24 products

  • Caleffi 3/6 Bar Circlip Multibloc for unvented systems on a white background
    Caleffi 3/6 Bar Circlip Multibloc for unvented systems on a white background

    Caleffi 3/6 Bar 22mm Circlip Multibloc 533112CST

    £49.99
    £49.99
    Price excluding VAT: £41.66

    Caleffi 3/6 Bar 22mm Circlip Multibloc for unvented hot water systems Control mains inlet pressure with the Caleffi 533112CST multibloc. This single unit combines a 3...
  • Caleffi 313 Series 3 Bar Pressure Relief Valve with a gauge, featuring a red top and a black dial on the gauge.
    Caleffi 313 Series 3 Bar Pressure Relief Valve with a gauge, featuring a red top and a black dial on the gauge.

    Caleffi 313 Series 3 Bar 1/2" Pressure Relief Valve with Gauge 313430

    £18.49
    £18.49
    Price excluding VAT: £15.41

    The Caleffi Pressure Relief Valve is designed for unvented systems to protect against overpressure and maintain safe operating conditions in plumbing and heating systems The Caleffi...
  • A brass Caleffi Multibloc valve with a pressure reducing valve, pressure relief valve, and check valve, featuring a red cap and a 22mm connection.
    A brass Caleffi Multibloc valve with a pressure reducing valve, pressure relief valve, and check valve, featuring a red cap and a 22mm connection.

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

    £66.99
    £66.99
    Price excluding VAT: £55.83

    Caleffi 3/6 Bar 22mm O-Ring Multibloc 535001CST The Caleffi 535001CST is an all-in-one multibloc valve for suitable unvented hot water cylinder installations. It combines a pressure...
  • Caleffi 312 Series 3 Bar Pressure Relief Valve 312430

    Caleffi 312 Series 3 Bar Pressure Relief Valve 312430

    £8.99
    £8.99
    Price excluding VAT: £7.49

    Caleffi 312 Series 3 Bar Pressure Relief Valve 312430 The Caleffi 312430 pressure relief valve is designed for suitable unvented systems and helps protect against overpressure....
  • A Caleffi 7 Bar 1/2 inch pressure and temperature relief valve with brass body and a white probe.
    A Caleffi 7 Bar 1/2 inch pressure and temperature relief valve with brass body and a white probe.

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

    £17.49
    £17.49
    Price excluding VAT: £14.58

    Designed to protect against over-pressurisation, the Caleffi 7 Bar Pressure & Temperature Relief Valve is an essential safety feature installed near the top of the hot...
  • Caleffi 314 Series 3 Bar 3/4" Pressure Relief Valve with Gauge Port A314437CST
    Caleffi 314 Series 3 Bar 3/4" Pressure Relief Valve with Gauge Port A314437CST

    Caleffi 314 Series 3 Bar 3/4" Pressure Relief Valve with Gauge Port A314437CST

    £12.99
    £12.99
    Price excluding VAT: £10.83

    Designed for unvented systems, the Caleffi 312 Series 3 Bar 3/4" Pressure Relief Valve with Gauge Port serves to protect against potential overpressure.  The primary purpose...
  • Caleffi 7 Bar 3/4" Pressure & Temperature Relief Valve 309570CST

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

    £42.99
    £42.99
    Price excluding VAT: £35.83

    By releasing pressure or temperature when levels exceed safe limits, the Caleffi 7 Bar Pressure Relief Valve provides reliable protection against over-pressurisation and potential system damage...
  • Caleffi Mixcal 22mm Thermostatic Mixing Valve 521122

    Caleffi Mixcal 22mm Thermostatic Mixing Valve 521122

    £124.99
    £124.99
    Price excluding VAT: £104.16

    Caleffi Mixcal 22mm Thermostatic Mixing Valve for Domestic Hot Water The Caleffi Mixcal 22mm thermostatic mixing valve helps maintain consistent mixed-water temperatures in domestic hot water...
  • Caleffi 311 Series 6 Bar 3/4" Pressure Relief Valve 311560

