Residential Gas Combination Boiler Manufacturing
The standard tankless water heater is developed for standard residential space heating and domestic hot water applications. Available in 22kW, 27kW, and 30kW outputs, the gas boiler offers both Wi-Fi and non-Wi-Fi configurations to suit different market positioning and project requirements.
These wall-hung combi boilers are built on a reliable structural platform with stable combustion performance and simplified layout. Its simple installation and easy maintenance make it ideal for entry-level residential markets and large-scale housing developments. The tankless water heater offers distributors and OEM partners a practical balance between cost control and dependable long-term performance.
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- 22kW Basic Gas Combination Boiler
- Rated heat input: 22kW
- Rated heat output: 20kW
- Minimum heat output: 6.6kW
- Thermal Efficiency: ≥89%
- Hot water flow (△T=25℃): 10L/min
- Dimensions (H × W × D): 740 × 440 × 310 mm
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- 27kW Basic Gas Combination Boiler
- Rated heat input: 27kW
- Rated heat output: 24kW
- Minimum heat output: 8.1kW
- Thermal Efficiency: ≥89%
- Hot water flow (△T=25℃): 12L/min
- Dimensions (H × W × D): 740 × 440 × 310 mm
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- 30kW Basic Gas Combination Boiler
- Rated heat input: 30kW
- Rated heat output: 27.5kW
- Minimum heat output: 9.8kW
- Thermal Efficiency: ≥89%
- Hot water flow (△T=25℃): 16L/min
- Dimensions (H × W × D): 740 × 440 × 310 mm
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- 22kW Gas Combination Boiler (Wi-Fi)
- Rated heat input: 22kW
- Rated heat output: 20kW
- Minimum heat output: 6.6kW
- Thermal Efficiency: ≥89%
- Hot water flow (△T=25℃): 11.8L/min
- Dimensions (H × W × D): 740 × 440 × 310 mm
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- 27kW Gas Combination Boiler (Wi-Fi)
- Rated heat input: 27kW
- Rated heat output: 24kW
- Minimum heat output: 8.1kW
- Thermal Efficiency: ≥89%
- Hot water flow (△T=25℃): 14L/min
- Dimensions (H × W × D): 740 × 440 × 310 mm
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- 30kW Gas Combination Boiler (Wi-Fi)
- Rated heat input: 30kW
- Rated heat output: 27.5kW
- Minimum heat output: 9.8kW
- Thermal Efficiency: ≥89%
- Hot water flow (△T=25℃): 16L/min
- Dimensions (H × W × D): 740 × 440 × 310 mm

