7-20L Balanced Exhaust Gas Water Heater, product detail view, gallery image 3

❮

❯

7-20L Balanced Exhaust LCD Gas Water Heater, front product view, gallery image 1

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 5

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

6-20L Balanced Exhaust Gas Water Heater Exhaust Pipe, exhaust pipe or chimney, gallery image 1

7-20L Balanced Exhaust Constant Temperature Heater for Indoor Balanced-Flue Installations

Name: 7-20L Balanced Exhaust Constant Temperature Heater for Indoor Balanced-Flue Installations
Brand: KECHANG

7-20l balanced exhaust heater for indoor installation is a B2B option for gas water heater installation, OEM/ODM sourcing and export orders. Confirm fuel type, capacity, water pressure, packaging and destination-market requirements before ordering. 7-20L balanced exhaust constant-temperature gas water heater for importers and project buyers who need a more controlled indoor hot-water experience. LPG/NG configuration, LCD control, capacity, flue route, and destination requirements must be matched before sampling.

Factory review: send the target water pressure, outlets, gas type, voltage, package, and annual volume.

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

Constant-temperature selection for the 7-20L balanced-exhaust series

This page focuses on the combination of digital constant-temperature control and balanced exhaust in a 7-20L series. Buyers should define the required capacity, fuel version, balanced-flue route, LCD-display requirement and installation conditions before confirming a final model.

Constant-temperature control points

Digital constant-temperature control and LCD feedback are stated for this series.
Gas-pressure stabilizer and proportioner-valve control are stated in the product features.
Confirm the selected capacity and expected hot-water demand.
Confirm LPG or natural-gas configuration and the relevant gas pressure.
Review the balanced-exhaust arrangement with the intended installation.
Review water conditions against the stated 0.03-1.0MPa operating range.

Constant-temperature balanced-exhaust FAQ

Does constant-temperature control remove the need for capacity selection? No. Capacity, fuel, water condition and installation arrangement still determine the final product selection.

What should be provided for an OEM enquiry? Capacity, gas type, balanced-flue requirement, display/panel option, destination market, packaging and documentation.

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: Balanced Exhaust

Features

1.Digital constant temperature type with balanced 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 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

LCD 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.

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

Constant-temperature selection for balanced exhaust projects

Constant-temperature performance is influenced by water flow, gas supply, heat-load control, sensors, and the installation conditions. Ask the factory to confirm the intended water-pressure range and temperature-rise test method for the target market.