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STIEBEL ELTRON DHB-E18/21/24LCD vs DHB18/21/24ST Trend Comparison
DHB18/21/24ST Trend
Stiebel Eltron DHB18/21/24ST Trend Electronic Control Instantaneous Water Heater
HK$3,688
HK$6,670
Side by side
DHB-E18/21/24LCD DHB18/21/24ST Trend
- DHB-E18/21/24LCD specifies an LCD temperature display; DHB18/21/24ST Trend specifies a rotary temperature selector.
- DHB-E18/21/24LCD weighs 3.2 kg, while DHB18/21/24ST Trend weighs 2.9 kg.
- DHB-E18/21/24LCD specifies a minimum flow rate of 2.5 L/min; DHB18/21/24ST Trend specifies a start flow rate of >3 L/min.
- DHB-E18/21/24LCD offers childproof temperature limits of 43°C, 50°C, 55°C and 60°C; DHB18/21/24ST Trend lists 43°C, 50°C and 55°C.
- DHB-E18/21/24LCD supports an optional FFB4 wireless remote; DHB18/21/24ST Trend supports an optional FB1 LCD Trend wired remote.
| 項目/item | DHB-E18/21/24LCD | DHB18/21/24ST Trend |
| Power rating at 400 V | 18 / 21 / 24 kW | |
| Power rating at 380 V | 16.2 / 19 / 21.7 kW | |
| Power selection | Selectable power ratings | Power rating selected upon installation |
| Control unit | Electronic control | |
| Temperature range | OFF; 20–60°C | 20–60°C |
| Fine temperature adjustment | 0.5°C increments from 35°C or 43°C, as stated | Not specified |
| LCD temperature display | ✅ | ❌ Not specified |
| Rotary temperature selector | ❌ Not specified | ✅ |
| Dimensions (H × W × D) | 466 × 225 × 116 mm | |
| Weight | 3.2 kg | 2.9 kg |
| Working pressure | Working pressure: 10 bar | Maximum working pressure: 1.0 MPa (10 bar) |
| Minimum working pressure | Not specified | 0.02 MPa (0.2 bar) |
| Minimum / start flow rate | Minimum flow rate: 2.5 L/min | Start flow rate: >3 L/min |
| Starting volume | ≥2.5 L | Not specified |
| Flow rate range | 5.2–13.8 L/min, dependent on model | Not specified |
| Water connection | Inlet: 15 mm (G1/2″) | Pipe connection: 15 mm (G1/2″) |
| Protection rating | IP25 | |
| Bare wire heating system | ✅ | |
| Pressure-tested copper casing | ✅ | ❌ Not specified |
| Water compatibility | Suitable for hard and soft water | |
| Electronic air detection | ✅ | |
| Temperature cut-off device | ✅ | ❌ Not specified |
| Childproof temperature limits | 43°C / 50°C / 55°C / 60°C | 43°C / 50°C / 55°C |
| Compatible with solar-preheated water | ✅ | |
| Profi-Rapid installation system | ❌ Not specified | ✅ |
| Unit type | Centralized | Not specified |
| Outlet applications | Not specified | Single or multiple |
| Energy-saving claim | Key features: up to 30% energy savings compared with traditional cylinder water heating systems. Important notes: the claim compares against hydraulic instantaneous water heaters and depends on usage pattern. | Not specified |
| Optional remote control | FFB4 wireless comfort remote; purchased separately | FB1 LCD Trend wired remote; purchased separately |
| Country of origin | Germany | |
| Warranty | 2 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.