Original: $1,902.30
-65%$1,902.30
$665.80The Story
Strom 21kW Electric System Boiler – Three Phase
The Strom 21kW Electric System Boiler is the ultimate solution for high-demand heating applications in large homes or commercial buildings. With advanced controls, robust build quality, and compatibility with modern heating controls, it is a future-proof choice for electric central heating.
Key Features
- Central heating only – for use with an indirect hot water cylinder
- Touchscreen digital control panel
- Integrated pump and expansion vessel
- Serpentine heating element for efficiency
- Three-phase power for high output
- No flue required – zero emissions at point of use
- Minimal moving parts for near-silent operation
- Compatible with solar panels and underfloor heating
- 5-year manufacturer’s warranty (registration required)
Technical Specifications
| Model | 21kW System Boiler |
|---|---|
| EAN | 5060797570173 |
| Power Supply | 400V, Three Phase |
| Output | 21kW |
| Amps | 32A |
| Recommended Breaker | 40A |
| Recommended Cable Size | 3 x 6mm² |
| Max Heating Pressure | 1.5 bar |
| Min Heating Pressure | 0.5 bar |
| Max Flow Temp | 80°C |
| Min Flow Temp | 20°C |
| Heating Connection | 3/4" Male |
| PRV Connection | 1/2" Female |
| Dimensions (H x W x D) | 700 x 425 x 260 mm |
| Weight | 20 kg |
| ERP Rating (Heating) | D |
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Strom 21kW Electric System Boiler – Three Phase
The Strom 21kW Electric System Boiler is the ultimate solution for high-demand heating applications in large homes or commercial buildings. With advanced controls, robust build quality, and compatibility with modern heating controls, it is a future-proof choice for electric central heating.
Key Features
- Central heating only – for use with an indirect hot water cylinder
- Touchscreen digital control panel
- Integrated pump and expansion vessel
- Serpentine heating element for efficiency
- Three-phase power for high output
- No flue required – zero emissions at point of use
- Minimal moving parts for near-silent operation
- Compatible with solar panels and underfloor heating
- 5-year manufacturer’s warranty (registration required)
Technical Specifications
| Model | 21kW System Boiler |
|---|---|
| EAN | 5060797570173 |
| Power Supply | 400V, Three Phase |
| Output | 21kW |
| Amps | 32A |
| Recommended Breaker | 40A |
| Recommended Cable Size | 3 x 6mm² |
| Max Heating Pressure | 1.5 bar |
| Min Heating Pressure | 0.5 bar |
| Max Flow Temp | 80°C |
| Min Flow Temp | 20°C |
| Heating Connection | 3/4" Male |
| PRV Connection | 1/2" Female |
| Dimensions (H x W x D) | 700 x 425 x 260 mm |
| Weight | 20 kg |
| ERP Rating (Heating) | D |
