







EHC SlimJim Electric Flow Boiler 12kW
Couldn't load pickup availability
Payment details
EHC SlimJim Electric Flow Boiler 12kW
Product Description
The EHC SlimJim 12kW Electric Flow Boiler is a compact, fully-electric boiler designed for efficient wet central heating where installation space is at a premium. Ideal for homes or apartments lacking a gas supply, this boiler operates virtually silently and is suitable for both traditional radiator heating and underfloor systems. Compatible with open-vented or sealed heating systems, it offers the flexibility of central heating only or integration with indirect hot water cylinders for DHW (domestic hot water).
- 100% efficiency at point of use—no flue, condensate, or emissions
- Minimalist, slimline design: fits in kitchen cupboards or tight utility spaces
- Runs quietly, with no moving combustion parts
- Simple user interface with temperature control dial (30°C–80°C)
- Front-mounted heat/fault diagnostic indicators
- Stainless steel, insulated heat exchanger for energy retention
- Run-Dry water level sensor prevents overheating in case of water loss
- Built-in high current thermal cut-out for safety
- No mandatory annual servicing required
- Compatible with “S” and “Y” plan heating configurations
Key Technical Specifications
Model | EHCSJIM12KW |
Output | 12 kW |
Voltage / Phase | 230V, Single Phase |
Current (Amps) | ~50A |
Dimensions (HxWxD) | 912 × 203 × 172 mm |
Weight | ~11 kg |
Temperature Range | 30°C – 80°C |
Energy Efficiency | 100%, ErP D |
Warranty | 5 years |
Water Pressure | Suits open-vented or sealed systems |
Noise Level | <15 dB (virtually silent) |
Applications
- Small- to medium-sized residential properties without gas supply
- Where flue installation is not possible
- Renovations, extensions, lofts, or conversions where space is limited
- Wet heating circuits (radiators or underfloor heat)
- Compatible with indirect hot water cylinder (system or S-plan setups)
What's Included?
- EHC SlimJim 12kW Electric Flow Boiler (EHCSJIM12KW)
- User and installation manual
Why Choose EHC SlimJim 12kW?
- 100% electric with no local emissions and silent running
- Installed almost anywhere due to compact, space-saving design
- Simple, safe, and reliable with integrated safety controls
- 5-year manufacturer warranty for peace of mind
- Type Electric Boilers
- Vendor EHC
- SKU EHCSJIM12KW
Please note: Delivery times may vary depending on location, with specific details outlined below.
Standard Delivery
UK Mainland
- Delivery Time: 2–4 working days
- Free Delivery on all orders
Express Delivery
UK Mainland
- Delivery Time: 1–3 working days
- Delivery fee of £15
Channel Islands
- Postcodes Covered: GY*, IM*, JE*
- Minimum Order: £50
- Delivery Fee: £70
Northern Ireland, Offshore Territories & Scottish Islands
- Postcodes Covered: BT*, HS*, KW, ZE
- Minimum Order: £50
- Delivery Fee: £35
Same Day Delivery
- Eligible Postcodes:
E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW* - Minimum Order: £50
- Same Day Delivery Fee: £60
- Special Requests or Locations:
For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.
Collections
Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.
Collection address: 284 Water Rd, Unit 9, London, HA0 1HX