How should a 3.5 million kcal gas hot water boiler be selected?
A 3.5 million kcal gas hot water boiler is approximately equal to 4.07MW. In practical selection, the boiler capacity is usually matched with the heating load, water supply temperature, return water temperature, system pressure, altitude, fuel type and emission requirements.
For this inquiry, ZOZEN can transfer the project information to the sales email for follow-up. Customers may send technical requirements to info@zozen.com, or contact ZOZEN by WhatsApp +86 18861589035 and WeChat +86 13506150756. If the project is for the Chinese market, customers can also call 400-161-0099 or 13861509153.
A 3.5 million kcal gas hot water boiler can be configured as a gas-fired hot water boiler system with burner, control cabinet, circulating pump, water treatment device, economizer or condensing heat recovery unit, valves and instruments. If the customer needs shorter on-site installation time, a skid-mounted or integrated system can also be evaluated according to the site conditions.
Before quotation, ZOZEN usually confirms the heating medium, operating pressure, gas composition, expected delivery date, installation country and whether local certification documents are required. These details help provide a more accurate technical proposal and equipment list.
-
WNS series gas-fired (oil-fired) skid-mounted hot water boilerLive Chat0.7-2.8 MW1.0 MPa
-
DZW series biomass-fired reciprocating grate steam boilerLive Chat15-35 t/h1.25 MPa / 1.6 MPa / 2.5 MPa
-
DZL series biomass-fired steam boilerLive Chat2-10 t/h1-2.5 MPa
-
Email us
-
WhatsApp: +86 18861589035
WeChat: +86 13506150756
Live Chat

-
A 10 TPH Boiler Delivered in 40 Days: The “ZOZEN Speed” Behind Yanjing Beer’s Letter of AppreciationRecently, Wuxi Zozen Boilers Co., Ltd. received a letter of appreciation from Yanjing Beer (Guilin Lijiang) Co., Ltd. In the letter, the customer expressed appreciation for ZOZEN Boiler’s responsiveness, coordination, and delivery support throughout the project. The customer also noted that ZOZEN helped resolve issues related to scheme adjustments, equipment access, and the delivery schedule. Letter of appreciation from Yanjing Beer (Guilin Lijiang) Co., Ltd. The letter was related to ...04 Aug 2026 -
In industrial boiler manufacturing, the condition of materials, the organization of work areas, coordination between production processes, and safety requirements all affect the stability of manufacturing operations. As a boiler manufacturer, ZOZEN Boiler continues to promote 6S management by integrating Seiri, Seiton, Seiso, Seiketsu, Shitsuke, and Safety into daily workshop operations. The company is extending 6S management from workplace improvement to material control, process coordination, ...28 Jul 2026 -
In recent years, Wuxi ZOZEN Boilers Co., Ltd. (“ZOZEN Boiler”) has continued to develop the domestic and overseas industrial boiler markets. With stable and reliable product quality, comprehensive technical services, and sound brand reputation, its products have been widely applied in various industries, including food, chemical, textile, paper, pharmaceutical, and new energy industries, and have been exported to multiple countries and regions worldwide. As the brand influence of ZO...27 Jul 2026











