Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Order special instructions

Estimated total

£0.00 GBP

Tax included. Shipping and discounts calculated at checkout.
  • Home Products
    • Electric Fires
    • Gas Fires
    • Hot Water Cylinders
      • Direct
      • Indirect
    • Stoves
  • Plumbing & Heating
    • Bathroom & Kitchen
      • Showers
      • Water Heaters
      • Taps
    • Heating Controls
      • Programmers & Timers
      • Thermostats
      • Radiator Valves
      • Motorised Valves
    • Water Treatment
    • Plumbing Accessories & Tools
  • Cylinder Spares
    • Multiblocs
    • Pressure & Temperature Relief Valves
    • Immersion Heaters & Thermostats
      • Immersion Heaters
      • Immersion Thermostats
    • Expansion Vessels
      • Potable Expansion Vessels
      • Heating Expansion Vessels
    • Pressure Relief
      • Pressure Relief Valves
      • Pressure Relief Cartridges
    • Pressure Reducing
      • Pressure Reducing Valves
      • Pressure Reducing Cartridges
    • Tundish
  • Heating Spares
    • Air Vents
    • Boiler Expansion Vessels
    • Boiler Pressure Relief Valves
    • Gaskets
    • Heat Exchangers
    • Sensors
    • Valve Motors
  • Electrical
    • Electrical Fittings
    • Sockets & Switches
    • Ventilation
Log in
    Arcanu
    • Home Products
      • Electric Fires
      • Gas Fires
      • Hot Water Cylinders
        • Direct
        • Indirect
      • Stoves
    • Plumbing & Heating
      • Bathroom & Kitchen
        • Showers
        • Water Heaters
        • Taps
      • Heating Controls
        • Programmers & Timers
        • Thermostats
        • Radiator Valves
        • Motorised Valves
      • Water Treatment
      • Plumbing Accessories & Tools
    • Cylinder Spares
      • Multiblocs
      • Pressure & Temperature Relief Valves
      • Immersion Heaters & Thermostats
        • Immersion Heaters
        • Immersion Thermostats
      • Expansion Vessels
        • Potable Expansion Vessels
        • Heating Expansion Vessels
      • Pressure Relief
        • Pressure Relief Valves
        • Pressure Relief Cartridges
      • Pressure Reducing
        • Pressure Reducing Valves
        • Pressure Reducing Cartridges
      • Tundish
    • Heating Spares
      • Air Vents
      • Boiler Expansion Vessels
      • Boiler Pressure Relief Valves
      • Gaskets
      • Heat Exchangers
      • Sensors
      • Valve Motors
    • Electrical
      • Electrical Fittings
      • Sockets & Switches
      • Ventilation
    Log in Cart

    SAME WORKING DAY DISPATCH BEFORE 4PM | FREE SHIPPING TO UK MAINLAND

    MULTI-BUY DISCOUNTS AVAILABLE | ENQUIRE HERE

    Filter:

    Availability
    0 selected
    Reset
    Availability
    Price
    The highest price is £931.99 Reset
    £
    £
    Remove all

    389 products

    Filter and sort Filter

    Filter and sort

    Filter

    389 products

    Availability
    Clear
    Price

    The highest price is £931.99

    £
    £
    Clear
    Remove all
    Remove all

    389 products

    • Triton Instaflow 7.7kW Instantaneous Multi Point Water Heater

      Triton Instaflow 7.7kW Instantaneous Multi Point Water Heater

      Triton Instaflow 7.7kW Instantaneous Multi Point Water Heater

      Regular price £215.99
      Regular price Sale price £215.99
      Unit price /  per 
    • Vaillant 3 Bar Pressure Relief Valve 178985 Alternative

      Vaillant 3 Bar Pressure Relief Valve 178985 Alternative

      Vaillant 3 Bar Pressure Relief Valve 178985 Alternative

      Regular price £11.99
      Regular price Sale price £11.99
      Unit price /  per 
    • Vaillant 6 Litre Expansion Vessel 181061 Alternative

      Vaillant 6 Litre Expansion Vessel 181061 Alternative

      Vaillant 6 Litre Expansion Vessel 181061 Alternative

      Regular price £74.99
      Regular price Sale price £74.99
      Unit price /  per 

    • Vaillant Air Vent 104521 Alternative

      Vaillant Air Vent 104521 Alternative

      Regular price £19.99
      Regular price Sale price £19.99
      Unit price /  per 
    • Vaillant Heat Exchanger 178973 Alternative

      Vaillant Heat Exchanger 178973 Alternative

      Sold out

      Vaillant Heat Exchanger 178973 Alternative

      Regular price £190.99
      Regular price Sale price £190.99
      Unit price /  per 
      Sold out
    • Vaillant Pressure Sensor 0020059717 Alternative

