At Gastek, we engineer intelligent hot water and heating systems tailored to global environments and user demands. With **13+ years of ISO 9001-certified expertise**, our CE/ERP-compliant products deliver unmatched adaptability for residential applications.
Our **instant tankless gas water heaters** are engineered for real-world challenges:
✅ **Environment-Adaptive**: Optimized for unstable power supply or 110V/220V different power supply voltage, low water pressure (0.01-1.0 MPa), high altitude (up to 3,000m), and gas types (natural gas/LPG).
✅ **Demand-Driven Configuration**: Customize outputs (5-24L/min) based on simultaneous usage points (showers, sinks, etc.) and venting constraints.
✅ **Comfort pursuit**: Big hot water outputs up to 24L/min and constant temperature stability achieved.
Introducing the **Full Premixed Condensing Boiler** – redefining energy intelligence:
✅**108% Thermal Efficiency** – **20% gas savings** vs. conventional models.
✅**Extreme Environment Ready**: Stable combustion under sandstorms and high altitudes.
✅**4kW Low-Load Mode**: Silent summer operation with precise 35-60°C output, eliminating overheating waste.
*Ideal for luxury villas & eco-conscious hotels.*
Our **corrosion-resistant electric boilers** innovate safety and flexibility:
🔌 **Water-Electricity Separation**: this technology eliminates leakage risks.
♨️ **98% Efficiency**: Pair with buffer tanks or solar systems for hybrid radiant floor heating.
🌍 **Multi-Scheme Compatibility**: Supports underfloor loops, fan coils, or domestic hot water storage.
Powered by a resilient, globally-integrated supply chain network to ensure seamless operations.
Rigorous end-to-end quality control systems certified to ISO9001 standard, from raw materials to final delivery.
Cutting-edge R&D capabilities driving continuous product innovation and technological advancement.
A highly skilled and dedicated team supported by comprehensive employee development programs.
Customized OEM/ODM solutions tailored to your technical specifications and market requirements.
Multilingual support ensuring responsive communication and hassle-free project execution.
At GASTEK, we engineer more than products - we build enduring partnerships. Through operational transparency and shared value creation, we empower global clients to achieve sustainable competitive advantages in dynamic markets.
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This double circuits heat exchanger is made of pure oxygen-free copper, using expanded tube and full brazing processes which can effectively reduce the heat transfer heat resistance, and using enhanced heat transfer fins which has high thermal efficiency. The surface is coated with high temperature refractory paint and solidified. There is no any pollution when production. The product life can reach for more than ten years e can customize this type of series products from 16 kW to 40 kW according to customer needs.
This one circuit heat exchanger is made of pure oxygen-free copper using expanded tube and full brazing processes which can effectively reduce the heat transfer heat resistance, and using enhanced heat transfer fins which has high thermal efficiency. The surface is coated with high temperature refractory paint and solidified. There is no any pollution when production. The product life can reach for more than ten years. There are SUS304 sanitary stainless steel mufflers inside of the tube, which is environmental-friendly and can avoid noise at high water temperature. We can customize this type of series products from 16 kw to 40 kw according to customer needs.
This plate heat exchanger is made of SUS304 sanitary stainless steel with full vacuum brazing process, with high heat conversion efficiency. The plate sheet is fashioned with tangentially corrugates to effectively reduce water flow resistance and avoid internal blockage. The surface is specially polished to have a beautiful appearance. The production process is environmentally friendly e can customize this type of series products from 16 kW to 40 kW according to customer needs.
