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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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    Fernox Cleaner F3 265ml Central Heating Cleaner 62455

    Fernox Cleaner F3 265ml Central Heating Cleaner 62455

    BF - 62455
    Fernox Cleaner F3 265ml is a universal, fast-acting, pH-neutral cleaner designed to remove sludge, limescale and installation debris from central heating systems.

    Suitable for both new and existing heating systems, Cleaner F3 helps remove contaminants that can affect heating efficiency and contribute to boiler noise. It can also be used when pre-commissioning new systems to remove flux residues and other installation debris in accordance with BS 7593:2019.

    Compatible with all metals and materials commonly used in heating systems, including aluminium, Fernox Cleaner F3 can be used with manual or magnetic flushing methods and with powerflushing equipment where systems are heavily contaminated.

    One 265ml bottle treats an average domestic heating system of up to 100 litres, up to 12 radiators or 190m² of underfloor heating. It can also be dosed through a Fernox TF1 filter.
    £41.68 incl tax
    IDEAL - 176063 HEAT ENGINE KIT H/O

    IDEAL - 176063 HEAT ENGINE KIT H/O

    176063
    Genuine Ideal Heating 176063 Heat Engine Kit H/O for compatible Logic Heat, Logic+ Heat and Logic Max Heat boilers. A replacement boiler heat engine and heat exchanger assembly designed to restore reliable heating performance.
    £688.90 incl tax
    Kartell Modern Round Straight Radiator Valves 15mm - Chrome (25)

    Kartell Modern Round Straight Radiator Valves 15mm - Chrome (25)

    KART-STR
    The Kartell Modern Round Straight Radiator Valves (15mm - Chrome) are the perfect blend of style and practicality, designed to enhance the performance of your heating system. Made from high-quality materials with a polished chrome finish, these valves provide easy flow control for your radiators. Suitable for both new installations and replacements, they add a modern touch to any room while ensuring optimal heating efficiency.
    £13.68 incl tax
    Kartell Premium 300 x 1200 (25MM) CP Curved Towel Rail

    Kartell Premium 300 x 1200 (25MM) CP Curved Towel Rail

    25CTR312C
    Enhance your bathroom with the sleek and modern Kartell K-Rail Chrome Curved 25mm Towel Rail in a stunning chrome finish. Measuring 300 × 1200 mm, this vertical heated towel rail delivers stylish warmth and efficient towel drying while complementing contemporary bathroom décor. Built from durable mild steel with a glossy chrome coating, it’s pressure tested and supplied with fixings for straightforward installation.
    £64.26 incl tax
    Pegler Mistral II 15mm x 1/2 Angled TRV & L/Shield Drain Off Valve

    Pegler Mistral II 15mm x 1/2 Angled TRV & L/Shield Drain Off Valve

    42254
    The Pegler Mistral TRV LS FM 15xR1/2 (42254) delivers precise thermostatic control for UK central heating systems. Its angled design with lockshield ensures even radiator flow, while the compact, durable build allows easy installation and reliable performance - ideal for radiator upgrades or replacements.
    £43.69 incl tax
    Potterton Assure 36kw Combi Boiler 7692619

    Potterton Assure 36kw Combi Boiler 7692619

    7692619
    The Potterton Assure 36kW Combi Boiler (7692619) is an A-rated condensing gas boiler designed to provide efficient central heating and instant hot water. With a 15L/min hot water flow rate, compact wall-mounted design and cupboard-fit installation, it is ideal for larger homes and higher hot water demand.
    £2,219.78 incl tax
    Vaillant Ecotec Service Cock

    Vaillant Ecotec Service Cock

    0020010296
    Genuine Vaillant ecoTEC Exclusive / ecoTEC Plus VU and VUW Service Cock Kit 0020010296. This replacement isolation valve kit controls water and gas flow during servicing, maintenance and emergency shut-off situations.
    £49.25 incl tax
    Altecnic Diaph. Safety Rel.Valve 1/2"M 2.5 Bar

    Altecnic Diaph. Safety Rel.Valve 1/2"M 2.5 Bar

    312425
    The Altecnic Safety Relief Valve Series 312 312425 1/2″ x 1/2″ 2.5 Bar ensures safe and reliable pressure control in heating systems. Ideal for boilers and plumbing applications, it delivers consistent performance and system protection.
    £10.62 incl tax
    Isar M Series Printed Circuit Board PCB

    Isar M Series Printed Circuit Board PCB

    172490
    Genuine Ideal 172490 printed circuit board (PCB) primary controls kit for compatible Ideal boilers. Designed to monitor and control boiler functions through thermostats, sensors and switches. Suitable for Ideal Classic M3050, Classic M3080, ICOS M3080, ICOS System M3080 and ISAR M30100 models.
    £336.26 incl tax
    Kartell Premium 400 x 750 (25MM) CP Curved Towel Rail