      Vaillant Pressure Sensor 0020059717 Alternative

      Vaillant Pressure Sensor 0020059717 Alternative

      Regular price £27.99
      Regular price Sale price £27.99
      Unit price /  per 
    • Valor Brava Teak Gas Fire

      Valor Brava Teak Gas Fire

      Valor Brava Teak Gas Fire

      Regular price £591.29
      Regular price Sale price £591.29
      Unit price /  per 
    • Valor Brazilia Wall Heater

      Valor Brazilia Wall Heater

      Valor Brazilia Wall Heater

      Regular price £509.99
      Regular price Sale price £509.99
      Unit price /  per 
    • Valor Brazilia Wall Heater F8ST

      Valor Brazilia Wall Heater F8ST

      Valor Brazilia Wall Heater F8ST

      Regular price £645.99
      Regular price Sale price £645.99
      Unit price /  per 
    • Valor Firelite Gas Fire

      Valor Firelite Gas Fire

      Valor Firelite Gas Fire

      Regular price £503.99
      Regular price Sale price £503.99
      Unit price /  per 
    • Valor Radiant Black Beauty Gas Fire

      Valor Radiant Black Beauty Gas Fire

      Valor Radiant Black Beauty Gas Fire

      Regular price £645.99
      Regular price Sale price £645.99
      Unit price /  per 
    • Valor Slimline Black Beauty Gas Fire

      Valor Slimline Black Beauty Gas Fire

      Valor Slimline Black Beauty Gas Fire

      Regular price £897.49
      Regular price Sale price £897.49
      Unit price /  per 
    • Valor Slimline Blenheim Black Gas Fire

      Valor Slimline Blenheim Black Gas Fire

      Valor Slimline Blenheim Black Gas Fire

      Regular price £409.99
      Regular price Sale price £409.99
      Unit price /  per 
    • Valor Slimline Blenheim Brass Gas Fire

      Valor Slimline Blenheim Brass Gas Fire

      Valor Slimline Blenheim Brass Gas Fire

      Regular price £409.99
      Regular price Sale price £409.99
      Unit price /  per 
    • Valor Slimline Blenheim Chrome Gas Fire

      Valor Slimline Blenheim Chrome Gas Fire

      Valor Slimline Blenheim Chrome Gas Fire

      Regular price £519.99
      Regular price Sale price £519.99
      Unit price /  per 
    • Valurod Drain Clearing Set 60341

      Valurod Drain Clearing Set 60341

      Valurod Drain Clearing Set 60341

      Regular price £46.99
      Regular price Sale price £46.99
      Unit price /  per 
    • Varem 2 Litre 4.1 Bar Expansion Vessel R1002828

      Varem 2 Litre 4.1 Bar Expansion Vessel R1002828

      Varem 2 Litre 4.1 Bar Expansion Vessel R1002828

      Regular price £23.99
      Regular price Sale price £23.99
      Unit price /  per 
    • Varem 2 Litre Expansion Vessel on White Background

      Varem 2 Litre Expansion Vessel R1002823S4000000

      Varem 2 Litre Expansion Vessel R1002823S4000000

      Regular price £23.99
      Regular price Sale price £23.99
      Unit price /  per 

    • Vokera 3 Bar Pressure Relief Valve 1806 Alternative

      Sold out

      Vokera 3 Bar Pressure Relief Valve 1806 Alternative

      Regular price £19.99
      Regular price Sale price £19.99
      Unit price /  per 
      Sold out

    • Vokera 3 Bar Pressure Relief Valve 20044364 Alternative

      Sold out

      Vokera 3 Bar Pressure Relief Valve 20044364 Alternative

      Regular price £20.99
      Regular price Sale price £20.99
      Unit price /  per 
      Sold out
    • 1
    • …
    • 17
    • 18
    • 19
    • 20

    Useful Links

    • Home
    • Returns & Refunds
    • Privacy Policy
    • Terms & Conditions
    • About Us
    • Contact Us
    • Multi-Buy Enquiry
    • Reviews

    Contact Information

    Email: support@arcanu.com

    Company Registration Number: 14314488

    VAT Number: 425430521

    Opening Hours: 09:00-17:00, Monday to Friday (Excluding Bank Holidays)

    Payment methods
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Maestro
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa
    © 2025, Arcanu Powered by Shopify
    • Choosing a selection results in a full page refresh.
    • Opens in a new window.
    Free Fast Shipping To All UK Mainland Addresses
    Multi-Buy Discount Email us at support@arcanu.com