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350kw Commercial Gas Boiler for Centralized Heating of School Office Building¹

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Product DescriptionL Series Commercial Floor Standing Fully Premixed High Efficiency Low Nitrogen Condensing Modular BoilerOur modular gas floor-standing boiler delivers scalable, energy-efficient heating for large residential complexes, hotels, hospitals, and industrial facilities. Designed with independent module technology, this cascade systems allow multiple boilers connected in parallel for higher capacity demands,the capacity from 350kw(0.5 ton)to 1400kw (2 ton)SpecificationTechnological Advantages1. High Thermal Efficiency (107%)*The boiler controller optimizes natural gas combustion and fan operation, preventing high-pressure combustion.*Heating speed adjusts dynamically with energy-saving pressure reduction.*It avoids the increased wear and efficiency loss caused by frequent start and stop, saves energy and prolongs the service life. 2. Eco-Friendly Low NOx Emissions*NOx emissions <30mg/kWh 3. Enhanced Safety*Adopting the pre-air and natural gas complete premixing technology, there will be no explosion due to improper air-fuel ratio*Intelligent multiple interlocking control, there will be no mis-ignition command*The furnace is small, even if there is an explosion, it will not cause harm. 4. Quiet Operation (<45dB)*Built-in burner, while the metal fiber surface combustion is micro-flame combustion, significantly reducing the combustion noise, while reducing flue noise.*Using a fully premixed variable frequency low-noise fan, the boiler is silenced inside, and the noise is less than 45 decibels. 5. Easy Maintenance*Only 50 cm of maintenance space is required, and the maintenance time does not exceed 30 minutes, which will not damage the integrity of the boiler.*High reliability, short maintenance time, and can serve as backup for each other when multiple units are heating at the same time, minimizing the heating loss during maintenance. 6. Small Size*The 770KW boiler is only the size of a refrigerator, occupying only 1.3m2, with a compact design, modular combination, and multi-unit linkage control.7. Smart Control*Smart and simple button operation, simple and reliable operation.*Compatible with a variety of communication protocols, it can also connect to the host computer and infinite remote communication equipment.*Run in a graded start mode, automatically control the number of boiler start modules according to the outdoor temperature. 8. Climate CompensationBuilt-in climate compensation function, according to the outdoor temperature collected by the outdoor temperature sensor and the real-time room temperature monitored by the indoor thermostat, it can calculate and automatically adjust the optimal outlet water temperature at any time and send it to the heat dissipation system 9. Long Lifespan (30+ Years)It is made of alloy steel, which is anti-oxidation and has stronger acid and alkali corrosion resistance than copper and lead. It has been specially treated to prevent scale and has a service life of more than 30 years. 10.Low Gas Pressure StartThe gas supply pressure only needs 2Kpa-5Kpa to operate. When the gas pressure is insufficient, the boiler can continue to operate.ParametersModel350kw700kw1050kw1400kwRated Heat InputkW35070010501400Min. Heat InputkW70140200280Rated Heat Output of CH 80/60℃kW34067910201358Rated Condensing Heat output 50/30℃kW367729.410951458.8Exhaust Gas Temperature 80/60°C (Radiator)℃<70℃<70℃<70℃<70℃Exhaust Gas Temperature 50/30℃(Floor heating)℃<45℃<45℃<45℃<45℃Heating Temperature Regulation Range℃20-8020-8020-8020-80Max. Allowable Flowm3/h2040.160.180.2Min. Inlet Water Temperature Rise℃15151515Min. Allowable Flowm3/h8.617.225.834.4Max. Inlet Water Temperature Rise℃35353535Max. Water-side Pressure LossmH200.851.741.691.69Min. Water-side Pressure LossmH200.450.320.320.32Average Gas Consumption for CHm3/h14.629.243.758.4CO Emissionsppm40404040NOX Emissionsmg/Nm3≤25≤25≤25≤25NOX Class5555Product Dimension (LxWxH)mm1550*680*13001781*1020*16002098*1020*16002410*1020*1600Heating Aream23500-90007000-1750010000-2500014000-35000Company ProfileAbout UsWith 28000+ m2 Factory Area, we are a leading high-tech enterprise specializing in the production of advanced heating equipment, including gas / electric heating systems, modular boilers, and intelligent control systems. With state-of-the-art automated production lines and laboratory, we provide innovative, efficient, and sustainable heating solutions tailored to meet the highest industry standards. Our expertise covers vector variable frequency low nitrogen heating systems, ASC (Adaptive System Control) technology and fully premixed condensing boilers, making us a trusted partner for smart heating solutions around the world.Advanced Production & Testing: Strict Quality Control: Proprietary Technologies: Equipped with the most advanced automatic production lines and testing equipment, ensuring top-tier product quality and reliability.With an annual production capacity of 200,000 units gas / electric heating boilers and 3,000 units fully premixed condensing low-nitrogen commercial boilers.To ensure uncompromising quality, we operate a dedicated incoming inspection lab and aging simulation lab.Every component undergoes years of accelerated durability testing under extreme conditions – only those that meet our stringent standards are approved for production.Possessing a number of invention patents, mastering the core technologies of vector variable frequency low nitrogen, Adaptive System Control function, and full premixed condensing boiler.Participated in the major drafting and compilation of multiple national standards and industry standardsStrong R&D CapabilitiesOur product lineup includes:-Single circuit gas boilers for heating-only applications-Dual circuit gas boilers for combined heating and domestic hot water-Compact mini boilers, ideal for space-saving installations-Cascade systems with multiple boilers connected in parallel for higher capacity demands-High power wall mounted gas boiler up to 150kw for villa and commercial buildings-Floor standing condensing gas / steam boiler for industrial or commercial use, such as schools, office buildings, shopping malls, etc.-Segmented combustion and Modulated combustion technology for enhanced energy efficiency-The self-developed PCB makes the product more flexible to use and is convenient for installation and maintenanceMore ProductsNon-Condensing Gas BoilerCondensing Gas BoilerFloor Standing Gas/Steam Boiler13 kw - 50 kw24 kw - 150 kw350 kw - 1400 kwGas Water HeaterElectric BoilerChimney for Gas BoilerPackaging & ShippingFoam Anti-collisionContainer LoadingWarehouseFAQQ: What's the lead time for orders?A: It will take 30–45 days. Q: What's the warranty and after sales service?A: We provide 1 year warranty,and our engineers can provide online guidance .Q: What types of boilers do you offer?A: We specialize in a wide range of heating equipment, including gas boilers, electric boilers, condensing boilers, combi boilers, and modular boilers. Our products are designed for both residential and commercial use, ensuring high efficiency and reliability. Q: What is the lifespan of your boilers?A: Our boilers are built to last, with an average lifespan of 15-20 years when properly maintained. We use high-quality materials and simulate real environment aging test to ensure durability and long-term performance. Q: How can I request a quote?You can easily request a quote by email, WeChat or WhatsApp. Provide your requirements, and our team will prepare a customized quotation for you.

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