    Caleffi 311 Series 6 Bar 3/4" Pressure Relief Valve 311560

    £14.99
    £14.99
    Price excluding VAT: £12.49

    Ensure reliable and safe operation of heating and hot water systems by preventing excessive pressure with the Caleffi 311 Series 6 Bar Pressure Relief Valve. A Pressure...
  • Caleffi 22mm Adjustable Pressure Reducing Valve with brass body, grey adjustment knob, and gold connectors for secure plumbing Ask ChatGPT
    Caleffi 22mm Adjustable Pressure Reducing Valve with brass body, grey adjustment knob, and gold connectors for secure plumbing Ask ChatGPT

    Caleffi 22mm Adjustable Pressure Reducing Valve 535022

    £68.99
    £68.99
    Price excluding VAT: £57.49

    Designed to reduce high inlet pressure to a lower, controlled pressure, the Caleffi Pressure Reducing Valve ensures consistent and stable water pressure within unvented hot water...
  • Caleffi 3 Bar reducing, 6 Bar relief, 22mm connection with brass cold water inlet loose nut multibloc valve with a grey nut and a red check valve
    Caleffi 3 Bar reducing, 6 Bar relief, 22mm connection with brass cold water inlet loose nut multibloc valve with a grey nut and a red check valve

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

    £48.97
    £48.97
    Price excluding VAT: £40.81

    Designed specifically for unvented systems, the Caleffi 3/6 Bar Loose Nut Multibloc regulates the mains water supply pressure entering the hot water cylinder ensuring safe operation...
  • A Caleffi 313 Series 3 Bar Pressure Relief Valve with a red cap on a metallic body, featuring a connection point and a label indicating the pressure range.
    A Caleffi 313 Series 3 Bar Pressure Relief Valve with a red cap on a metallic body, featuring a connection point and a label indicating the pressure range.

    Caleffi 313 Series 3 Bar 1/2" Pressure Relief Valve 313430

    £8.99
    £8.99
    Price excluding VAT: £7.49

    The primary purpose of the Caleffi 313 Series 3 Bar Pressure Relief Valve is to activate when pressure levels surpass safe thresholds, and then deactivate once...
  • Caleffi 1/4 Inch Robocal Automatic Air Vent 502420

    Caleffi 1/4 Inch Robocal Automatic Air Vent 502420

    £9.99
    £9.99
    Price excluding VAT: £8.33

    Caleffi 1/4 Inch Robocal Automatic Air Vent The Caleffi Robocal automatic air vent helps remove trapped air from plumbing and heating systems, supporting efficient operation and...
  • The Caleffi 6 Bar Circlip Pressure Relief Valve (F0000412) with a brass body, red cap and a circlip connection for reliable 15mm installations.
    The Caleffi 6 Bar Circlip Pressure Relief Valve (F0000412) with a brass body, red cap and a circlip connection for reliable 15mm installations.

    Caleffi 6 Bar Circlip Pressure Relief Valve F0000412

    £22.99
    £22.99
    Price excluding VAT: £19.16

    Designed for unvented system, the Caleffi 6 Bar Pressure Relief Valve prevents over-pressurisation and safeguards critical system components When the pressure exceeds 6 Bar, the Caleffi...
  • Altecnic Caleffi 1 Piece 3/8 Bar 22mm Copper Connection Circlip Multibloc
    Altecnic Caleffi 1 Piece 3/8 Bar 22mm Copper Connection Circlip Multibloc

    Caleffi 22mm Circlip Multibloc Control Valve 3 Bar / 8 Bar 533118CST

    £64.99
    £64.99
    Price excluding VAT: £54.16

    Caleffi 22mm Circlip Multibloc Control Valve for Unvented Systems The Caleffi circlip Multibloc regulates mains inlet pressure to an unvented hot water system, helping support controlled...
  • A Caleffi 3 Bar Pressure Relief Valve with a red cap and brass body with a 3/4" MBSP connection
    A Caleffi 3 Bar Pressure Relief Valve with a red cap and brass body with a 3/4" MBSP connection

