Discover Plumbco’s extensive Boilers category, featuring top brands such as Glowworm Energy, Ideal Logic, Ideal Vogue, Vaillant ecoTEC, and Worcester Greenstar. Our selection includes high-efficiency combi, system, and heat-only boilers to suit every home and heating requirement. Find the perfect boiler for your needs, ensuring reliable and efficient performance.
The Baxi Interpart Flowswitch (Altecnic AL300011, Manufacturer Code: 242459) is a reliable safety device designed for use in various Baxi boiler models, including 100 He, 50 He, Platinum, Promax SL, and more. With a built-in sensor, this flow switch detects water flow in domestic hot water and central heating systems, ensuring safe operation by preventing ignition in low-water or dry conditions. Enhance your boiler's efficiency and safety with this essential component.
The Hotun HW100C 15mm x 22mm Dry Trap Tundish is designed to provide a safe, visible and compliant discharge solution for pressure relief valves on small unvented hot water systems. Featuring an innovative dry trap design, it allows discharge water to connect directly into an internal waste or soil pipe without allowing unpleasant foul odours to escape back into the building.
Suitable for small unvented water heaters with a capacity of less than 15 litres, the Hotun HW100C offers greater flexibility when planning installations. Its design can eliminate the need for a separate external discharge pipe, helping avoid drilling through external walls and providing more options for appliance positioning.
The open-sided tundish design allows discharged water to remain visible, helping installers and property owners identify when a pressure relief valve has operated. With 15mm x 22mm compression connections, a flow capacity of up to 12 litres per minute and WRAS approval, it provides a practical solution for compatible installations.
The Vaillant HE 125 mm Flue Extension (970 mm, Part No. 303203) provides a reliable and simple way to lengthen your boiler’s flue system. Compatible with high‑efficiency Vaillant ecoTEC and HE boiler models, its white polypropylene construction and push‑fit connectors make installation quick and secure, while maintaining correct plume discharge for vertical or horizontal configurations.
The Ideal Heating Logic Combi ESP1 35kW Natural Gas to LPG Conversion Kit (215752) is a genuine manufacturer conversion kit designed for compatible Ideal Logic Combi ESP1 35kW boilers. It enables conversion from natural gas to liquefied petroleum gas (LPG) using the specified components supplied in the kit.
The kit includes a preset gas valve, burner injector, washers, O-rings and conversion instructions, along with replacement data plate labels identifying the boiler's LPG configuration. The preset gas valve is designed to retain its specified non-adjustable operation.
This kit is intended for the specific compatible boiler model and should not be assumed suitable for every Ideal Logic boiler. Check the exact boiler model and manufacturer's instructions before ordering.
The Ideal Logic/Independent Domestic Expansion Vessel Kit 205419 is a comprehensive sealed-system spare kit tailored for Ideal Logic, Independent (and compatible) boilers. It includes a fill-loop, pressure relief valve and gauge to maintain correct system pressure and safeguard boiler performance in domestic hot water circuits.
The Ideal Logic Max Combi C30 LPG Conversion Kit 219125 safely and efficiently converts your existing C30 boiler to run on LPG. Designed by Ideal for perfect compatibility, this genuine kit ensures reliable performance, optimal combustion, and full compliance with gas regulations—ideal for off-grid homes and professional installers looking for a dependable LPG solution.
The Ideal Logic2 35kW LPG Kit 233048 allows for safe and efficient conversion of Ideal Logic2 boilers to LPG fuel. Designed for straightforward installation, this kit ensures optimal boiler performance, energy efficiency, and compliance with industry standards, making it ideal for domestic and commercial heating applications.
The Honeywell Home Sundial Wiring Centre 42005748‑001 is a dedicated junction box designed for domestic central‑heating control systems. With 37 clearly labelled single‑wire terminals, a fire‑retardant PC‑ABS enclosure and support for S‑Plan, Y‑Plan and C‑Plan configurations, it streamlines installations and helps reduce wiring errors.
The Honeywell Home Actuator for V4043H (40003916‑001/U) is a genuine replacement powerhead designed to fit the V4043H series two‑port motorised zone valves. Compatible with UK 230 V systems, it features a manual lever, spring‑return mechanism and quick‑swap fitment without full system drainage — ideal for fast, professional repairs.
The Altecnic Ecofil Plus Filling Loop CA-300611 (15mm) includes caps and collars for secure installation. Designed for safe boiler pressure top-up, it’s suitable for central heating systems and compliant plumbing installations.
The Vaillant 193593 Fan is a genuine replacement fan for ecoTEC VU, ecoTEC VUW and ecoTEC VUI condensing boilers. Engineered for reliable airflow and optimal combustion efficiency, this Vaillant branded spare ensures your central heating system runs smoothly and safely — ideal for maintenance, repair and boiler servicing in domestic UK heating installations.
This genuine Ideal Heating heat engine gasket kit (manufacturer code: 175618) is designed for the gas assembly in a wide range of boilers including Ideal Esprit, Logic, Logic+, Independent, Instinct, Keston Combi, Procombi, Classic and more. A high-quality replacement gasket kit for maintaining safe and efficient boiler performance, ideal for heating engineers and repair professionals.
This genuine Keston ignitor kit (manufacturer code: C17234000) comes complete with gasket and is designed for the pilot assembly of Keston C boilers. A reliable replacement ignition component, it ensures safe and efficient boiler start-up performance, making it ideal for heating engineers and boiler repairs.
This genuine Baxi Main electrode set (7216299) is designed for use with Main Eco, EcoBlue and Heat boilers. A complete replacement ignition and flame sensing electrode kit, it helps maintain reliable boiler ignition and efficient heating performance. Ideal for boiler servicing, repairs and heating engineers.
This genuine Viessmann heating flow pipe (7828636) is designed for the pipework system of Viessmann Vitodens boilers. A high-quality replacement boiler component, it helps maintain efficient water circulation and reliable central heating performance. Ideal for boiler servicing and professional heating repairs.
This genuine Vaillant packing rings kit (981151) includes 10 replacement seals designed for use in the heat exchanger of various Vaillant boilers, including ecoTEC, ecoMAX, TURBOmax, THERMOcompact and aquaPLUS models. Ideal for maintaining secure boiler connections and efficient heating system performance during servicing and repairs.
This genuine Vaillant pressure gauge (0020147866) is designed for use in the hydraulics of Vaillant ecoTEC Plus and ecoTEC Pro boilers. A reliable replacement component for monitoring boiler pressure, it helps maintain safe and efficient central heating system performance. Ideal for boiler servicing and repair work.
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.
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.
This genuine Worcester Bosch domestic hot water (DHW) tank temperature sensor (87145000810) is designed to accurately monitor water temperature within compatible heating systems. Essential for efficient boiler and hot water control, it ensures reliable performance and safe operation. Ideal for servicing and replacing faulty DHW sensors in Worcester Bosch systems.