6-20L Flue Type Gas Water Heater, front product view, gallery image 1

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6-20L LPG/NG Tankless Gas Water Heater, product detail view, gallery image 7

6-20L Flue Exhaust Tankless Gas Water Heater - product detail view - Image 6

6-20L LPG/NG Tankless Gas Water Heater, product detail view, gallery image 2

6-20L LPG/NG Tankless Gas Water Heater, product detail view, gallery image 4

6-20L LPG/NG Tankless Gas Water Heater, product detail view, gallery image 3

6-20L Flue Exhaust Tankless Gas Water Heater - product detail view - Image 3

6-14L LPG Tankless Gas Water Heater, product detail view, gallery image 8

6-20L Flue Exhaust Tankless Gas Water Heater - product detail view - Image 2

6-20L Flue Exhaust Tankless Gas Water Heater - product detail view - Image 4

6-12L Instant LPG/NG Gas Water Heater, product detail view, gallery image 6

6-20L LPG/NG Flue-Exhaust Gas Water Heater Capacity Series

Name: 6-20L Flue Type Gas Water Heater for Residential Hot Water Supply
Brand: KECHANG

Place of Origin: China

Minimum Order Quantity: 100 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

Get Best Price

Gas water heater 6L-20L flue type model for LPG and NG use designed for home and OEM supply.

Flue Type Gas Water Heater Product Details

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

6-20L LPG/NG Flue-Exhaust Gas Water Heater Capacity Series - product detail image 1 6-20L Propane/LPG Tankless Gas Water Heater - product detail view - Image 7

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

6-20L LPG/NG Flue-Exhaust Gas Water Heater Capacity Series - product detail image 2

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	440300120	520335180	900/2150
2	7L	14KW	500300155	610355190	680/1640
3	8L	16KW	520320155	610370205	610/1460
4	10L	20KW	590340180	670405230	465/1070
5	12L	24KW	620340180	710405230	430/1010
6	14L	28KW	650395188	720460240	350/840
7	16L	32KW	650395188	720460240	350/840
8	20L	40KW	700440188	800490240	290/710

Package details:

Option 1:

flue type gas water heater package

Option 2:

flue type gas water heater package

More details for different gas water heater packages: https://kechangwaterheater.com/gas-water-heater-packaging-container-loading/

Customised service

Heat Exchanger

Tin-coated copper or Oxygen-free copper optional.

Heat exchanger weight: 0.8～4.0 Kg

Tin-coated copper gas water heater heat exchanger Oxygen-free copper gas water heater heat exchanger

More details for different gas water heater heat exchangers: https://kechangwaterheater.com/gas-water-heater-heat-exchanger-material-comparison/

Valve

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

6-20L LPG/NG Flue-Exhaust Gas Water Heater Capacity Series - product detail image 5

Knob and Display Options

6-20L LPG/NG Flue-Exhaust Gas Water Heater Capacity Series - product detail image 6

Gas Water Heater Factory FAQ

Q1: Are you a gas water heater factory?
Yes. We are a professional gas water heater factory founded in 1997, with experience in OEM and ODM production.

Q2: What is your MOQ?
Our MOQ is 50 pieces per model.

Q3: How long does it take to prepare a sample?
Sample preparation usually takes 10 to 20 days, depending on the model and customization requirements.

Q4: Do you accept OEM orders?
Yes. OEM orders are welcome. We can support customized branding, packaging, and product specifications.

Q5: What is your delivery time?
The standard delivery time is about 30 days after the order is confirmed and the deposit is received.

Q6: What are your payment terms?
Our payment term is T/T: 30% deposit in advance and 70% balance before shipment

.Shipping Ports: Zhongshan, Guangzhou, Shenzhen

For more questions about gas water heater OEM production, MOQ, samples, or delivery, please contact us.
WhatsApp: +86 158 7604 6823

6-20L flue-type model selection

A wide capacity range should be divided by real use case. A compact household installation and a higher-demand project may need different capacity, gas, flow, exhaust, and service assumptions.