    Kartell Premium 400 x 750 (25MM) CP Curved Towel Rail

    25CTR408C
    Upgrade your bathroom with the Kartell 25mm Curved Towel Rail 400 × 800 mm in polished chrome — a stylish, space‑saving heated towel radiator that keeps towels warm, dry and ready. Designed for modern bathrooms, this compact curved towel rail delivers efficient heat distribution and easy wall‑mount installation, blending sleek design with everyday practicality.
    £54.18 incl tax
    Main Eco Compact 30kW Combi Boiler Only

    Main Eco Compact 30kW Combi Boiler Only

    7714161
    The Main Eco Compact 30kW Combi Boiler (7714161) is an A-rated natural gas combi boiler designed for efficient central heating and hot water. With a 12.2L/min hot water flow rate, compact cupboard-fit design, low NOx Class 5 emissions and a 5-year warranty, it offers reliable performance and straightforward installation.
    £2,679.44 incl tax
    Pegler Mistral II 15mm Straight TRV CP With Pushfit ELbows

    Pegler Mistral II 15mm Straight TRV CP With Pushfit ELbows

    42296
    The Pegler Mistral TRV FM 15x10 (42296) is a high-quality thermostatic radiator valve designed for precise temperature control in UK central heating systems. Its angled 15x10mm design ensures easy installation and reliable radiator balancing, making it ideal for both upgrades and replacements.
    £37.43 incl tax
    Vaillant Plate Heat Exchanger 13 Plate

    Vaillant Plate Heat Exchanger 13 Plate

    0020020018
    Genuine Vaillant Domestic Hot Water 13 Plate Heat Exchanger 0020020018 for compatible Vaillant combi boilers. This replacement secondary heat exchanger transfers heat between heating and hot water systems for reliable hot water performance.
    £125.54 incl tax
    Alpha Etec 33kw combination boiler - 7 Year

    Alpha Etec 33kw combination boiler - 7 Year

    3.027375
    The Alpha E-Tec 33kW Combi Boiler (3.027375) is an A-rated natural gas condensing boiler designed to provide efficient central heating and hot water. With a 32kW domestic hot water output, 29.7kW central heating output and 14.1L/min flow rate, its compact 712 x 440 x 255mm design is ideal for small to medium-sized homes. Supplied with a 7-year warranty.
    £1,374.14 incl tax
    Altecnic Ecopas Bypass Valve 22mm 519002

    Altecnic Ecopas Bypass Valve 22mm 519002

    519002
    The Altecnic Series 519 Ecopas Full Flow Differential Bypass Valve 519002 is designed for efficient pressure control in central heating systems. With 22mm compression ends and adjustable settings, it ensures reliable performance and system protection.
    £36.01 incl tax
    Kartell Premium 400 x 1000 (25MM) CP Curved Towel Rail

    Kartell Premium 400 x 1000 (25MM) CP Curved Towel Rail

    25CTR410C
    Elevate your bathroom with the Kartell 25mm Curved Towel Rail 400 × 1000 mm in a sleek chrome finish — a stylish heated towel radiator that keeps towels warm, dry and fresh. Perfect for modern bathrooms, this curved towel rail blends contemporary design with efficient heating, making it a practical and attractive addition to your bathroom décor.
    £60.48 incl tax
    Pegler Mistral TRV 15mm CP cw 15x10 Elb

    Pegler Mistral TRV 15mm CP cw 15x10 Elb

    42295
    The Pegler Mistral angled thermostatic radiator valve with elbow 15x10mm Chrome (42295) offers precise temperature control and efficient radiator balancing for UK central heating systems. With a durable chrome finish and integrated elbow for easy installation, it’s ideal for upgrading or replacing radiator valves in modern heating setups.
    £37.43 incl tax
    Vaillant 837 Secondary Heat Exchange

    Vaillant 837 Secondary Heat Exchange

    0020025041
    Genuine Vaillant Domestic Hot Water Heat Exchanger 0020025041 for ecoTEC Plus 837 and ecoTEC Plus 937 combi boilers. This secondary heat exchanger transfers heat between heating and hot water systems for efficient domestic hot water performance.
    £198.69 incl tax
    Alpha Evoke 28NX Nat Gas Combi Boiler

    Alpha Evoke 28NX Nat Gas Combi Boiler

    3.033114
    The Alpha Evoke 28NX 28kW Combi Boiler (3.033114) is an A-rated gas condensing boiler designed for efficient central heating and domestic hot water. Featuring a 12.1L/min hot water flow rate, stainless steel heat exchanger, 1:6 modulation and compact 712 x 440 x 255mm dimensions, it is ideal for cupboard installation and modern heating systems. Supplied with a 7-year warranty.
    £1,226.40 incl tax
    Altecnic 688100 Temperature Gauge 1/2" Bottom Connection

    Altecnic 688100 Temperature Gauge 1/2" Bottom Connection

    688100
    The Altecnic Temperature Gauge 688100 features a ½″ bottom connection and provides accurate temperature monitoring for boilers and central heating systems. Reliable and easy to install, it’s ideal for heating applications.
    £83.21 incl tax