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SIMPA UZW10F vs STW11RM Comparison
Side by side
UZW10F STW11RM
- UZW10F supplies 10 L/min, while STW11RM supplies 12 L/min, both at a 25°C temperature rise.
- UZW10F measures 540 × 335 × 135 mm; STW11RM measures 695 × 380 × 150 mm, both in H × W × D order.
- UZW10F has thermal efficiencies of 91.7% at full load and 93.5% at half load; STW11RM achieves 93.6% and 97.4%, respectively.
- UZW10F requires a minimum operating water pressure of 10 kPa (1.5 psi), compared with 20 kPa for STW11RM.
- UZW10F uses a mechanical flue system with top exhaust; STW11RM uses a sealed balanced-flue design with forced exhaust.
| 項目/item | UZW10F | STW11RM |
| Series | Constant Temperature Series | |
| Gas type | Town Gas | |
| Hot water supply | 10 L/min at a 25°C temperature rise | 12 L/min at a 25°C temperature rise |
| Temperature control | Built-in thermostat automatically adjusts heating power to maintain stable water temperature during water pressure changes | Automatic temperature control maintains stable water temperature during water pressure changes |
| Temperature setting range | Not specified | 35°C–55°C |
| Exhaust design | Mechanical flue system with top exhaust | Sealed balanced-flue design with forced exhaust to prevent backflow |
| Ignition system | Fully automatic electronic ignition | Automatic ignition |
| Digital temperature display | ❌ Not specified | ✅ |
| Flame failure safety | ✅ | ❌ Not specified |
| Overheat protection | ✅ | ❌ Not specified |
| EMSD GU mark certification | ✅ | ❌ Not specified |
| Energy efficiency label | Grade 1 | |
| Thermal efficiency — full load | 91.7% | 93.6% |
| Thermal efficiency — half load | 93.5% | 97.4% |
| Rated heat load | 22.0 kW | 26.2 kW |
| Measured heat load | 22.8 kW | 26.9 kW |
| Gas consumption — maximum | 79.2 MJ/hr (22.0 kW) | Not specified |
| Gas consumption — minimum | 21.6 MJ/hr (6.0 kW) | Not specified |
| Power supply | AC 220 V, 50 Hz | |
| Dimensions (H × W × D) | 540 × 335 × 135 mm | 695 × 380 × 150 mm |
| Weight | 11.2 kg | 18.0 kg (net) |
| Minimum operating water pressure | 10 kPa (1.5 psi) | 20 kPa |
| Pipe connections | Gas: 3/4 inch; cold water: 1/2 inch; hot water: 1/2 inch | B.S.P.: gas 3/4; cold water 1/2; hot water 1/2 |
| Color | White | Not specified |
| Place of manufacture / origin | Product specifications: China | Energy label information: Taiwan, China; Attributes: Taiwan |
| Free delivery | ✅ | ❌ Not specified |
| Free standard installation | ✅ | ❌ Not specified |
| Free removal of old appliance | ✅ | ❌ Not specified |
| Warranty — product description | Permanent warranty; parts included for the first 3 years | |
| Warranty period — Attributes | 3 years | |
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.