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TGC RJW20SD vs RJW15SD(WH) Comparison
RJW15SD(WH)
TGC RJW15SD(WH) White 16L/min Temperature-modulated Superslim Gas Water Heater
HK$11,107
HK$13,080
Side by side
RJW20SD RJW15SD(WH)
- Hot water supply capacity differs: RJW20SD provides 20 L/min while RJW15SD(WH) provides 16 L/min.
- Thermal efficiency at full load is 89.4% for RJW20SD and 90.8% for RJW15SD(WH).
- Rated heat load is 44.8 kW for RJW20SD and 34.9 kW for RJW15SD(WH).
- Weight differs: RJW20SD weighs 16.5 kg, whereas RJW15SD(WH) weighs 15.5 kg.
- Color options: RJW20SD is available in White / Silver, while RJW15SD(WH) is White.
| 項目 | RJW20SD | RJW15SD(WH) |
| Model | RJW20SD | RJW15SD(WH) |
| Series | Slim Constant Temperature Series | Not specified |
| Color | White / Silver | White |
| Hot Water Supply (25°C Temp. Rise) | 20 L/min | 16 L/min |
| Ultra-slim Design (Depth/Thickness) | 75 mm | |
| Digital Temperature Control | 16 levels from 35°C to 60°C | |
| ECO Mode | ✅ | |
| Fully Automatic Ignition | ✅ | |
| Optional Wired Remote Controls Support | Up to 2 additional | |
| Energy Efficiency Grade | Grade 1 | |
| Place of Manufacture | Japan | |
| Gas Type | Town Gas | |
| Thermal Efficiency (Full Load) | 89.4% | 90.8% |
| Thermal Efficiency (Partial/Half Load) | 93.4% | 93.5% |
| Rated Heat Load | 44.8 kW | 34.9 kW |
| Measured Heat Load | 40.5 kW | 36.8 kW |
| Dimensions (H x W x D) | 584 x 350 x 75 mm | |
| Weight | 16.5 kg | 15.5 kg |
| Gas Consumption (Max - Min) | 161.3 (44.8) – 13.7 (3.8) MJ/hr (kW) | 125.6 (34.9) – 13.7 (3.8) MJ/hr (kW) |
| Minimum Operating Water Pressure | 10 kPa (1.5 psi / p.s.i) | |
| Power Supply | 220V 50Hz AC | |
| Pipe Connection (B.S.P) | Not specified | 3/4" (Gas, Cold Water, Hot Water) |
| Exhaust Method | Forced exhaust balanced design | Power Flue Room-sealed |
| Warranty Period | Permanent warranty (first 3 years including parts) | |
The above information is analyzed and compared by AI, and the content may not be 100% accurate. If you have any questions, please contact our sales staff or the brand for inquiries.