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7-20L Low Water Pressure Gas Water Heater, product detail view, gallery image 4
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7-20L Low Water Pressure Gas Water Heater, product detail view, gallery image 4 10-20L Forced Exhaust LCD Gas Water Heater, product detail view, gallery image 4 7-20L Low Water Pressure Gas Water Heater, product detail view, gallery image 5 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 8 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 9

7-20L Digital Constant-Temperature Forced Exhaust Gas Water Heater

7-20l constant temperature gas water heater lcd supports gas water heater replacement, maintenance and OEM service-stock planning. Confirm the original part, dimensions, connectors and installation conditions before ordering. 7-20L forced exhaust constant-temperature gas water heater for distributors, project contractors, and private-label brands. Available for LPG and natural gas programs with LCD temperature control, copper heat exchanger options, OEM/ODM branding, and export packaging support.

Buyer fit: Choose this range when end users need steadier shower temperature across changing water flow. Send your target gas type, country, capacity mix, logo, carton, and annual volume to receive a factory quotation.

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

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Digital constant-temperature forced-exhaust series

This 7-20L series combines a forced-exhaust configuration, AC power supply, LCD temperature display and digital constant-temperature control. It is intended for buyers who need a configured product range rather than a basic mechanical-knob heater. The final model should be confirmed by required hot-water supply, gas type, exhaust installation and destination-market requirements.

Control and exhaust configuration

  • Digital constant-temperature control with LCD temperature feedback.
  • Forced-exhaust configuration for the specified installation design.
  • Automatic water-controlled impulse ignition.
  • Gas-pressure stabilizer and proportioner-valve control stated for this series.
  • Self-diagnosing malfunction function stated for this series.
  • Specified operating water-pressure range: 0.03-1.0MPa.

Capacity and chassis reference

Hot-water supplyRated heat loadProduct size (mm)Packing size (mm)
7L14KW570 × 380 × 140730 × 510 × 220
8L16KW570 × 380 × 140730 × 510 × 220
10L20KW570 × 380 × 140730 × 510 × 220
12L24KW570 × 380 × 140730 × 510 × 220
14L28KW570 × 380 × 140730 × 510 × 220
16L32KW570 × 380 × 160730 × 510 × 240
20L38KW570 × 380 × 160730 × 510 × 240

Constant-temperature series selection

Confirm the target capacity and number of outlets, LPG or natural-gas requirement, water-pressure conditions, exhaust route, panel finish, display option and destination-market documentation before finalizing a configuration. Heat-exchanger options stated for the series are SS plus copper or oxygen-free copper, with the final selection confirmed for the order.

Constant-temperature product FAQ

What is the difference between this series and a basic mechanical-knob heater? This series is specified with digital constant-temperature control, LCD feedback and forced exhaust; the exact final configuration must be confirmed before production.

Can the same series support different capacities? The listed reference covers 7L through 20L. Capacity, heat load, chassis depth and packing dimensions vary by selected model.

What should an OEM buyer specify? Target capacity, gas type, exhaust requirement, panel/display preference, packaging, destination market and required 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: Forced Exhaust

 

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

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
570*380*140
730*510*220
341/829
2
7L
14KW
570*380*140730*510*220341/829
3
8L
16KW
570*380*140730*510*220341/829
4
10L
20KW
570*380*140730*510*220341/829
5
12L
24KW
570*380*140
730*510*220
341/829
6
14L
28KW
570*380*140730*510*220341/829
7
16L
32KW
570*380*160730*510*240340/825
7
20L
38KW
570*380*160730*510*240340/825

 

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

When to choose a constant-temperature gas water heater

This series is suitable for residential projects, apartment developments, hospitality supply, and distributors who need a more consistent hot-water experience than a basic mechanical-knob model. LCD temperature feedback helps users understand the set point and operating status.

Questions to confirm before ordering

  • Is the destination market using LPG or natural gas, and what gas pressure is required?
  • Do the project bathrooms require one outlet or several simultaneous outlets?
  • Should the unit use a knob, LCD display, private-label panel, or custom carton?
  • What local venting, electrical, and installer requirements must the factory prepare for?

OEM purchasing and quotation

For a useful quote, share the destination country, gas type, target capacity, exhaust configuration, estimated quantity, packaging, and compliance documentation required. We can then confirm the suitable configuration, sample plan, lead time, and spare-parts list.

Request a factory quotation: info@kechangwaterheater.com | WhatsApp +86 158 7604 6823