ThermoSphere Flex Electric Combi Boiler 4–14kW
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ThermoSphere Flex Electric Combi Boiler 4–14kW
Product Description
The ThermoSphere Flex Electric Combi Boiler is a high-performance solution providing both central heating and instant domestic hot water for properties without a gas supply. Flexible 4kW to 14kW outputs to suit a wide range of homes, from small flats to medium-sized houses. The Flex Combi delivers on-demand hot water with no storage cylinder required and features robust components, digital controls, and compact, wall-mounted design—ideal for energy-conscious homes and space-restricted installations.
- Dual Function: Central heating and on-demand domestic hot water from a single compact boiler.
- Efficient Performance: 100% electric operation—no flue, gas supply, or complex maintenance required.
- Digital Control: Intuitive interface for programming heating and hot water schedules, plus built-in thermostatic controls.
- Compact & Easy Install: Wall-mountable with protective casing, suitable for small plant rooms, airing cupboards, and kitchen spaces.
- Safety & Compliance: Features include high-limit thermostat, low water protection, overheat protection, and pressure relief valve.
- Flexible Outputs: Varied range (4kW—14kW) allows precise sizing to property requirements.
- Integrated Modulation: Multi-stage heating elements for responsive and energy-efficient operation.
- Warranty: Up to 5 years.
Key Technical Specifications
| Model | Heat Output | Voltage | Current Max (A) | DHW Flow Rate (at 14kW) | Dimensions (HxWxD) | IP Rating | Max Temperature | Weight | Warranty |
| TSFECB-4 | 4 kW | 230/400 V | ~18 A | See model spec | 730 × 215 × 122 mm | IPX1 | 60°C | ~14 kg | Up to 5 years |
| TSFECB-6 | 6 kW | 230/400 V | ~27 A | See model spec | 730 × 215 × 122 mm | IPX1 | 60°C | ~14 kg | Up to 5 years |
| TSFECB-9 | 9 kW | 230/400 V | ~40 A | See model spec | 730 × 215 × 122 mm | IPX1 | 60°C | ~14 kg | Up to 5 years |
| TSFECB-12 | 12 kW | 230/400 V | ~53 A | See model spec | 730 × 215 × 122 mm | IPX1 | 60°C | ~14 kg | Up to 5 years |
| TSFECB-14 | 14 kW | 230/400 V | ~62 A | 6 L/min (at 14kW) | 730 × 215 × 122 mm | IPX1 | 60°C | ~14 kg | Up to 5 years |
Applications
- Flats, apartments, small- to medium-size homes without gas supply
- Properties needing both wet central heating and hot water
- Whole-house heating and DHW without storage cylinder
- Retrofits, off-gas-grid properties, low-carbon new builds
What's Included?
- ThermoSphere Flex Electric Combi Boiler (model: 4/6/9/12/14kW)
- Integrated digital controller and control panel
- Wall-mount kit and installation hardware
- User and installation manual
Why Choose ThermoSphere Flex Electric Combi Boiler?
- Space-saving combi design delivers instant hot water and heating from one compact unit
- Zero on-site emissions and silent, flueless operation
- Easy to install, compatible with standard and smart heating controls
- Flexible output options for optimal property matching
- Backed by the manufacturer’s support and warranty
- Type Combi Boilers
- Vendor ThermoSphere
- SKU TSFLEX14
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