Electric combi boiler – STB/DTB series
Inquire NowDescription
The Electric Combi Boiler – STB/DTB series is a cutting-edge solution for your water heating needs, offering unparalleled flexibility and efficiency. Designed to power two completely separate water heating systems, this unit is perfect for both central heating and domestic hot water usage. Say goodbye to tedious chores with easily accessible warm water while enjoying the reliability and power of this robust unit. Built with a focus on functionality, the STB/DTB series combines advanced technology with user-friendly features, making it an essential addition to modern homes.
Key Features:
- Dual heating system for optimal performance
- LCD display and touch control for easy operation
- Rigid casing for maximum protection
- Schedule selections system for tailored heating preferences
- Anti-freeze mode to prevent system damage
- Heat preservation mode for energy efficiency
- Built-in pump for enhanced functionality
Specifications
| Attribute | STB 6/9/12 | DTB 12/15/18/21/24 |
|---|---|---|
| Voltage | 230 V / 400 V | 400 V |
| Phase | 1~ / 3~ | 3~ |
| Frequency | 50 Hz | |
| Power | 6 kW / 9 kW / 12 kW | 12 kW / 15 kW / 18 kW / 21 kW / 24 kW |
| Current (A) | 26 / 9 / 39 / 13 / 17 / 22 / 26 / 30 / 35 | 26 / 30 / 35 |
| Cable size (mm2) | 4 / 3*1.5 / 6 / 3*2.5 | 3*2.5 / 3*4 / 3*6 |
| Circuit breaker (A) | 32 / 16 / 50 / 16 | 25 / 25 / 32 / 40 |
| Heating area (m2) | 60 / 90 / 120 | 120 / 150 / 180 / 210 / 240 |
| Efficiency | 99% | |
| MAX. Water Temperature | 80°C | |
| Working Temperature | Radiator mode: 30-80°C (default 65°C); Floor heating mode: 30-60°C (default 50°C); Domestic hot water: 35-70°C (default 50°C) | |
| Anti-freeze Start Temperature | <7°C | |
| Anti-freeze Stop Temperature | ≥10°C | |
| Output Voltage of Pump | 230 V, 0.5 A | |
| Capacity of Expansion Tank | 6 L | |
| Inlet & Outlet Connection | G3/4″ | G3/4” for heating, G1/2” for domestic hot water |
| Product Size | 660 x 402 x 250 mm | 710 x 452 x 250 mm |
Additional Information
This boiler is designed for maximum energy efficiency and user convenience. Regular maintenance is recommended to ensure optimal performance. Installation by a qualified technician is advised for safety and compliance with local regulations.
