Finding the right gas water heater is crucial for comfort, safety, and long-term savings. With years of experience designing and manufacturing high-quality gas appliances for the global market, we understand the complexities involved. Zhongshan Jiashitek Home Appliances Co., Ltd. has been a leading OEM manufacturer since 2011. We hold ISO9001 certification and meet stringent international standards, ensuring you receive premium-quality gas water heaters.
Gas Water Heater Advantages
Unlimited Hot Water: Say goodbye to cold showers mid-flush.
Space Saving: Compact units free up valuable installation space.
Energy Saving: Heats water only when needed, reducing energy waste and electricity bills. This makes it more environmentally friendly and energy-efficient than traditional water heaters!
Longer Lifespan: Typically lasts longer than storage water heaters.
Key Parameters
Flow Rate and Required Capacity
Meaning: The amount of hot water a gas water heater can deliver per minute at a specified temperature rise.
How to Choose: Calculate your peak simultaneous hot water demand. Add up the flow rates of all fixtures that might be in use simultaneously (e.g., shower and kitchen sink). Typical Requirements:
1-3 GPM (3.8-11.4 L/min): Single faucet (e.g., kitchen sink, bathroom sink).
4-6 GPM (15-23 L/min): Standard shower enclosure.
7-9+ GPM (26.5-34+ L/min): Multiple fixtures (e.g., shower enclosure + sink), large shower enclosures, bathtubs. Commercial applications require higher capacities.
Temperature Rise Capacity
Meaning: The temperature difference between the cold water inlet temperature and your desired hot water outlet temperature.
How to Choose: Consider your coldest inlet water temperature (winter) and your desired shower temperature (typically 104-108°F / 40-42°C). Higher temperature rises require more powerful equipment. Gastek specializes in providing solutions for challenging environments.
Combustion System
Natural Ventilation: Relies on thermal buoyancy (hot air rises). Gas water heaters offer a simpler design and are generally more cost-effective. Proper ventilation is required.
Forced Air/Forced Ventilation: Uses a fan to remove exhaust air. This offers greater efficiency, improved performance in specific installations, and greater ventilation flexibility. Gastek pioneered ducted natural ventilation technology for constant temperature.
Balanced Flue/Sealed Combustion: Intakes combustion air from the outside and exhausts directly to the outside through concentric ducting. This provides maximum safety and efficiency, regardless of indoor air pressure. Ideal for well-sealed homes.
| Model Type | Typical Flow Rate | Best Suited For | Key Gastek Features |
| Single Point | 1 - 4 GPM (3.8-15 L/min) | Kitchen sinks, bathroom sinks, laundry | Battery/Electric Ignition, Compact Design, Low Pressure Start |
| Multi-Point (Apartment/Small Home) | 4 - 7 GPM (15-26.5 L/min) | Simultaneous shower + sink, small households | Thermostatic/Basic Control, Electric Ignition (110V/220V), Forced/Natural Draft |
| Multi-Point (Family Home) | 7 - 10 GPM (26.5-38 L/min) | Simultaneous showers, bathtub filling | Advanced Thermostatic Control, Forced Draft, High Efficiency, Robust Construction |
| Commercial / Special Application | 10+ GPM (38+ L/min) | Large households, guesthouses, light commercial | High-Durability SS/Copper HX, High ΔT Capability, Robust Safety Systems |