Copper tube thickness in a gas water heater heat exchanger

❮

❯

High-Capacity Forced Exhaust LCD Gas Water Heater, product detail view, gallery image 3

7-12L Forced Exhaust LCD Gas Water Heater, product detail view, gallery image 6

7-12L Forced Exhaust LCD Gas Water Heater, product detail view, gallery image 7

7-12L Forced Exhaust LCD Gas Water Heater, product detail view, gallery image 8

7-12L Forced Exhaust LCD Gas Water Heater, product detail view, gallery image 9

7-20L Copper Heat Exchanger Forced Exhaust LCD Gas Water Heater

Name: 7-20L Copper Heat Exchanger Gas Water Heater for Importers and Distributors
Brand: KECHANG

7-20l copper heat exchanger gas water heater supplier supports gas water heater replacement, maintenance and OEM service-stock planning. Confirm the original part, dimensions, connectors and installation conditions before ordering. 7-20L gas water heater with copper heat exchanger options for OEM and ODM programs. The complete model should be evaluated by heat-exchanger design, capacity, gas type, water quality, water pressure, exhaust, and required service life—not material name alone.

For sampling: share the target model, dimensions, connection requirements, annual demand, and destination market.

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

Get Best Price

7-20L Forced-Exhaust LCD Series: Copper Heat-Exchanger Selection

This 7L-20L forced-exhaust LCD series is for buyers whose RFQ places heat-exchanger material at the center of the configuration review. The current listing states a copper heat exchanger, LPG or natural gas, 0.03-1.0 MPa water pressure, automatic ignition and AC plug plus gas power.

Heat-exchanger RFQ details

Select the required capacity within the listed 7L-20L range.
Confirm the required fuel version and destination-market requirements.
State the requested heat-exchanger option and supporting approval requirements.
Confirm panel, packaging and service-parts requirements for the approved model.

Use this page for an exchanger-material-led sourcing discussion, rather than a panel-finish or generic private-label brief.

Product Details

Capacity: 7L-20L

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

7-20L copper heat exchanger gas water heater

Features

1.Digital constant temperature type with forced exhaust system;

2.Low water pressure startup function,Controllable big water flow;

3.White powder coating panel and other color panel available;

4.Fully Water control automatic impulse ignition;

5.With Intelligently Controlling Partial Burners Combustion by Gas Pressure Stabilizer and Proportioner valve;

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;

12.Self-diagnosing Malfunctions.

Product Specification

7-20L forced exhaust gas water heater 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	570380140	730510220	341/829
2	7L	14KW	570380140	730510220	341/829
3	8L	16KW	570380140	730510220	341/829
4	10L	20KW	570380140	730510220	341/829
5	12L	24KW	570380140	730510220	341/829
6	14L	28KW	570380140	730510220	341/829
7	16L	32KW	570380160	730510240	340/825
7	20L	38KW	570380160	730510240	340/825

Customised service

Heat Exchanger

SS+copper or Oxygen-free copper optional.

Heat exchanger weight: 1～3.5 Kg

Copper heat exchanger for gas water heater

LCD Display Options

LCD display option for gas water heater

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.

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

How to evaluate a copper heat exchanger model

Copper is only one part of heat-exchanger performance. Buyers should compare the actual design, tube layout, dimensions, connection points, burner match, water quality, leak testing, and intended use conditions.