Boilers

The GENBRA 15mm Blow Off Cowl (BFBOC‑15) is a high-quality brass plumbing fitting designed to safely discharge water from 15mm pipe systems. Its robust construction ensures reliable, leak-free performance, making it ideal for maintenance, flushing, or testing of domestic and commercial hot and cold water installations.

Ensure your boiler and central heating system stay safe and efficient with the Fernox System Health Check Kit (61161). This convenient postal testing service provides a full laboratory analysis of your system water, identifying corrosion, debris, and chemical imbalances. Fast results, expert recommendations, and online access make it an essential tool for long-term boiler health and protection.

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 White 100C HW100C dry trap tundish (15mm x 22mm) provides a visible and reliable air gap for heating and hot water systems. Compact and durable, it ensures safe, compliant drainage from boilers and pipework.

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.

Ensure a tight, leak-proof seal in your flue system with the Vaillant 981253 Sealing Ring (EPDM, DN 80 x 16). This genuine Vaillant spare is made from durable EPDM material, designed specifically to fit flue pipes of 80 mm diameter and 16 mm depth. Replacement sealing rings like this prevent gas leaks, maintain boiler efficiency, and help comply with safety and flue regulations. Ideal for ecoTEC, ecoFIT, or other Vaillant boiler models requiring the DN 80 flue element.

The Ideal Logic Combi ESP1 35 NG to LPG Conversion Kit (215752) provides a simple and reliable way to convert your Ideal Logic Combi ESP1 35 kW boiler from natural gas to LPG. Designed for perfect compatibility and long-term performance, this genuine Ideal part ensures safe, efficient heating in off-grid or rural homes without mains gas access.

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.