Heating & Hot Water

The Tesla TIH 535 Premium 36" Copper Immersion Heater & Thermostat is a high-performance, energy-efficient solution for providing consistent and reliable hot water in domestic and commercial settings. Manufactured from premium-grade copper, this 36-inch immersion heater offers exceptional heat transfer and corrosion resistance, ensuring long-lasting durability. The integrated thermostat provides precise temperature control, preventing overheating and optimising energy consumption. Designed for use in vented hot water cylinders, this immersion heater is easy to install and guarantees efficient water heating for high-demand systems.

Ensure optimal water flow and prevent scale buildup with the Calcombi CalMag 15mm Compression Scale Reducer. Designed to fit seamlessly into your plumbing system, this scale reducer effectively reduces limescale formation, extending the lifespan of appliances and improving water efficiency.

The Wyndam Branded Calmag Chemical Noise Silencer (1ltr) is expertly formulated to enhance the performance of both new and existing heating systems. This powerful flocculent shifts particles of silt, sludge, and sand, effectively reducing noise and improving efficiency. Just a quarter bottle is sufficient for an average domestic system, making it an economical solution for a quieter home. Experience smoother operation and prolonged equipment lifespan with this essential additive.

The Wyndam Branded Calmag Chemical Noise Silencer (500ml) is specially formulated to reduce noise in central heating systems. This powerful additive helps to eliminate air bubbles and minimize water turbulence, ensuring a quieter and more efficient operation. Easy to use, this 500ml bottle is perfect for both new and existing systems, enhancing comfort in your home while prolonging the life of your heating equipment.

The Danfoss Cylinder Thermostat 041E0010 is a robust electro‑mechanical surface‑mounted device designed to monitor and regulate hot water cylinder temperatures from 30 °C to 90 °C. Supplied with a spring‑clamp fixing strap for easy installation to the cylinder wall, it offers dependable switching to safeguard systems from overheating or under‑temperature conditions.

The Plasson 3407 20 mm Compression Stop Tap (PV03407020) is a high-performance, WRAS-approved stopcock valve for MDPE water pipe systems. With compression ends and a captive O-ring, it delivers a secure, leak-proof shut-off under up to 16 bar pressure. Designed for potable water and mains applications, this stop tap can be fitted live for fast maintenance or emergency shut-downs. Ideal for plumbers, groundworks & utility contractors looking for reliable MDPE flow control.

The Honeywell Home DT40WT20 Wired Room Thermostat is a white‑finish, wall‑mounted thermostat offering simple on/off control for domestic heating systems, compatible with 24‑230 V boilers and heat pumps. Its slim profile, easy‑read LED display and built‑in eco mode make it a reliable choice for both traditional and modern UK homes.

The Polypipe UFHDIALW Dial Room Thermostat provides accurate and convenient temperature control for domestic and commercial heating systems. Its simple dial design allows easy adjustments to maintain comfortable and energy-efficient environments.

Upgrade your roofing system with the McAlpine RS1 Roof Flashing 18x18 371RS1. Crafted with durable materials, this flashing ensures a watertight seal, safeguarding your home against leaks and water damage. Its 18x18 size makes it suitable for various roof types, providing versatile protection in any environment. Trust McAlpine for reliability and quality in every installation.

The Wyndam Branded Calmag Chemical Powerflush Cleaner & Descaler (RED) – 500ml is a powerful solution designed to thoroughly clean and descale heating systems. It effectively removes sludge, rust, and limescale buildup, improving efficiency and extending the life of your system. Ideal for both new and old systems, this product is essential for maintaining peak performance.

The Danfoss RAS-C2 Bi-Directional Angle TRV (013G6050) includes a RAS-C2 sensor and RA-FS 15 mm valve, offering precise radiator temperature control. Its bi-directional design ensures easy installation on flow or return, helping improve energy efficiency and comfort in your home heating system.

Revitalise your central heating system with CalMag Fortis Chemical Plumbco Powerflush Descaler Red. This 1L descaling solution is specifically designed to remove limescale, rust, and other deposits from your heating system. It effectively cleans and restores system efficiency, improving heat transfer and preventing further corrosion and blockages. Suitable for all types of systems, including open vented, sealed, and combination boilers, CalMag Fortis Chemical Plumbco Powerflush Descaler Red is easy to use and provides exceptional results. Keep your heating system running smoothly and efficiently with this powerful descaler. Shop now at Plumbco Online and enjoy reliable heating performance.

The Tesla TIH 547 Premium 18" Incoloy Immersion Heater & Thermostat is a high-performance, corrosion-resistant water heating element, designed for efficiency, durability, and long-lasting reliability. Made from premium incoloy, this 18-inch immersion heater provides exceptional resistance to corrosion and scaling, making it ideal for hard water areas and high-temperature applications. The built-in thermostat allows precise temperature control, preventing overheating and optimising energy consumption. Designed for use in vented hot water cylinders, this immersion heater is easy to install and ensures a consistent and reliable hot water supply for domestic and commercial use.

The Tesla TIH 505 Copper Immersion Heater with Resettable Thermostat (11") is a high-quality, durable heating element designed for efficient water heating. Crafted from premium copper for excellent thermal conductivity and corrosion resistance, this immersion heater ensures rapid heating and long-lasting performance. The resettable thermostat provides enhanced safety by preventing overheating, making it ideal for both residential and commercial hot water systems. Perfect for use in vented hot water cylinders, this 11-inch immersion heater is a reliable and energy-efficient solution for your heating needs.

Keep your plumbing systems in top condition with the Wyndam Branded Calmag Chemical Corrosion Inhibitor. This 1-liter solution (WYN-INH-1000) effectively prevents corrosion, scale, and rust in heating and cooling systems, ensuring long-lasting efficiency and performance. Easy to use and highly effective, it’s the ideal choice for maintaining your plumbing infrastructure.

The Wyndam Branded Calmag Chemical Corrosion Inhibitor (500ml) - WYN-INH-500 is a premium solution designed to protect your heating system from corrosion and limescale. Ideal for domestic and commercial use, this inhibitor ensures long-lasting performance and efficiency.

The Ignition and Ionisation Electrode with Gaskets and Fittings is a high-quality replacement part for reliable boiler performance. Supplied with a gasket, screws, and cable, it ensures secure installation and efficient ignition and flame detection for your heating system.

The Tesla TIH 525 Premium 27" Copper Immersion Heater & Thermostat is a high-performance and energy-efficient heating element, designed to provide consistent and reliable hot water for domestic and commercial use. Constructed from premium-grade copper, this 27-inch immersion heater ensures superior heat transfer and corrosion resistance, offering long-lasting durability. The integrated thermostat provides precise temperature control, preventing overheating and reducing energy consumption. Ideal for use in vented hot water cylinders, this immersion heater is easy to install and guarantees efficient water heating.

The Drayton TRV4 15mm straight thermostatic radiator valve with integral head offers reliable temperature control for modern heating systems. Its robust design ensures leak-free operation, smooth adjustment, and energy efficiency, while the compact, sleek finish fits seamlessly with any radiator.

The Worcester Greenstar HE Keyless Filling Link (7716192610) is a genuine Worcester Bosch accessory designed to make topping up system pressure fast, simple and mess-free. This high-reliability filling loop provides secure, controlled water flow to your heating system without the need for tools, ensuring safe and straightforward boiler maintenance. Ideal for Greenstar HE boilers, it offers long-lasting performance and effortless operation for both installers and homeowners.