Fuel Saving Automatic CWNS Series Fire Tube Hot Water Boiler High Efficiency Natural Circulation PLC Controlled Oil/Gas Fired

Zero pressure Operation Ultra Safety

Adopts professional atmospheric pressure design, running with zero working pressure all the time. Equipped with expansion water tank for automatic pressure balance. No explosion risk, no local boiler inspection and special operator certificate required. It greatly saves project approval time and engineering cost, ideal for public and residential heating projects with high safety standards.

High Thermal Efficiency Energy Saving

Featured with horizontal three-pass wet back structure, corrugated furnace and threaded smoke tubes to expand heat exchange area fully. The thermal efficiency reaches 95% with low exhaust temperature. It realizes sufficient fuel combustion, effectively reduces diesel and natural gas consumption, and cuts long-term operating costs for customers.

Full-automatic Intelligent Control

Equipped with industrial PLC intelligent control system, supporting one-key start-stop and automatic constant temperature adjustment. Built with multiple safety protection devices including water shortage, over-temperature, flameout and gas leakage protection. It supports 24-hour unattended operation, minimizing manual management cost and operation failure risk.

Durable Structure Low Maintenance Cost

Made of high quality boiler-specific thickened steel with integral welding process, anti-corrosion and high temperature resistance. Full wet-back structure avoids smoke box burnout, extending service life to 15 years. Detachable access door and smoke box design makes daily cleaning and maintenance convenient, greatly reducing later maintenance cost.

Easy Installation Reliable Global Service

Integrated skid-mounted design with factory integral assembly. Only simple on-site connection of water, electricity and fuel is needed, supporting fast installation and commissioning. We provide remote installation guidance and complete after-sales support, offering one-stop heating project solutions for global clients.

Henan Hengnuo Boiler Co., Ltd. was established in 2018. It is a B-class boiler manufacturing license and a first-class and second-class pressure vessel manufacturing enterprise issued by the General Administration of Quality Supervision, Inspection and Quarantine of China. It has rich experience in research and development, production, sales, installation, and undertaking corresponding engineering and technical design. It is a "contract abiding and trustworthy" enterprise in Henan Province. The factory covers an area of over 50000 square meters, with a building area of 10000 square meters. It has 350 sets of main boiler production equipment and nearly 100 high-quality technical talents.
Nowadays, Henan Hengnuo's products such as fuel (gas) steam and hot water boilers, biomass steam and hot water boilers, electric heating steam and hot water boilers, organic heat carrier furnaces, high and medium temperature hot air stoves, vertical and horizontal biomass evaporators, etc. have been exported to more than 30 countries around the world, making outstanding contributions to improving the quality of living environment and enhancing the boiler product industry. Choose Henan Hengnuo Boiler for industrial boilers.

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