Boilers Fusion Astro v2 Combination Boiler

SKU: ASTRO
  • From £1,350.82
  • (FREE UK Delivery)
  • RRP £1,627.49
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Free UK Delivery on orders

Fusion Astro v2 Electric Combi Boiler

Smart, powerful, and built for homes off the gas grid — the Fusion Astro v2 delivers instant hot water and efficient heating with zero emissions.

  • 100% energy efficient — no flue, no waste, just clean electric heat
  • Instant hot water — perfect for showers and sinks; 3-phase models fill baths with ease
  • Smart controls — LCD display, built-in programmer, and compatibility with external smart thermostats
  • Weather compensation — auto-adjusts output to reduce cycling and save up to 15% energy
  • Flexible outputs — available in 12kW & 14.4kW (single phase) and 24kW & 30kW (three phase)
  • Installer-friendly — advanced diagnostics, pre-matched cylinder packs, and compliance kit available
  • Ideal for — wet radiators, underfloor heating, and properties with gas restrictions

WRAS approved and designed for reliable, cost-effective performance — a smart alternative to oil, LPG, or storage heating.

Please Note: A Straight Valve Kit is essential for the installation of this boiler. This is now included with your purchase.

  • 2x 3/4F X 22MM ANG VALVE BLACK HANDLE (CB153)
  • 2x 1/2F X 15MM ANG VALVE BLACK HANDLE (CB154)

 

Get the optional Component Packages that incorporate all the necessary components needed to meet Part L of the Building Regulations and ensure a high-quality system install. 

This Pack includes all the key components required to ensure a hassle-free professional install of the Astro Combi Boiler. 

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Boiler Specifications
ASTRO24KW.V2 Height 650 mm
ASTRO24KW.V2 Width 440 mm
ASTRO24KW.V2 Depth 274 mm
ASTRO24KW.V2 Weight 42 Kg
ASTRO24KW.V2 Wattage 24 kW
ASTRO24KW.V2 ERP Rating D(Heating) A(Hot Water)
ASTRO24KW.V2 Boiler Warranty 5 Years*
ASTRO24KW.V2 Circuit Protection 3x40 Amps
ASTRO24KW.V2 Minimum Cable Size 5x6 mm
ASTRO24KW.V2 Load Current 3x43 Amps
ASTRO24KW.V2 Voltage 400 V
ASTRO24KW.V2 BTU Output 81891
ASTRO24KW.V2 Temperature Range 30-80 °C
ASTRO24KW.V2 Hot Water Temperature Range 30-60
ASTRO14.4KW.V2 Height 650 mm
ASTRO14.4KW.V2 Width 440 mm
ASTRO14.4KW.V2 Depth 274 mm
ASTRO14.4KW.V2 Weight 42 Kg
ASTRO14.4KW.V2 Wattage 14.4 kW
ASTRO14.4KW.V2 ERP Rating D(Heating) A(Hot Water)
ASTRO14.4KW.V2 Boiler Warranty 5 Years*
ASTRO14.4KW.V2 Circuit Protection 80 Amps
ASTRO14.4KW.V2 Minimum Cable Size 16 mm
ASTRO14.4KW.V2 Load Current 65 Amps
ASTRO14.4KW.V2 Voltage 230 V
ASTRO14.4KW.V2 BTU Output 49161
ASTRO14.4KW.V2 Temperature Range 30-80 °C
ASTRO14.4KW.V2 Hot Water Temperature Range 30-60
ASTRO12KW.V2 Height 650 mm
ASTRO12KW.V2 Width 440 mm
ASTRO12KW.V2 Depth 274 mm
ASTRO12KW.V2 Weight 42 Kg
ASTRO12KW.V2 Wattage 12 kW
ASTRO12KW.V2 ERP Rating D(Heating) A(Hot Water)
ASTRO12KW.V2 Boiler Warranty 5 Years*
ASTRO12KW.V2 Circuit Protection 63 Amps
ASTRO12KW.V2 Minimum Cable Size 16 mm
ASTRO12KW.V2 Load Current 52 Amps
ASTRO12KW.V2 Voltage 230 V
ASTRO12KW.V2 BTU Output 40968
ASTRO12KW.V2 Temperature Range 30-80 °C
ASTRO12KW.V2 Hot Water Temperature Range 30-60
ASTRO30KW.V2 Height 650 mm
ASTRO30KW.V2 Width 440 mm
ASTRO30KW.V2 Depth 274 mm
ASTRO30KW.V2 Weight 42 Kg
ASTRO30KW.V2 Wattage 30 kW
ASTRO30KW.V2 ERP Rating D(Heating) A(Hot Water)
ASTRO30KW.V2 Boiler Warranty 5 Years*
ASTRO30KW.V2 Circuit Protection 3x63 Amps
ASTRO30KW.V2 Minimum Cable Size 5x10 mm
ASTRO30KW.V2 Load Current 3x43 Amps
ASTRO30KW.V2 Voltage 400 V
ASTRO30KW.V2 BTU Output 109188
ASTRO30KW.V2 Temperature Range 30-80 °C
ASTRO30KW.V2 Hot Water Temperature Range 30-60
Top Class Reputation
Delivering successful electric heating solutions for two decades
Top Class Reputation
Delivering successful electric heating solutions for two decades
Top Class Reputation
Delivering successful electric heating solutions for two decades
Reputation
Bespoke Customer Service
Ensuring your purchase meets your requirements
Bespoke Customer Service
Ensuring your purchase meets your requirements
Bespoke Customer Service
Ensuring your purchase meets your requirements
Customer Service
Innovation & Design
All our products are easy to operate and 100% efficient
Innovation & Design
All our products are easy to operate and 100% efficient
Innovation & Design
All our products are easy to operate and 100% efficient
Innovation
Extended Warranties
Extended warranty options for your peace of mind
Extended Warranties
Extended warranty options for your peace of mind
Extended Warranties
Extended warranty options for your peace of mind
Warranty