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Feature and benefits:

1. Variable combustion technology, AI constant water temperature system
2. Intelligent subsection combustion, AI memory system
3. Wide-range water temperature adjustment from 35℃~65℃
4. Low start-up water pressure
5. Six high-effective and energy–saving combustion technologies with highest heat efficiency reaching to 90%
6. Ultra big VFD water temperature dynamic display
7. Multiple safety system and automatic error detecting code


1. All instantaneous gas water heaters are with CE certificate.
2. Balance type gas water heater has AI constant temperature engine.
3. DC electrodeless frequency conversion combustion technology.
4. As a China water heater manufacturer, our company offers precise magnetic levitation type gas proportional valve.
5. Z-type combustor with stable flame core.
6. Forced combustion technology with full seal.
7. Water flow sensor with high precision.
8. Oxygen-free copper water bank with high efficiency and environment friendly.


Type JSG21-10K JSG23-12K
Rated heat load(kW) 21 23
Rated capability of hot water supply (△T=25℃) 10kg/min 12kg/min
Rated gas pressure Liquefied petroleum gas 2800 pa
Natural gas 2000 pa
Manufactured gas 1000 pa
Control method By outlet valve
Exhaust method Forced type
Applicable pressure (Mpa) 0.02~1.0
Gas entrance G1/2 or G3/4
Cold water inlet G1/2
Hot water outlet G1/2
Exhaust pipe size(mm) Ф60&Ф100 Ф60&Ф100
Product size(mm) 567x350x124 567x350x124
Package size(mm) 755x435x225 755x435x225
Gross weight/net weight(kg) 15.5/14 15.5/14
Container number 20'/40'/40'HQ 300/600/698 300/600/698