

8-12L Forced-Exhaust Knob Gas Water Heater
8-12l forced exhaust knob gas water heater replacement supports gas water heater replacement, maintenance and OEM service-stock planning. Confirm the original part, dimensions, connectors and installation conditions before ordering. 8-12L forced exhaust knob gas water heater for LPG/NG residential, rental, and export programs. The forced-exhaust configuration should be matched to the destination installation, power supply, water pressure, gas pressure, and required capacity.
Factory quotation: share the country, gas type, target volume, control style, panel, packaging, and sample requirements.
Place of Origin: China
Minimum Order Quantity: 50 pcs
Payment Terms: L/C, T/T, Western Union
Supply Ability: 30000 pcs per month
Port: Zhongshan, Guangzhou, Shenzhen
Delivery time: By T/T, within 30 days after receiving 30% deposit
8-12L Forced-Exhaust Knob Gas Water Heater for Higher-Flow Homes
This 8L-12L forced-exhaust knob-control series is for household buyers and distributors selecting a larger compact capacity range. The listing states LPG or natural gas, 0.03-1.0 MPa water pressure, copper heat exchanger, automatic ignition and AC plug plus gas power.
Knob-control selection
- Choose the 8L, 10L or 12L capacity needed for the intended use.
- Confirm LPG/NG version and local gas requirements.
- Specify required knob, panel and presentation details.
- Confirm forced-exhaust routing and qualified installation requirements.
Use this page for a higher-capacity knob-control home range, distinct from 6-8L replacement matching or balanced-flue models.
Fuel Type: LP Gas & Natural Gas
Water Pressure: 0.03-1.0MPa
Thermal Efficiency: ≥87%
Heat Exchanger Material: Copper
Ignition Type: Auto Ignition
Power Source: AC plug, Gas
Exhaust Way: Forced Exhaust

Features
1.Forced exhaust instant gas water heater;
2.Low water pressure startup function,big flow rate;
3.white front panel and other color panel available;
4.Fully Water control automatic impulse ignition;
5.Advanced combustion system with the Winter/summer switch to save energy (optional);
6.Over-pressure and water drainage anti-freezing protection;
7.Flame-out protection;
8.Anti-dry combustion protection;
9.Over heating protection;
10.Timer 20 minute built-in shutdown protection (optional);
11.Colorful LCD temperature display to know water temperature and working status.
Product specification
Product loading quantity
Series | Hot Water Supply L/Min △t 25°C | Rated Heat Load | Product Size(mm) | Packing Size(mm) | Loading Quantity 20GP/40HQ(PCS) |
| 1 | 6L | 12KW | 440*290*135 | 525*340*185 | 850/2060 |
| 2 | 7L | 14KW | 520*330*185 | 605*400*255 | 442/1080 |
| 3 | 8L | 16KW | 520*330*185 | 705*420*255 | 380/910 |
| 4 | 10L | 20KW | 620*330*185 | 670*405*230 | 460/860 |
| 5 | 12L | 24KW | 620*330*185 | 670*405*230 | 460/860 |
| 6 | 14L | 28KW | 620*330*185 | 670*405*230 | 460/860 |
Customised service
Heat Exchanger

Valve
Zero-water-pressure valve or Normal water-pressure valve.

Knob and Display Options

Instant Gas Water Heater FAQs
1. Can an instant gas water heater be installed in different locations?
Yes. Its compact, wall-mounted design makes it suitable for a wide range of applications, including residential homes, hotels, apartments, rental properties, and garages. Depending on the model and installation conditions, it can supply hot water to multiple outlets.
2. How do you maintain an instant gas water heater?
Routine maintenance is simple. Clean the water inlet filter regularly, check the ventilation system, and inspect the gas and water connections according to local regulations. In areas with hard water, periodic heat-exchanger descaling may also be recommended.
Regular maintenance helps maintain stable heating performance, extend service life, and reduce service issues.
3. Can a tankless gas water heater supply multiple outlets at the same time?
Yes, selected models can supply hot water to multiple outlets simultaneously. Actual performance depends on the heater’s capacity, water flow, gas pressure, inlet water temperature, and installation conditions.
For high-demand applications such as hotels, apartments, and commercial buildings, we recommend selecting the model according to the required flow rate and number of outlets.
4. Can the gas water heater be customized with my brand?
Yes. We provide OEM and ODM services for importers, wholesalers, distributors, and established brands. Customization options may include:
- Brand logo and product labeling
- Product color and appearance
- Packaging and user manuals
- Gas type and market-specific configuration
- Product specifications and selected functions
Please contact us with your target market and customization requirements.
5. Does the gas water heater support natural gas and LPG?
Some models support natural gas (NG), while others are designed for liquefied petroleum gas (LPG). Gas compatibility depends on the specific model, burner configuration, gas pressure, and local market requirements.
Please confirm the required gas type before placing an order so we can recommend a suitable model.
WhatsApp: +86 158 7604 6823
Forced exhaust knob gas water heater for export programs
Forced-exhaust buyers need to confirm both the electrical supply and the flue layout. The knob control can simplify the user interface, but the product still needs a clear plan for ignition, fan operation, water flow, and after-sales troubleshooting.
What to check before order confirmation
- Destination voltage and plug requirements
- LPG or natural gas pressure and connector standard
- Forced-exhaust route and service access
- Water pressure and expected flow range
- Sample testing, labels, manuals, and spare parts
Discuss the forced-exhaust configuration: info@kechangwaterheater.com | WhatsApp +86 158 7604 6823





