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    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
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    • Baxi/Heatrae Sadia Lower Immersion Heater 95606963

      Baxi/Heatrae Sadia Lower Immersion Heater 95606963

      Baxi/Heatrae Sadia Lower Immersion Heater 95606963

      Regular price £86.99
      Regular price Sale price £86.99
      Unit price /  per 
    • Biasi Valve Motor BI1101102 Alternative

      Biasi Valve Motor BI1101102 Alternative

      Biasi Valve Motor BI1101102 Alternative

      Regular price £41.99
      Regular price Sale price £41.99
      Unit price /  per 
    • Bostik 750g Plumbers Mait 30812666

      Bostik 750g Plumbers Mait 30812666

      Bostik 750g Plumbers Mait 30812666

      Regular price £12.99
      Regular price Sale price £12.99
      Unit price /  per 
    • Brass 1/2" Hose Union Bibtap 301308

      Brass 1/2" Hose Union Bibtap 301308

      Brass 1/2" Hose Union Bibtap 301308

      Regular price £35.99
      Regular price Sale price £35.99
      Unit price /  per 
    • Caleffi 3/6 Bar Circlip Multibloc for unvented systems on a white background

      Caleffi 1 Piece 3/6 Bar 22mm Circlip Multibloc 533112CST

      Caleffi 1 Piece 3/6 Bar 22mm Circlip Multibloc 533112CST

      Regular price £44.99
      Regular price Sale price £44.99
      Unit price /  per 
    • Caleffi 1/2" x 3/4" Angled Plastic Tundish on white background

      Caleffi 1/2" x 3/4" Angled Plastic Tundish AP-400001

      Caleffi 1/2" x 3/4" Angled Plastic Tundish AP-400001

      Regular price £10.49
      Regular price Sale price £10.49
      Unit price /  per 
    • Caleffi 1/4" Robocal Automatic Air Vent 502420

      Caleffi 1/4" Robocal Automatic Air Vent 502420

      Caleffi 1/4" Robocal Automatic Air Vent 502420

      Regular price £19.99
      Regular price Sale price £19.99
      Unit price /  per 
    • Caleffi 10 Bar 1/2" Pressure & Temperature Relief Valve 309400CST

      Caleffi 10 Bar 1/2" Pressure & Temperature Relief Valve 309400CST

      Caleffi 10 Bar 1/2" Pressure & Temperature Relief Valve 309400CST

      Regular price £26.99
      Regular price Sale price £26.99
      Unit price /  per 
    • Caleffi 22mm Adjustable Pressure Reducing Valve 535022

      Caleffi 22mm Adjustable Pressure Reducing Valve 535022

      Caleffi 22mm Adjustable Pressure Reducing Valve 535022

      Regular price £68.99
      Regular price Sale price £68.99
      Unit price /  per 
    • Caleffi 3/6 Bar 22mm Cold Water Inlet Loose Nut Multibloc Valve 533002CST

      Caleffi 3/6 Bar 22mm Cold Water Inlet Loose Nut Multibloc Valve 533002CST

      Caleffi 3/6 Bar 22mm Cold Water Inlet Loose Nut Multibloc Valve 533002CST

      Regular price £47.99
      Regular price Sale price £47.99
      Unit price /  per 
    • Caleffi 3/6 Bar 22mm O-Ring Type Multibloc 535001CST

      Caleffi 3/6 Bar 22mm O-Ring Type Multibloc 535001CST

      Caleffi 3/6 Bar 22mm O-Ring Type Multibloc 535001CST

      Regular price £64.99
      Regular price Sale price £64.99
      Unit price /  per 
    • Caleffi 311 Series 3 Bar Pressure Relief Valve 311530

      Caleffi 311 Series 3 Bar Pressure Relief Valve 311530

      Caleffi 311 Series 3 Bar Pressure Relief Valve 311530

      Regular price £17.99
      Regular price Sale price £17.99
      Unit price /  per 
    • Caleffi 313 Series 3 Bar Pressure Relief Valve 313430

      Caleffi 313 Series 3 Bar Pressure Relief Valve 313430

      Caleffi 313 Series 3 Bar Pressure Relief Valve 313430

      Regular price £10.99
      Regular price Sale price £10.99
      Unit price /  per 
    • Caleffi 313 Series 3 Bar Pressure Relief Valve with Gauge 313430

      Caleffi 313 Series 3 Bar Pressure Relief Valve with Gauge 313430

      Caleffi 313 Series 3 Bar Pressure Relief Valve with Gauge 313430

      Regular price £18.99
      Regular price Sale price £18.99
      Unit price /  per 
    • Caleffi 6 Bar 15mm O-Ring Type Pressure Relief Valve 312007CST

      Caleffi 6 Bar 15mm O-Ring Type Pressure Relief Valve 312007CST

      Caleffi 6 Bar 15mm O-Ring Type Pressure Relief Valve 312007CST

      Regular price £13.89
      Regular price Sale price £13.89
      Unit price /  per 
    • Caleffi 6 Bar 15mm O-Ring Type Pressure Relief Valve 312007CST

      Caleffi 6 Bar 15mm O-Ring Type Pressure Relief Valve 312007CST

      Caleffi 6 Bar 15mm O-Ring Type Pressure Relief Valve 312007CST

      Regular price £13.89
      Regular price Sale price £13.89
      Unit price /  per 
    • Caleffi 6 Bar Circlip Pressure Relief Valve F0000412

      Caleffi 6 Bar Circlip Pressure Relief Valve F0000412

      Caleffi 6 Bar Circlip Pressure Relief Valve F0000412

      Regular price £23.99
      Regular price Sale price £23.99
      Unit price /  per 
    • Caleffi 6 Bar Loose Nut Pressure Relief Valve 311501

      Caleffi 6 Bar Loose Nut Pressure Relief Valve 311501

      Caleffi 6 Bar Loose Nut Pressure Relief Valve 311501

      Regular price £20.99
      Regular price Sale price £20.99
      Unit price /  per 
    • Caleffi 7 Bar 1/2" Pressure & Temperature Relief Valve 309470CST

      Caleffi 7 Bar 1/2" Pressure & Temperature Relief Valve 309470CST

      Caleffi 7 Bar 1/2" Pressure & Temperature Relief Valve 309470CST

      Regular price £17.39
      Regular price Sale price £17.39
      Unit price /  per 
    • Caleffi 7 Bar 3/4" Pressure & Temperature Relief Valve 309570CST

      Caleffi 7 Bar 3/4" Pressure & Temperature Relief Valve 309570CST

      Caleffi 7 Bar 3/4" Pressure & Temperature Relief Valve 309570CST

      Regular price £34.99
      Regular price Sale price £34.99
      Unit price /  per 
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