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EHC SlimJim Electric Flow Boiler 4kW
Regular price
£745.00
Inc. VAT
£620.83
Exc. VAT
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EHC SlimJim Electric Flow Boiler 4kW
Product Description
The EHC SlimJim 4kW Electric Flow Boiler is a compact, fully-electric central heating solution tailored for properties lacking gas supply. Its slim, wall-mounted profile makes it perfect for locations where space is at a premium—such as flats, studios, garden offices, and small homes. The 4kW model serves wet central heating circuits with radiators or underfloor coils and supports both open-vented and sealed heating systems (with optional kit).
- 100% efficient at point of use; no flue, condensate, or emissions
- Silent operation & minimalist design; just 912 × 203 × 172 mm, 11 kg
- Suitable for radiators and underfloor pipes
- Simple dial temperature control (30–80°C)
- Status LEDs and diagnostic indicators for easy troubleshooting
- Run-dry water level sensor and high-current thermal cut-out for safety
- Suitable for integration with indirect hot water cylinders (S/Y plan systems)
- No annual service required; low maintenance for convenience
- 5-year manufacturer warranty for peace of mind
Key Technical Specifications
| Model | EHCSJIM4KW |
| Output | 4 kW |
| Voltage / Phase | 230V, Single Phase |
| Current (Max) | 17 A |
| Circuit Protection | 20 A |
| Minimum Cable Size | 6 mm² |
| BTU Output | 13,648 |
| Dimensions (HxWxD) | 912 × 203 × 172 mm |
| Weight | 11 kg |
| Temperature Range | 30–80°C |
| Energy Class | ErP D |
| Mounting | Wall |
| Water System | Open-vented or sealed (optional kit) |
| Warranty | 5 years |
Applications
- Small homes, flats, studios, garden offices
- Wet heating circuits with radiators or underfloor heating
- Spaces requiring silent, compact, and low-maintenance heat
- Integration with indirect hot water cylinders ("S" or "Y" plan)
What's Included?
- EHC SlimJim 4kW Electric Flow Boiler (EHCSJIM4KW)
- User and installation manual
Why Choose EHC SlimJim 4kW Electric Flow Boiler?
- Zero emissions, 100% efficiency, and silent operation
- Ultra-compact, easy to install and maintain
- Comprehensive safety features as standard
- No mandatory annual service—cost-effective over time
- Reliable with a 5-year manufacturer guarantee
BTU & WATT Calculator
Room Dimensions
Room Type
Living Room
Bedroom
Kitchen
Bathroom
Conservatory
Hallway
Glazing Type
Single Glazed
Double Glazed
Triple Glazed
External Walls
0 Wall
1 Wall
2 Walls
3 Walls
4 Walls
Insulation Level
Poor
Average
Good (New Build)
Required Heating
0
Watts
0
BTUs
Tools & Kits
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