

6-20L LPG/NG Flue-Exhaust Tankless Gas Water Heater Configuration
6-20l lpg ng tankless water heater supplier is a B2B sourcing term for this LPG/NG model. Confirm fuel type, capacity and destination-market requirements before ordering.
Tankless gas water heater for LPG and NG 6L-20L models for OEM factory supply.
Place of Origin: China
Capacity: 6L-20L
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
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
6-20L LPG/NG tankless series: quotation-ready configuration
This page is for buyers requesting a factory quotation for a 6-20L tankless flue-exhaust range. A useful quotation depends on a defined capacity and configuration, not only on a request for a generic factory price.
Information required for an accurate quotation
- Selected capacity or required capacity mix from 6L through 20L.
- LPG or natural-gas configuration and destination-market requirement.
- Expected water condition and intended flue installation.
- Selected panel, display, valve, heat-exchanger and packaging options.
- Quantity, destination port, manual/label language and required documentation.
Capacity-price planning
The listed series covers 12KW to 40KW rated heat-load options. Product dimensions and packing quantities change by capacity, so the final price should be based on the selected configuration, MOQ and order quantity.
Factory-quotation FAQ
Why is a capacity required before price confirmation? Capacity affects heat load, product size, packing size and the final technical configuration.
Can an inquiry include both LPG and natural-gas versions? Yes, provided the capacity and fuel requirement are identified for each requested model.
Capacity: 6L-20L
Fuel Type: LP Gas & Natural Gas
Water Pressure: 0.02-0.8MPa
Thermal Efficiency: ≥85%
Heat Exchanger Material: Copper
Ignition Type: Auto Ignition
Power Source: Battery, Gas
Exhaust Way: Flue Exhaust

Features
1. Flue exhaust instant gas water heater;
2. Low water pressure start-up function, big flow rate;
3. White or any color powder coating, SS, glass panel;
4. Fully water-controlled automatic impulse ignition;
5. Flame-out protection;
6. Anti-dry combustion protection;
7. Over-pressure and water drainage anti-freezing protection (optional);
8. Overheating protection;
9. Advanced combustion system with the Winter/summer switch to save energy (optional);
10. 20 minutes auto-off (optional);
11. Colorful LCD temperature display to know water temperature and working status (optional).
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*300*120 | 520*335*180 | 900/2150 |
| 2 | 7L | 14KW | 500*300*155 | 610*355*190 | 680/1640 |
| 3 | 8L | 16KW | 520*320*155 | 610*370*205 | 610/1460 |
| 4 | 10L | 20KW | 590*340*180 | 670*405*230 | 465/1070 |
| 5 | 12L | 24KW | 620*340*180 | 710*405*230 | 430/1010 |
| 6 | 14L | 28KW | 650*395*188 | 720*460*240 | 350/840 |
| 7 | 16L | 32KW | 650*395*188 | 720*460*240 | 350/840 |
| 8 | 20L | 40KW | 700*440*188 | 800*490*240 | 290/710 |
Customised service
Heat Exchanger

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

Knob and Display Options

Gas Water Heater Factory FAQ
Yes. We are a professional gas water heater factory founded in 1997, with experience in OEM and ODM production.
Our MOQ is 50 pieces per model.
Sample preparation usually takes 10 to 20 days, depending on the model and customization requirements.
Yes. OEM orders are welcome. We can support customized branding, packaging, and product specifications.
The standard delivery time is about 30 days after the order is confirmed and the deposit is received.
Our payment term is T/T: 30% deposit in advance and 70% balance before shipment
WhatsApp: +86 158 7604 6823
LPG/NG tankless water heater factory-price inquiry
This 6-20L LPG/NG tankless water heater page is structured for factory-price and OEM sourcing inquiries. To receive a useful quotation, provide the target gas type, capacity mix, quantity, destination market, exhaust configuration, packaging and branding requirements.
Information for a comparable quote
- Application, water-flow demand and preferred capacity
- LPG or natural-gas setup and installation environment
- OEM label, carton, spare-parts and delivery needs
Compare other tankless models, learn about the factory, and request a current quotation.





