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

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?

• 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

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