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.

 

 
 
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.

WNS Boiler
WNS Boiler suppliers

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.

Low Nitrogen Vacuum Gas Hot Water Boiler
Low Nitrogen Vacuum Gas Hot Water Boiler suppliers

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.

Low Nitrogen Gas Hot Water Boiler
Low Nitrogen Gas Hot Water Boiler suppliers

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

 

Vertical Natural Pressure Hot Water Boiler

Fire-tube Boilers

These pass hot combustion gases through tubes submerged in water to produce steam.

Vertical Oil Hot Water Boiler

Water-tube Boilers

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

Vertical Natural Pressure Hot Water Boiler suppliers

Electric Boilers

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

 

WNS Boiler

 

Application

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.

 

 

Components

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.

WNS Boiler suppliers

 

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

 

productcate-1-1

 

 

FAQ

 

Q: What types of hot water boilers do you offer?

A: We provide a range of hot water boilers, including gas-fired, electric, oil-fired, and biomass models. Each type is designed to meet different industrial and commercial heating requirements.

Q: What is the typical capacity ran

A: Our hot water boilers range from 100 kW to 10 MW, allowing flexible solutions for small to large-scale operations. Custom capacities can also be designed upon request.

Q: What efficiency standards do your boilers meet?

A: All our boilers are designed to meet or exceed international efficienc

Q: Are your bo

A: Yes, our boilers are manufactured in compliance wit

Q: What fuel options are compatible with your boilers?

A: Our boilers are compatible with natural gas, propane, diesel, heavy oil, and biomass fuels. Multi-fuel models are also available for operational flexibility.

Q: What is the typical operating pressure of your hot water boilers?

A: Standard models operate at 6–16 bar, but we can provide high-pressure models up to 25 bar for specialized industrial applications.

Q: How long is the service life of your boilers?

A: With proper operation and regular maintenance, our boilers have a service life of 15–25 years, depending on the model and operating conditions.

Q: Do you provide installation and commissioning services?

A: Yes, we offer full turnkey solutions including site assessment, installation, commissioning, and operator training to ensure safe and efficient operation.

Q: What is the expected delivery time?

A: Standard models are typically delivered within 6–8 weeks, while custom or large-scale units may require 10–14 weeks. Lead time can be optimized based on order confirmation and payment terms.

Q: How do you handle maintenance and spare parts?

A: We provide complete maintenance manuals, remote technical support, and readily available spare parts to minimize downtime and ensure continuous operation.

Q: Can your boilers be used in both industrial and commercial applications?

A: Yes, our hot water boilers are suitable for a variety of applications, including hotels, hospitals, factories, district heating, and agricultural facilities.

Q: How energy-efficient are your boilers?

A: Our boilers feature advanced heat exchanger designs and automatic combustion control systems, achieving thermal efficiencies up to 95%, helping reduce energy costs and emissions.

Q: What kind of control systems do your boilers use?

A: We equip our boilers with PLC-based or digital control systems, enabling precise temperature control, remote monitoring, and integration with building management systems.

Q: Are your boilers environmentally friendly?

A: Yes, our boilers are designed with low NOx emissions, efficient fuel combustion, and compliance with environmental regulations such as the EU Ecodesign Directive and EPA standards.

Q: Do you provide warranties?

A: All our hot water boilers come with a standard 12–24 month warranty covering manufacturing defects. Extended warranty and maintenance contracts are available upon request.

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.

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