 24 hours.
b. Customer service staff will assist you in analyzing the malfunction to locate the cause.
c. If the malfunction is caused by improper operation of software and other soft faults, we will help solve the problem online.
d. We will offer plenty of online support, like detailed technical and installation instructions via email, video, and telephone.
Package & Delivery
Package: Standard export package or Custom
Delivery: By air express, by sea

FAQ
With over 20 years' experience, we are one of the most reliable hot water boiler manufacturers and suppliers in China. Please feel free to buy durable hot water boiler made in China here from our factory. Welcome to view our website for more information.
