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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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    Rubber cartridge RC1 (Single)

    Rubber cartridge RC1 (Single)

    RC1
    The Inventive Creations RC1 Tap Cartridge (sold separately) is a high-quality replacement component designed for a wide range of bathroom and kitchen taps. Built for durability and smooth operation, this universal tap cartridge helps restore efficient water flow and fix leaking or faulty taps across UK plumbing systems.
    £3.48 incl tax
    Vaillant Heat Exchanger Turbomax 828E

    Vaillant Heat Exchanger Turbomax 828E

    104596
    Genuine Vaillant 104596 Heat Exchanger Complete 28kW replacement component for compatible Vaillant boilers. Designed to provide efficient heat transfer within the heating system, helping restore reliable central heating and hot water performance.
    £266.46 incl tax
    Patterned Anthracite Radiator Valves - Corner

    Patterned Anthracite Radiator Valves - Corner

    PLU0103017
    The Patterned Anthracite Corner Radiator Valves combine contemporary style with practical functionality, perfect for connecting radiators in compact spaces. Featuring 15mm connectors and a sleek anthracite finish, these valves come as a pair and are compatible with standard central heating systems. They also include a 1-year guarantee for peace of mind.
    £35.01 incl tax
    Baxi DHW Diaphragm

    Baxi DHW Diaphragm

    248838
    This genuine Baxi 248838 DHW/Diff diaphragm is designed for use in Baxi Combi Instant and Performa boilers. It plays a key role in regulating domestic hot water flow and ensuring efficient boiler operation. A reliable replacement part for servicing and repairing compatible Baxi combi boilers.
    £12.27 incl tax
    ECO TAP5 - 5 Litre Flow Restrictor

    ECO TAP5 - 5 Litre Flow Restrictor

    ECO TAP5
    The Bristan Flow Straightener (ECO TAP5) is a genuine Bristan spare designed to help regulate and optimise water flow from taps. Ideal for bathroom and kitchen tap maintenance, it supports efficient performance in modern UK homes.
    £4.37 incl tax
    Rubber cartridge RC2 (Single)

    Rubber cartridge RC2 (Single)

    RC2
    The Inventive Creations RC2 Tap Cartridge (sold separately) is a reliable universal replacement for a wide range of bathroom and kitchen taps. Designed for smooth operation and long-lasting durability, it helps fix leaking or faulty taps and restore efficient water control across UK plumbing systems.
    £3.31 incl tax
    Vaillant Digital Room Thermostat Stat VRT50/2 - 0010038663

    Vaillant Digital Room Thermostat Stat VRT50/2 - 0010038663

    105014
    The Vaillant VRT50 Digital Room Thermostat 0010038663 provides simple, accurate control of your heating system. Designed for compatible Vaillant boilers, this digital room thermostat helps maintain a comfortable indoor temperature while supporting efficient heating control.
    £86.04 incl tax
    Vaillant Packing Ring

    Vaillant Packing Ring

    106563
    Genuine Vaillant 106563 Packing O-Ring Black, also known as a DN60 EPDM sealing ring. Designed to provide a secure seal between compatible boiler pipework and components, helping prevent gas or water leaks.
    £7.94 incl tax
    Square Chrome Radiator Valves - Straight

    Square Chrome Radiator Valves - Straight

    PLU0103018
    The Square Chrome Straight Radiator Valves deliver modern style and reliable performance for your heating system. Compatible with standard central heating, these 15mm connector valves come as a pair and feature a sleek square chrome design, making them a perfect choice for contemporary interiors. Backed by a 1-year guarantee for peace of mind.
    £31.43 incl tax
    ECO TAP6 - 6 Litre Flow Restrictor

    ECO TAP6 - 6 Litre Flow Restrictor

    ECO TAP6
    The Bristan Flow Straightener (ECO TAP6) is a genuine spare part designed to regulate and improve water flow from taps. Ideal for bathroom and kitchen tap maintenance, it supports efficient performance and reliable operation in UK plumbing systems.
    £4.37 incl tax
    Heatrae Sadia Thermostat Road 11" Coetherm

    Heatrae Sadia Thermostat Road 11" Coetherm

    95980025
    This genuine Heatrae Sadia 11" rod type thermostat (95980025) is designed for use with Heatrae Sadia FBM water heaters. It provides accurate temperature control to ensure safe and efficient hot water performance. A reliable replacement thermostat ideal for servicing and maintenance of commercial and domestic water heating systems.
    £46.43 incl tax
    Rubber cartridge RC3 (Single)

