6-20L CKD Gas Water Heater LED Display Module for Gas Water Heater Replacement
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7-20L Low Water-Pressure Forced-Exhaust Gas Water Heater
7-20l low water pressure gas water heater for home use 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 low-water-pressure forced exhaust gas water heater for markets where incoming water pressure can vary. LPG and natural gas configurations, LCD options, copper heat exchanger options, and OEM/ODM private-label support are available for B2B orders.
Buyer fit: Use the inquiry to specify the minimum starting water pressure, target flow rate, gas type, installation environment, and destination country so the correct valve and ignition configuration can be confirmed.
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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Low-water-pressure selection for the 7-20L forced-exhaust series
This page is for applications where the incoming water condition must be evaluated before selecting a gas water heater. The listed series states an operating water-pressure range of 0.03-1.0MPa and a low-water-pressure start-up function. Final suitability must be confirmed against the actual installation, flow demand, pipework and selected capacity.
What to confirm before choosing a low-water-pressure configuration
- Measured incoming water pressure at the intended installation, not only the nominal local supply.
- Required capacity and number of simultaneous outlets.
- Pipe size, inlet filter condition, valves and water-quality conditions.
- Required LPG or natural-gas configuration and local gas pressure.
- Forced-exhaust route, electrical connection and service access.
- Whether a zero-water-pressure valve option is required for the selected order.
Why pressure must be assessed with the whole system
Start-up and flow behaviour depend on the actual installation as well as the selected heater configuration. Water pressure, pipework, filters, valves, incoming-water conditions and capacity selection should be reviewed together before sample approval or bulk production.
Low-water-pressure series FAQ
Does 0.03MPa guarantee the same result in every building? No. The listed pressure range is a product specification; final performance must be checked against the full installation and selected configuration.
What information is needed for quotation? Target capacity, gas type, measured water condition, installation arrangement, exhaust route, packaging and destination market.
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*140 | 730*510*220 | 341/829 |
| 3 | 8L | 16KW | 570*380*140 | 730*510*220 | 341/829 |
| 4 | 10L | 20KW | 570*380*140 | 730*510*220 | 341/829 |
| 5 | 12L | 24KW | 570*380*140 | 730*510*220 | 341/829 |
| 6 | 14L | 28KW | 570*380*140 | 730*510*220 | 341/829 |
| 7 | 16L | 32KW | 570*380*160 | 730*510*240 | 340/825 |
| 7 | 20L | 38KW | 570*380*160 | 730*510*240 | 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
WhatsApp: +86 158 7604 6823
Designed for variable water pressure applications
Low water pressure is a common buyer concern in upper-floor apartments, older buildings, rural supply networks, and some export markets. A suitable configuration must be confirmed against the actual inlet pressure, desired flow, gas supply, and temperature rise; the phrase “low pressure” should not replace a real project specification.
What to include in an RFQ
- Measured minimum and normal inlet water pressure
- Required hot-water flow and temperature rise
- LPG or natural gas type and local gas pressure
- Flue or forced-exhaust installation conditions
- Required display, panel, logo, packaging, and spare parts
OEM service for distributors and projects
We can review the application, recommend a suitable capacity range, prepare a sample configuration, and confirm the production and shipping plan. Final installation must be checked by a qualified local installer and follow destination-country requirements.
Ask for a low-pressure model recommendation: info@kechangwaterheater.com | WhatsApp +86 158 7604 6823
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