Heating & Hot Water

The EPH Controls CP4M is a mains-operated OpenTherm® programmable thermostat, delivering accurate and efficient heating control. Operating at 230Vac, 50Hz, it is ideal for domestic and commercial heating systems seeking energy efficiency and reliable performance.

The Wyndam Branded Build Cert Calmag Chemical Inhibitor (1L) WYN-BC-1000 is a premium solution designed to protect your heating system from scale and corrosion. Formulated to meet BuildCert standards, it ensures optimal performance and longevity of your boiler and radiators. Easy to use and highly effective, this inhibitor is a must-have for maintaining efficient heating systems.

The Wyndam Branded Build Cert Calmag Chemical Inhibitor (500ml) WYN-BC-500 is a premium solution designed to protect your heating system from scale and corrosion. Formulated to meet BuildCert standards, it ensures optimal performance and longevity of your boiler and radiators. Easy to use and highly effective, this inhibitor is a must-have for maintaining efficient heating systems.

The Baxi Avanta PDK 93° Elbow (part number 5121369) is a white plume‑displacement flue bend engineered for seamless integration with Baxi flue and boiler systems. Designed for easy installation, this 93° elbow enables flexible flue routing - especially useful in tight spaces or complex boiler layouts. Compatible with Baxi Multifit flue systems and a wide range of domestic boilers, this compact elbow ensures a neat, secure flue connection and reliable performance.

The Wyndam Branded Mini Compact 22mm Heating Filter is an essential addition to your central heating system, designed to trap debris and sludge effectively. Its compact design fits seamlessly into tight spaces while ensuring optimal performance and improved efficiency. Protect your boiler and radiators from blockages and extend their lifespan with this reliable heating filter, suitable for 22mm pipework.

The Navien 1000mm Flue Extension 60/100 (GXXX002196) is an essential accessory for extending the flue system of Navien boilers, ensuring optimal venting performance. This high-quality, durable extension allows for flexible installation options and is compatible with both gas and oil condensing boilers, making it a versatile choice for any heating setup.

The Tesla TIH 550 Premium 27" Incoloy Immersion Heater & Thermostat is a high-performance water heating solution, designed to deliver efficient, reliable, and long-lasting results. Constructed from premium incoloy, this 27-inch immersion heater offers outstanding corrosion resistance and superior scale resistance, making it perfect for hard water environments and high-temperature settings. The integrated thermostat ensures precise temperature control, preventing overheating and optimizing energy consumption. Ideal for vented hot water cylinders, this immersion heater guarantees a consistent supply of hot water for both residential and commercial applications, making it an essential addition to any water heating system.

Worcester Greenstar 8000 Silver 45Deg Flue Bend

Worcester Greenstar 8000 Silver Short Flue Extension Kit 220mm

The Wyndam Branded Calmag Chemical Sludge & Flux Remover – 1ltr is designed to clean and protect your heating system by eliminating sludge, flux, and other debris. Ideal for new and old systems, this powerful formula ensures optimal performance and prevents blockages, extending the lifespan of your system.

The Wyndam Branded Calmag Chemical Sludge & Flux Remover – 500ml is a powerful cleaner for heating systems, effectively removing sludge, flux, and debris. Suitable for both new and older systems, this formula helps improve efficiency and prolongs the lifespan of your system.

The Danfoss RAS‑C2 Radiator Valve Kit (part 013G6005) is a compact, high‑performance radiator valve pack designed for modern two‑pipe domestic heating systems. It includes a built‑in sensor head, a bi‑directional RA‑FS 15 mm angle valve body and matching RLV‑D lockshield valve — ideal for installations where flow direction may vary and easy temperature regulation is required.

The Honeywell Home DU144 22 mm Straight Auto Bypass Valve (DU144A1001) is a robust automatic bypass valve designed to ensure minimum boiler flow, maintain pressure balance and reduce noise in closed‑loop heating systems. With 22mm compression fittings, wide differential pressure range (0.1–0.6 bar) and brass construction, it offers a professional solution for energy‑efficient central heating installations.

The Honeywell Home DU145‑3/4B 22 mm Differential Bypass Valve ensures consistent boiler flow and stable system pressure by automatically regulating differential pressure in heating circuits. With 22 mm compression connections, a wide differential pressure range (0.1‑0.6 bar) and high flow capacity, it is ideal for modern central heating systems requiring reliable bypass control.

The Vaillant Pitched Roof Tile Flexible 303980 is designed for seamless integration into your roofing system, allowing for efficient flue venting through pitched roofs. This high-quality, flexible tile adapts to various roof pitches, ensuring a secure and weather-tight seal. Easy to install and durable, it provides a reliable solution for managing flue gases and maintaining roof integrity.

The Danfoss 087N725100 RET B SPDT Electronic Room Stat provides precise temperature control for optimal comfort. Ideal for residential and commercial use, this digital thermostat ensures efficient energy management.

The Danfoss Aero® Sensor 015G4550 is a built‑in thermostatic sensor head designed to retrofit older Danfoss RA/VL valve bodies. It features a temperature range of 7‑28 °C and gas‑filled bellow technology, making it an efficient solution for controlling radiator output and maintaining comfortable room temperatures.

The Vaillant ecoTEC Flue Support Clips 303821 provide a reliable solution for securing flue pipes in Vaillant ecoTEC boiler installations. Made from durable materials, these clips ensure stable, safe, and long-lasting flue support. Ideal for professional installers and DIY users, they help maintain efficient and compliant boiler operation. Shop Plumbco for trusted Vaillant spare parts with fast delivery.

The Ideal Exclusive Weather Compensation Kit (207672) automatically adjusts your boiler’s heating output based on outdoor temperatures, improving efficiency and comfort throughout the home. Designed for compatibility with Ideal Exclusive boilers, this easy-fit control helps reduce energy use, enhances boiler performance and supports more consistent heating in changing weather conditions. A smart and reliable upgrade for improved efficiency and lower heating bills.