    Rubber cartridge RC3 (Single)

    RC3
    The Inventive Creations RC3 Tap Cartridge (sold separately) is a durable universal replacement designed for a wide range of bathroom and kitchen taps. Built for smooth performance and long service life, it helps repair leaking or faulty taps and restore efficient water flow across UK plumbing installations.
    £3.31 incl tax
    Vaillant Control Knob Green (3 Set)

    Vaillant Control Knob Green (3 Set)

    114286
    Genuine Vaillant 114286 green control knob set, supplied as 3 knobs with lever. Designed for compatible Vaillant boilers including TURBOmax and THERMOcompact models, these replacement boiler controls allow manual adjustment of appliance functions.
    £19.46 incl tax
    Square Chrome Radiator Valves - Angled

    Square Chrome Radiator Valves - Angled

    PLU0103019
    The Square Chrome Angled Radiator Valves combine sleek, contemporary design with reliable functionality for your heating system. Featuring 15mm connectors and a polished chrome finish, these valves come as a pair and are compatible with standard central heating systems. Backed by a 1-year guarantee for peace of mind.
    £31.43 incl tax
    Rubber cartridge RC4 (Single)

    Rubber cartridge RC4 (Single)

    RC4
    The Inventive Creations RC4 Tap Cartridge (sold separately) is a high-quality universal replacement designed for a wide range of bathroom and kitchen taps. Engineered for smooth operation and durability, it helps repair leaking or faulty taps and restore reliable water flow across UK plumbing systems.
    £3.31 incl tax
    VAILLANT : 130438 Description: PRINTED CIRCUIT BOARD

    VAILLANT : 130438 Description: PRINTED CIRCUIT BOARD

    130438
    Genuine Vaillant 130438 Printed Circuit Board replacement for compatible ThermoCompact and TURBOmax boilers. The PCB acts as the boiler's central control unit, monitoring sensors, thermostats and safety functions to support reliable operation.
    £304.80 incl tax
    Square Chrome Radiator Valves - Corner

    Square Chrome Radiator Valves - Corner

    PLU0103020
    The Square Chrome Corner Radiator Valves offer a practical and stylish solution for connecting radiators in tight spaces. Featuring 15mm connectors and a sleek chrome finish, these valves come as a pair and are compatible with standard central heating systems. Backed by a 1-year guarantee for peace of mind.
    £42.14 incl tax
    Altecnic 15mm Robocal Bottle Automatic Air Vent

    Altecnic Series 502 Minical 15mm Automatic Air Vent – 502649

    502649
    The Altecnic Series 502 Minical Automatic Air Vent is designed to automatically remove unwanted air from sealed heating and air conditioning systems, helping maintain efficient system operation without the need for manual adjustment.

    Excessive air within a heating or cooling system can cause unwanted noise, affect the accuracy of control valves and reduce the performance of system components. The Altecnic Minical automatic air vent continuously releases accumulated air, helping to maintain system efficiency and reliability.

    During system filling, the air vent releases trapped air and then automatically closes to help prevent water escaping from the system.

    Featuring a 15mm compression connection, the Series 502 Minical is suitable for compatible plumbing, heating and air conditioning installations. It can also operate with water and glycol solutions containing up to 30% glycol.
    £29.93 incl tax
    Baxi 3 Way Valve Ass.

    Baxi 3 Way Valve Ass.

    248727
    This genuine Baxi 3-way diverter valve assembly (248727) is designed for use in Baxi Combi Instant boilers including 105, 105 HE, 80 and 80E models. The diverter valve directs hot water between central heating and domestic hot water systems, ensuring efficient combi boiler performance. Ideal for boiler repairs and servicing.
    £161.63 incl tax
    Heron Round Ladder Radiator (500x800x50mm) - Chrome

    Heron Round Ladder Radiator (500x800x50mm) - Chrome

    PLU0102983
    The Heron Round Ladder Radiator (500x800x50mm) in polished chrome delivers 912 BTU/hr (267 W) of efficient warmth, perfect for bathrooms, cloakrooms or ensuites. Its sleek round ladder‑style design doubles as a stylish heated towel rail and is compatible with central heating systems. Backed by a 5 year guarantee, it combines reliable performance with contemporary, space‑saving elegance.
    £328.57 incl tax