Heating & Hot Water

The EPH Controls A17 is a 1 zone timeswitch designed for central heating systems, offering flexible 24h, 5/2 day, and 7 day programming modes. Ideal for precise boiler scheduling, it ensures energy efficiency and convenient heating control.

The Tesla TIH 540 Incoloy Immersion Heater & Resettable Thermostat (11") is a high-performance, corrosion-resistant water heating element, designed for maximum efficiency and durability. Made from premium incoloy, this 11-inch immersion heater offers superior resistance to scaling and corrosion, making it ideal for hard water areas and high-temperature applications. The resettable thermostat ensures precise temperature control, prevents overheating, and enhances energy efficiency. Suitable for use in vented hot water cylinders, this immersion heater provides fast, reliable hot water for domestic and commercial use.

The Honeywell Valencia VTL120‑15A‑DP 15 mm Angled TRV & Lockshield Pack combines a precision 15 mm angled thermostatic radiator valve with a matching lockshield, designed for modern two‑pipe central heating systems. With a bidirectional flow body, built‑in radiator balancing insert and frost‑setting capability, it delivers reliable room control and increased energy efficiency in one trade‑ready pack.

The Round Push Button Flushplate – Brushed Brass combines style and functionality for modern bathrooms. Designed for use with frames and slim concealed cisterns, its fingerprint-proof finish keeps it looking pristine while offering smooth, reliable operation. Measuring H 163 × W 245 × D 50 mm, this round flushplate is both practical and decorative, and comes with a 2 year guarantee for peace of mind.

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.

*DISCONTINUED - New model - Honeywell DT4 Room Thermostat Wired On/Off White DT40WT20*

The Honeywell DT90 Digital Stat DT90E1012 offers advanced temperature control for your heating system with its energy-efficient, easy-to-use digital interface. Designed for both residential and commercial applications, this thermostat provides precise and reliable temperature management to enhance comfort and save energy.

The Honeywell Valencia VHL120‑15A‑DP Manual Valve & Lockshield is a premium 15 mm angled radiator valve set from the Valencia range, combining a manual on/off valve for local room control and a matching lockshield for balancing flow. Designed for UK heating installations, it features a durable brass body, angled orientation for snug radiator connections and includes drain‑off tail for easy maintenance.

The Honeywell Low‑Limit Pipe Thermostat L641B1004 is a compact, surface‑mounted thermostat designed for pumped central‑heating systems, offering a temperature range of approx. 10 °C–40 °C to protect pipework against under‑heating or frost. Its bi‑metal strip sensor and tamper‑proof adjustment make it a reliable choice for installers needing effective low‑limit control.

The Honeywell Home High Limit Pipe Thermostat (L641B1012) is a robust surface‑contact pipe thermostat designed for pumped central‑heating systems. Featuring a bi‑metal strip sensor and a tamper‑proof adjustment option, it functions as a high‑limit safeguard for water temperature control in boiler loops and cylinder circuits.

The Danfoss RET1001M‑V2 (087N6461) is a mains-powered, single‑channel electronic room thermostat (230 V) designed for straightforward heating control. It features an adjustable dial (5–30 °C), frost protection and standby settings, plus clear LED indicators to show power and heat demand. With both load‑compensation and ON/OFF modes, it offers energy-efficient performance and simple usability.

The Altecnic Pressure Gauge 63mm Ø Dial 557410 features a 0–10 bar range with a ¼″ back connection. Designed for accurate pressure monitoring in boilers and central heating systems, it delivers reliable performance for heating installations.

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 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 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 Danfoss RA 15/6T Lance Valve (013G3220) is a special bypass valve designed for radiator floor connections with Rp 1/2 threading. It ensures precise radiator control, smooth water flow, and reliable performance for modern heating systems, making it ideal for efficient underfloor or floor-mounted radiator setups.

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.

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.

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.

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.

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.