    Caleffi 311 Series 3 Bar 3/4" Pressure Relief Valve 311530

    £15.49
    £15.49
    Price excluding VAT: £12.91

    The Caleffi 3 Bar Pressure Relief Valve automatically releases excess pressure when it exceeds the 3 Bar limit, ensuring safe operation and protecting unvented plumbing and...
  • Caleffi 8 Bar Circlip Pressure Relief Valve F0000483

    Caleffi 8 Bar Circlip Pressure Relief Valve F0000483

    £24.99
    £24.99
    Price excluding VAT: £20.83

    Precisely activating when pressure exceeds the 8 Bar limit, the Caleffi Circlip Pressure Relief Valve is a safety component designed for unvented systems to prevent overpressure...
  • Caleffi 6 Bar 15mm O-Ring Pressure Relief Valve features a compact brass body with a durable O-ring seal, a 15mm threaded connection
    Caleffi 6 Bar 15mm O-Ring Pressure Relief Valve features a compact brass body with a durable O-ring seal, a 15mm threaded connection

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

    £16.99
    £16.99
    Price excluding VAT: £14.16

    Activating when system pressure exceeds 6 Bar, the Caleffi O-Ring Pressure Relief Valve releases excess pressure to protect the system from damage and over-pressurisation The Caleffi...
  • Caleffi 22mm 3.5/6 Bar Multibloc Inlet Control Group

    Caleffi 22mm 3.5/6 Bar Multibloc Inlet Control Group

    £79.99
    £79.99
    Price excluding VAT: £66.66

    Caleffi 22mm 3.5/6 Bar Multibloc Inlet Control Group The Caleffi 3.5/6 Bar Multibloc inlet control group regulates mains water pressure to suitable unvented hot water systems....
  • The Caleffi 10 Bar 1/2 inch Pressure & Temperature Relief Valve with a red top, brass body, and white probe on white background
    The Caleffi 10 Bar 1/2 inch Pressure & Temperature Relief Valve with a red top, brass body, and white probe on white background

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

    £27.49
    £27.49
    Price excluding VAT: £22.91

    Activating when internal pressure or temperature exceeds safe limits, the Caleffi 10 Bar Pressure & Temperature Relief Valve prevents over-pressurisation and potential system damage The Caleffi...
  • 8 Liter Caleffi buffer tank on a white background
    8 Liter Caleffi buffer tank on a white background

    Caleffi 25 Litre Buffer Vessel 569025

    £206.84
    £206.84
    Price excluding VAT: £172.37

    Efficient System Protection with the 25 Litre Altecnic 569 Buffer Vessel The Altecnic 569 Intermediate Vessel is engineered for reliable performance in domestic and small commercial...
  • 8 Liter Caleffi buffer tank on a white background
    8 Liter Caleffi buffer tank on a white background

    Caleffi 12 Liter Buffer Vessel 569012

    £199.13
    £199.13
    Price excluding VAT: £165.94

    Efficient System Protection with the 12 Liter Altecnic 569 Buffer Vessel The Altecnic 569 Intermediate Vessel is engineered for reliable performance in domestic and small commercial...
  • 8 Liter Caleffi buffer tank on a white background
    8 Liter Caleffi buffer tank on a white background

    Caleffi 8 Litre Buffer Vessel 569008

    £191.46
    £191.46
    Price excluding VAT: £159.55

    Efficient System Protection with the 8 Liter Altecnic 569 Buffer Vessel The Altecnic 569 Intermediate Vessel is engineered for reliable performance in domestic and small commercial...
  • Altecnic Caleffi 6 Bar Pressure Relief Valve with Loose Nut Connection A311501CST

    Altecnic Caleffi 6 Bar Pressure Relief Valve with Loose Nut Connection A311501CST

    £22.99
    £22.99
    Price excluding VAT: £19.16

    Activating precisely when the system exceeds 6 Bar, the Altecnic Caleffi Loose Nut Pressure Relief Valve releases excess pressure to protect the system's components from damage...