NJW12RM1
TGC NJW12RM1 12L Temperature-modulated Gas Water Heater(White or Silver)
HK$9,072
HK$10,480
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TGC NJW12RM1 vs SIMPA STW11RM Comparison
Side by side
NJW12RM1 STW11RM
- NJW12RM1 offers 15 temperature settings from 35°C to 60°C; STW11RM has a stated temperature range of 35°C to 55°C.
- STW11RM has higher stated thermal efficiency: 93.6% at full load and 97.4% at half load, versus NJW12RM1 at 90.0% and 94.2% respectively.
- NJW12RM1 measures 678 × 380 × 138 mm and weighs 15 kg; STW11RM measures 695 × 380 × 150 mm and has a net weight of 18.0 kg.
- NJW12RM1 requires a minimum operating water pressure of 10 kPa; STW11RM requires 20 kPa.
- NJW12RM1 includes a one-touch ECO mode that reduces water flow; an ECO mode is not specified for STW11RM.
| item | NJW12RM1 | STW11RM |
| Series | Comfort Series | Constant Temperature Series |
| Hot water supply | 12 L/min at a 25°C temperature rise | |
| Gas type | Town Gas | |
| Temperature range | 35°C–60°C | 35°C–55°C |
| Maximum temperature setting | 60°C | 55°C |
| Number of temperature settings | 15 | Not specified |
| Automatic constant-temperature control | ✅ | |
| Automatic ignition | ✅ | |
| One-touch ECO water-flow reduction | ✅ | ❌ Not specified |
| Digital temperature control | ✅ | ❌ Not specified |
| Digital temperature display | ❌ Not specified | ✅ |
| Flue and combustion design | Power flue, room sealed | Balanced flue, sealed combustion with forced exhaust to prevent backflow |
| Energy efficiency label | Grade 1 | |
| Thermal efficiency at full load | 90.0% | 93.6% |
| Thermal efficiency at half load | 94.2% | 97.4% |
| Rated heat load | 26.2 kW | |
| Measured heat load | 27.1 kW | 26.9 kW |
| Gas consumption, maximum–minimum | 94.3–15.8 MJ/h (26.2–4.4 kW) | Not specified |
| Dimensions (H × W × D) | 678 × 380 × 138 mm | 695 × 380 × 150 mm |
| Weight | 15 kg | 18.0 kg net |
| Minimum operating water pressure | 10 kPa (1.5 p.s.i) | 20 kPa |
| Power supply | 220 V AC, 50 Hz | |
| Gas connection (B.S.P.) | 3/4 inch | |
| Cold-water connection (B.S.P.) | 1/2 inch | |
| Hot-water connection (B.S.P.) | 1/2 inch | |
| Colour options | White / Silver | Not specified |
| Place of manufacture, energy label information | Japan | Taiwan, China |
| Country of origin, Attributes | Japan | Taiwan |
| Warranty, description | Free permanent warranty; parts included for the first 3 years | Permanent warranty; parts included for the first 3 years |
| Warranty period, Attributes | 3 years | |
| Free standard installation | ✅ | ❌ Not specified |
| Free removal of old heater | ✅ | ❌ Not specified |
| Delivery service and exceptions | Free delivery service; additional delivery charges apply to Ma Wan and Discovery Bay | Not specified |
| Location-specific repair charges | Additional charges apply to each subsequent repair in Ma Wan and Discovery Bay | Not specified |
| Usage restrictions | Not for industrial or commercial use; industrial and commercial orders or addresses are not accepted | Not specified |
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.