Introduction

> Gas-fired (Oil-fired) Hot Water Boiler
Yuanda gas/Lpg/oil fired hot water boiler, the most popular WNS series fire tube boiler, it is horizontal three pass fire tube structure boiler, with higher-efficiency up 99% & energy-saving & fully automatic running. Importantly, WNS series boiler has a lower emissions, environmental-friendly.
> Fire Tube Boiler Introduction
WNS seires oil gas fired boiler, with characteristics of "fan-shape three pass boiler" "wet-back boiler" "corrugated-furnace" "smoke change chamber" "spirally tube", greatly improve thermal efficiency up to 99%.
> Product: Vertical Oil Gas Boiler
Vertical oil gas fired hot water heater boiler, Thermal capacity in 100kw-1400kw. Smaller size boiler help saving boiler room area. Simple structure & easy installation & automatic control.
> Yuanda Boiler
Fuel options: Gas Lpg Diesel Heavy-oil Biogas Dual-fuel, Electricity, Coal, Charcoal, Wood, Biomass, Pellets, EFB Palm-kernel-shells, Rice-husk, Peanut-shells, Cashew-nuts-shells, Sunflower-seeds-shells, Bagasse, etc.
Boiler Features

100% Safety
We make the ultrasonic flaw detection and water pressure test for body body and pressurized part. Boiler equipped with double gauges & safety valves
High Automation Boiler
Intelligient control panel of boiler, it controls the size of the flame of the burner, water level, pressure, temperature and other signals inside the boiler
Energy-Saving Boiler
Three pass boiler, three pass can extend the flue gas distance, enhance heat transfer and increase thermal efficiency. Full heat insulation condenser design
Environmental Friendly
WNS series boiler, it could satisfy all countries' environment NOx emission limit standard. We are on the way to green environment protectionTechnical Parameter

| Model | Rated power(MW) | Rated pressure (Mpa) | Rated output temperature(℃) | Rated return water temperature(℃) | Thermal efficiency(%) | Exhaust temperation(℃) | Fuel comsumption | max transportation weigh(t) | |
| light diesel oil(kg/h) | natural gas(Nm³/h) | ||||||||
| WNS0.35 | 0.35 | 0.7/1.0/1.25 | 95/115/130 | 70 | >97 | 60-75 | 31.6 | 36.6 | 2.65 |
| WNS0.7 | 0.7 | 0.7/1.0/1.25 | 95/115/130 | 70 | >97 | 60-75 | 60.4 | 69.3 | 4.66 |
| WNS1.4 | 1.4 | 0.7/1.0/1.25 | 95/115/130 | 70 | >97 | 60-75 | 122.8 | 146.1 | 6.53 |
| WNS2.1 | 2.1 | 0.7/1.0/1.25 | 95/115/130 | 70 | >97 | 60-75 | 192.3 | 227.1 | 7.3 |
| WNS2.8 | 2.8 | 0.7/1.0/1.25 | 95/115/130 | 70 | >97 | 60-75 | 246.1 | 286.5 | 8.1 |
| WNS4.2 | 4.2 | 0.7/1.0/1.25 | 95/115/130 | 70 | >97 | 60-75 | 367.1 | 412.6 | 15.1 |
| WNS5.6 | 5.6 | 0.7/1.0/1.25/1.6 | 95/115/130 | 70 | >97 | 60-75 | 490.2 | 543.7 | 18.2 |
| WNS7.0 | 7.0 | 0.7/1.0/1.25/1.6 | 95/115/130 | 70 | >97 | 60-75 | 593.6 | 660.7 | 25.6 |
| WNS10.5 | 10.5 | 0.7/1.0/1.25/1.6 | 95/115/130 | 70 | >97 | 60-75 | 936.5 | 998.8 | 29.1 |
| WNS14.0 | 14.0 | 0.7/1.0/1.25/1.6 | 95/115/130 | 70 | >97 | 60-75 | 1200.8 | 1330.7 | 47.8 |
| Note: Parameter is for reference only, if any changes should follow the factory technical data. | |||||||||
Supply Boiler & Accessories

Boiler Solution

Solutions for Various Industries
Provide customized hot water boiler solutions for hotels, hospitals, residential buildings, food processing plants, and industrial facilities requiring reliable hot water or central heating.
Customized for Your Hot Water Demand
Customize boiler capacity, hot water output, and supply temperature according to heating load, water consumption, and application requirements.
Energy Consumption & Operating Cost Analysis
Estimate fuel consumption and operating costs based on heating demand, operating hours, return water temperature, and local energy prices to help identify a suitable heating solution.
Complete Hot Water System Configuration
Integrate circulation pumps, expansion tanks, water treatment equipment, storage tanks, and temperature control systems according to project requirements.
Why Choose us

Complete Boiler Solutions – Customized boiler systems based on your required capacity, fuel type, working pressure, and application.
International Certifications – Manufacturing capabilities supported by ASME, ISO 9001, CE PED, EAC, DOSH, and CRN certifications, as applicable to the specific model and market.
Global Project Experience – Boiler equipment supplied to over 135 countries and regions, with installation and commissioning services completed in more than 60 countries.
Direct Manufacturer Support – Professional technical assistance from project consultation and equipment selection to installation and after-sales service.
Henan Yuanda Boiler Corp Ltd
We are a fully integrated manufacturer specializing in the design, engineering, manufacturing, installation, and after-sales service of industrial boilers and incinerators. Our products are available with internationally recognized certifications, including ASME, CE PED, ISO 9001, EAC, DOSH, and CRN.
With nearly 70 years of manufacturing experience and more than 20 years of export expertise, we supplied industrial heating equipment to over 135 countries and regions across Asia, Europe, Africa, North America, South America, and Oceania.
Certificates & Qualifications
Global Projects & Services
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