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.
This typical flue-type gas water heater can supply instant, endless, on-demand hot water. It's wall-mounted, of compact size, and easy to install in an open area. Flameout protection, Ignition failure protection, anti-freezing protection, overheating protection, etc. can ensure the family's safety. Buy Portable Home Appliance China Factory OEM ODM Flue Type Wall Mounted Tankless Instant Gas Hot Water Heater for Shower
This typical flue-type gas water heater can supply instant, endless, on-demand hot water. It's wall-mounted, of compact size, and easy to install in an open area. Flameout protection, Ignition failure protection, anti-freezing protection, overheating protection, etc. can ensure the family's safety. Buy Chinese Factory OEM ODM Flue Type Wall Mounted 6L 10L 12L 16L 20L LPG Tankless Instant Gas Geyser for Shower
This typical flue-type gas water heater can supply instant, endless, on-demand hot water. It's wall-mounted, of compact size, and easy to install in an open area. Flameout protection, Ignition failure protection, anti-freezing protection, overheating protection, etc. can ensure the family's safety. Flue Type Wall Mounted 6L 10L 12L 16L 20L LPG Tankless Instant Gas Boiler for Shower Bathing
This typical flue-type gas water heater can supply instant, endless, on-demand hot water. It's wall-mounted, of compact size, and easy to install in an open area. Flameout protection, Ignition failure protection, anti-freezing protection, overheating protection, etc. can ensure the family's safety. Home Appliance China OEM Factory Flue Type Wall Mounted 6L 10L 12L 16L 20L LPG Instant Gas Water Heater for Shower
This typical flue-type gas water heater can supply instant, endless, on-demand hot water. It's wall-mounted, of compact size, and easy to install in an open area. Flameout protection, Ignition failure protection, anti-freezing protection, overheating protection, etc. can ensure the family's safety. China Supplier Wholesale Hot Selling portable Home Appliance Flue Type Shower LPG Gas Geyser Install in Bathroom
This typical flue-type gas water heater can supply instant, endless, on-demand hot water. It's wall-mounted, of compact size, and easy to install in an open area. Flameout protection, Ignition failure protection, anti-freezing protection, overheating protection, etc. can ensure the family's safety. China Supplier Wholesale Home Appliance Flue Type Shower LPG 6L 10L 12L 16L 20L Gas Geyser Install in Bathroom