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    Heating & Hot Water

    Explore Plumbco's Heating & Hot Water category for a comprehensive range of solutions. From top-quality boilers and cylinders to controls, valves, and water treatment products, we have everything you need for efficient and reliable home heating and hot water systems. Discover our selection of flues, accessories, and vessels designed to meet your specific needs.

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    Quorn Square Ladder Radiator (500x1420x30mm) - Anthracite

    Quorn Square Ladder Radiator (500x1420x30mm) - Anthracite

    PLU0102990
    The Quorn Square Ladder Radiator (500 x 1420mm) in a sleek anthracite finish delivers powerful and stylish heating for modern bathrooms. With a heat output of 2887 BTUs (846W), it efficiently warms your space while doubling as a practical heated towel rail. Compatible with central heating systems and adaptable for electric or dual fuel installation, this model replaces the discontinued DIRA0130 and comes with a 5-year guarantee for long-term reliability.
    £172.14 incl tax
    VAILLANT : 0020035222 Description: GAS SECTION

    VAILLANT : 0020035222 Description: GAS SECTION

    0020035222
    The Vaillant Gas Section Assembly 20035222 is a genuine boiler replacement component designed to control gas regulation and flow in compatible Vaillant condensing boilers. Ideal for maintenance and repair of central heating systems, this authentic spare supports safe combustion performance and long‑lasting reliability for UK heating installations.
    £258.05 incl tax
    Vaillant Support Kit

    Vaillant Support Kit

    178965
    Genuine Vaillant 178965 Support Bracket for compatible ecoTEC Plus, ecoTEC Pro and ecoTEC Exclusive boilers. This boiler support forms part of the hydraulic connection assembly, helping secure and connect key internal components.
    £74.45 incl tax
    Glowworm Water Valve

    Glowworm Water Valve

    0020026413
    This genuine Glow-worm water valve (0020026413) is a diverter valve designed for use in Ultracom and Flexicom boilers. It controls the flow between central heating and domestic hot water, ensuring efficient boiler operation and reliable temperature regulation. Ideal for repairing common CH/DHW changeover faults.
    £79.26 incl tax
    Grant Flow Switch Serial Number Dependant

    Grant Flow Switch Serial Number Dependant

    MPCBS71NT
    The Grant Flow Switch MPCBS71NT is a genuine replacement part designed for use with the Grant Vortex Pro Combi 36 (pre 15/05/08). This essential boiler component monitors water flow within the heating system, helping ensure safe and efficient operation. Ideal for boiler repairs and servicing, it supports reliable central heating performance in UK homes.
    £101.76 incl tax
    Kartell Brushed Brass Straight Radiator Valves

    Kartell Brushed Brass Straight Radiator Valves

    BRASS-STR
    The Kartell Brass Radiator Valve Straight 15mm (Pair) offers durable, high-quality control for your radiator system. Designed for precise temperature management, these straight valves combine functionality with a classic brass finish, ideal for modern and traditional UK homes.
    £42.52 incl tax
    UFHTHIMW

    Polypipe Single Zone Thimble Sensor

    UFHTHIMW
    The Polypipe UFHTHIMW Single Zone Thimble Sensor provides accurate temperature monitoring for single zone underfloor heating systems. Designed for reliable performance, it ensures efficient heating control and enhanced energy efficiency in both residential and commercial installations.
    £29.01 incl tax
    Vaillant Sealing Ring

    Vaillant Sealing Ring

    178969
    Genuine Vaillant 178969 Packing Ring, supplied as a pack of 10. These black sealing rings are used within compatible Vaillant boiler hydraulic and hydroblock connections to create secure, leak-resistant joints between components and pipework. Compatible with a wide range of ecoTEC, ecoFIT Pure and Vaillant boilers.
    £8.90 incl tax
    Baxi Rigid Filling Loop 720808301

    Baxi Rigid Filling Loop 720808301

    720808301
    The Baxi CQI rigid filling loop 720808301 is a genuine Baxi boiler accessory designed for safe and reliable system pressure topping up. Compatible with Baxi 800 Range, Duo-tec, Main Eco and other ErP boilers.
    £90.77 incl tax
    Kartell Times Cross Head Straight Radiator Valves 15mm - Chrome

    Kartell Times Cross Head Straight Radiator Valves 15mm - Chrome

    CROSS-STR
    The Kartell Cross Head Radiator Valve Straight (Pair) combines classic design with precise heating control. Crafted for durability and easy installation, these straight valves are perfect for adding a traditional touch while maintaining efficient temperature management in UK radiators.
    £27.30 incl tax
    Vaillant Plate Heat Exchanger 20 Plate

