Wide Range Water Quality Tolerance Oil Stain Resistant Casing Wall Mounted Gas Combi Boiler with Coaxial Flue Inner & Outer Tube
Product Summary
Wide Range Water Quality Tolerance Wall Mounted Gas Combi Boiler with Oil Stain Resistant Casing Engineered for reliable performance across varied water conditions, this wall-mounted combi boiler combines a closed pressurized heating circuit with premixed combustion technology. Its electrostatic...
Product Custom Attributes
Wide Range Water Quality Tolerance Combi Boiler
,Oil Stain Resistant Casing Combi Boiler
,Coaxial Flue Inner Outer Tube Combi Boiler
Basic Properties
Trading Properties
Product Description
Engineered for reliable performance across varied water conditions, this wall-mounted combi boiler combines a closed pressurized heating circuit with premixed combustion technology. Its electrostatic-sprayed casing resists oil staining and everyday wear, while the front-access modular layout keeps servicing fast and cost-effective.
| Product type | Wall-mounted Combi Gas Boiler | Place of Origin | China |
|---|---|---|---|
| Heating system type | Closed pressurized circuit | Anti-freeze trigger logic | Circulation + heating startup |
| Hydraulic block material | Brass integrated casting | Pump control logic | Load-linked speed regulation |
| Panel installation form | Built-in integrated panel | Burner Type | Stainless steel burner |
| Auxiliary power supply mode | AC mains powered | Service life cycle test norm | Thermal cycle durability test |
| Cabinet surface process | Electrostatic spraying | Capacity | 12L / 13L / 14L / 16L / 18L / 20L |
| Burner mixing mode | Premixed combustion | DHW Heat Exchanger Material | Stainless steel plate |
| Customization Support | OEM logo & outer carton customization | CO monitor optional support | External CO alarm connectable |
| Certification | CE | Flame sensing principle | Ionization current detection |
| Overseas power grid adaption | Multi-standard AC power compatible | Condensate processing option | External neutralizer match |
| High humidity environment adaption | Anti-corrosion optimized for humid area | Flue terminal classification | Balanced flue terminal |
- Optimized air-gas ratio control maintains stable combustion under variable working conditions.
- Built-in anti-blocking pump program activates regularly to prevent long-term pump stagnation failure.
- Outdoor temperature compensation enables automatic heating adjustment across different weather conditions.
- Independent domestic hot water sensor ensures fast response when the hot water tap is opened.
- Dual safety solenoid valves cut off gas supply rapidly once abnormal combustion is detected.
The modular internal layout simplifies maintenance and spare parts replacement. Core components such as the pump, heat exchanger, and burner can be accessed from the front side without removing the whole machine. Service technicians can quickly replace damaged spare parts, and this front-access design reduces maintenance time and service cost for end users.
The compact balanced flue system of this wall combi boiler makes installation feasible even for houses without a traditional chimney. The coaxial double-layer flue pipe contains an inner exhaust pipe and an outer air intake pipe. Fresh air for combustion is drawn through the outer annular channel, while waste flue gas is discharged via the inner tube. Air intake and exhaust are fully separated, so there is no risk of mixing fresh air and flue gas inside the pipe.
The coaxial flue can extend horizontally for a certain length through an exterior wall, which is ideal for apartments and townhouses without a brick chimney. Multiple elbow accessories can be selected to adjust flue direction to adapt to different wall structures. The flue pipe is made of high temperature resistant aluminum alloy, offering anti-corrosion performance and high strength. All flue joints have rubber sealing rings to prevent flue gas leakage.
Installers must follow the official maximum horizontal length and elbow quantity specification to guarantee normal combustion performance.
A1: Filter installation on the hot water outlet is acceptable with proper flow consideration.
A2: It has a manual seasonal switch; an automatic switch version is optional.
A3: The combustion chamber adopts an easy-open structure for regular inspection and checking.
A4: Hard water will gradually form scale; a water softener is recommended for hard water areas.
A5: Flue blockage detection will reduce power and send an alarm prompt on the display.
A6: The casing is splash-proof, not fully waterproof for direct rain exposure.
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