    Vaillant Plate Heat Exchanger 20 Plate

    178973
    Genuine Vaillant 178973 Heat Exchanger replacement for compatible ecoTEC Plus boiler variants. Designed to transfer heat efficiently within the boiler, helping restore reliable central heating and domestic hot water performance.
    £169.55 incl tax
    Vaillant Printed Circuit Board

    Vaillant Printed Circuit Board

    0010028086
    The Vaillant 0010028086 Printed Circuit Board (PCB) is a genuine replacement part for ecoTEC VU, ecoTEC VUW, ecoTEC VUI condensing boilers and select Guernsey/Jersey models. This essential Vaillant spare ensures reliable electronic control, optimising boiler performance and efficiency for UK central heating and hot water systems.
    £288.00 incl tax
    1/4" 0-6 Pressure Gauge Bottom Inlet

    1/4" 0-6 Pressure Gauge Bottom Inlet

    WI-557306
    This Altecnic 0–6 bar pressure gauge (WI-557306) features a 50mm dial and 1/4" bottom connection, designed for accurate monitoring of system pressure in heating and plumbing installations. Ideal for boilers, central heating systems and general pressure measurement, it ensures safe and efficient system performance.
    £20.36 incl tax
    Kartell Design Style 15mm TRV Angled & Lockshield - Twin Pack - Chrome

    Kartell Design Style 15mm TRV Angled & Lockshield - Twin Pack - Chrome

    CR-TRV301A
    The Kartell Design Twin Pack TRV in chrome features angled thermostatic radiator valves and lockshield pair for precise heating control. With a sleek chrome finish, durable construction, and easy installation, it’s ideal for modern UK radiators and heated towel rails.
    £88.20 incl tax
    PB970055

    PB970055 - Stainless Steel Manifold Control Pack

    PB970055
    The Polypipe PB970055 Stainless Steel Manifold Control Pack is a premium all‑in‑one solution designed for stainless steel UFH (under‑floor heating) manifolds. It includes an EUP pump, UFCH mixer valve, bend and adaptors, offering precise flow and temperature control for underfloor systems. Built for durability and seamless integration with stainless steel manifolds only, this control pack delivers reliable performance and straightforward installation in one compact unit.
    £385.66 incl tax
    Vaillant PCB Borad (Ecotec)

    Vaillant PCB Borad (Ecotec)

    0020132764
    The Vaillant 0020132764 Printed Circuit Board (PCB) is a genuine replacement for ecoTEC VU, ecoTEC VUW, and ecoTEC VUI condensing boilers. This essential Vaillant spare ensures reliable electronic control, optimising boiler performance, efficiency, and safe operation in UK central heating and hot water systems.
    £303.20 incl tax
    Vaillant Pressure Relief Valve 3 Bar

    Vaillant Pressure Relief Valve 3 Bar

    178985
    Genuine Vaillant 178985 3 Bar Pressure Relief Valve for compatible Vaillant boilers. Designed to release excess system pressure and protect the heating appliance from pressure build-up. Suitable for a wide range of ecoTEC, ecoFIT Pure and other Vaillant boiler models.
    £18.19 incl tax
    35mm LEVER BALL VALVE RED

    35mm Red Lever Ball Valve

    BFLBVR-35
    This 35mm red lever ball valve (BFLBVR-35) is a durable brass isolation valve designed for controlling water flow in plumbing and heating systems. Featuring a quarter-turn lever operation, it allows quick shut-off for maintenance, repairs and emergency isolation in domestic and commercial installations.
    £37.80 incl tax
    ARISTON : 65109138-03 Description: PRINTED CIRCUIT BOARD (MAIN) was 65109138-02 now 65109138-03

    ARISTON : 65109138-03 Description: PRINTED CIRCUIT BOARD (MAIN) was 65109138-02 now 65109138-03

    65109138-03
    The Ariston 65109138-03 printed circuit board (PCB) is a genuine replacement boiler control component designed for reliable system operation. Ideal for restoring performance in compatible Ariston boilers, this OEM PCB ensures efficient heating control and dependable long-term use.
    £278.13 incl tax
    Ideal Halo Combi 2-Zone Upgrade Kit 222144

    Ideal Halo Combi 2-Zone Upgrade Kit 222144

    222144
    The Ideal Halo Combi 2-Zone Upgrade Kit is designed to upgrade a compatible Ideal Halo Combi RF or Halo Combi Wi-Fi heating control system, allowing two separate heating zones to be controlled independently.

    The kit includes an additional programmable room thermostat and Smart Wiring Centre to support the extra heating zone. Its wireless Zigbee communication helps connect the thermostat and wiring centre, while the compatible Halo system provides flexible heating control. When used with the Halo Combi Wi-Fi system, supported smart features such as app control, geolocation and voice assistant compatibility may also be available.

    The kit is designed for selected Ideal boiler models and provides a practical way to extend a compatible Halo Combi installation to two-zone heating control.
    £205.27 incl tax