Explore Plumbco's Heating & Hot Water category for a comprehensive range of solutions. From top-quality boilers and cylinders to controls, valves, and water treatment products, we have everything you need for efficient and reliable home heating and hot water systems. Discover our selection of flues, accessories, and vessels designed to meet your specific needs.
The Poly Tank Washer 1" (PWATAN367441) is a high-quality replacement washer designed to provide a secure, leak-free seal for water tank and plumbing connections. Ideal for both domestic and commercial applications, this durable washer ensures reliable performance and prevents leaks in tanks, cisterns, and pipe fittings. Perfect for quick DIY repairs or professional plumbing projects, it guarantees long-lasting efficiency. Shop Plumbco for trusted plumbing components with fast delivery.
The Top Hat Washer 1/2" (PWATAP370293) is a durable and reliable plumbing washer designed for secure pipe connections and leak-free installations. Easy to fit, it ensures a tight seal in a variety of plumbing systems, making it an essential component for both trade professionals and DIY plumbing projects.
The Viva 2″ Foam Doughnut Washer (product code PP0035) is a precision‑moulded foam gasket designed to sit between a close‑coupled cistern and pan, creating a reliable water‑tight seal. With an outer diameter of 105 mm and inner diameter of 70 mm, this simple yet essential part helps prevent leaks and maintains your toilet installation with minimal effort.
The Danfoss TP5000RF Stand is the perfect accessory for your TP5000-RF, TP5000Si-RF, TP7000-RF, and RT51-RF room thermostats. This durable and stable table stand allows you to place your thermostat anywhere in your home, providing optimal convenience and flexibility.
The Doughnut Washer for Cistern – Rubber (1621) provides a reliable, leak-proof seal for toilet cisterns. Its flexible rubber construction ensures a snug fit, prevents leaks, and is easy to install, making it an essential replacement part for maintaining efficient and hygienic cistern operation.
The Polypipe PB08573 12mm End Returns fitting is designed for use with Overlay™ and Overlay™ Lite pipe systems, providing a reliable and durable solution for terminating pipe runs. Manufactured from high-quality materials, this fitting ensures a secure, leak-free connection in domestic hot and cold water systems. Ideal for professional plumbing installations and DIY projects, the PB08573 simplifies pipe layout and maintains system integrity while delivering long-lasting performance.
The Polypipe PB181512 Adaptor Set provides a seamless transition between 15mm and 12mm pipes, ideal for both domestic and commercial plumbing applications. This set includes pipe stiffeners for both Overlay® and Overlay® Lite systems, ensuring a tight and secure connection. Perfect for quick installations, Polypipe PB181512 is compatible with a wide range of plumbing solutions, offering flexibility, durability, and reliability.
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 Honeywell Home 10‑Way Junction Box (42002116‑002) is a robust ABS wiring centre designed for UK heating system installations. With ten clearly numbered terminals, accommodation for up to 15 A and 12 knock‑out entries for cable routing, this universal junction box ensures clean, safe S‑Plan and Y‑Plan wiring setups.
The Polypipe MAX5915 15mm Shut-Off Valve is a reliable push-fit valve designed for domestic warm and cold water systems. Finished in white with a plain white index, it allows for easy control of water flow and secure, leak-free connections. Ideal for plumbing installations and renovations, this valve is easy to install without tools. Please note, it is not suitable for use in central heating systems.
The Ideal Condensate Internal Hose 175984 is a high-quality replacement part designed for Ideal boilers. This durable and reliable hose ensures proper condensate drainage to maintain boiler efficiency and prevent blockages. A perfect fit for seamless maintenance and optimal boiler performance.
The Polypipe UFHFLOORW Single Zone Floor Sensor includes a 2.95m cable, providing precise temperature monitoring for underfloor heating systems. Designed for reliable performance, it ensures optimal comfort and energy efficiency in both residential and commercial installations.
The Ideal 175574 Cleanout Cover Gasket is a reliable and durable replacement part designed for use with Ideal boilers. This high-quality gasket ensures a secure seal for the cleanout cover, preventing leaks and maintaining optimal boiler performance. A must-have for boiler maintenance and repairs.
Flue Jointing Compound is a ready-mixed paste/putty that is used to seal flue joints in domestic and industrial applications. It is non-setting and flexible, making it ideal for accommodating movement. It is also temperature resistant up to 200°C.
Experience efficient temperature control with the Salus Electronic Room Thermostat 230V - Daily ERT20230V. This easy-to-use thermostat provides reliable daily scheduling and precise temperature management, making it an excellent choice for modern home heating systems.
Enhance the durability and efficiency of your plumbing system with the Polypipe Weathering Apron 110mm White SV48W. Crafted with high-quality materials, this apron provides reliable protection against weather elements, ensuring long-term performance. Its 110mm diameter fits seamlessly into your plumbing setup, while the white finish adds a clean aesthetic touch.
The Polypipe SV48G is a 110mm weathering apron designed to provide a secure, watertight seal around soil and vent pipes passing through pitched roofs. Made from durable PVCu, this flashing prevents leaks and ensures reliable weather protection. Ideal for domestic plumbing installations, it is compatible with standard 110mm soil pipes and Polypipe roof systems. Easy to install and certified to BS EN standards, the SV48G ensures long-lasting protection and a neat finish on all roofing applications.
The Danfoss RLV‑D Lockshield Valve (15 mm angled) is a high‑quality lockshield valve designed for domestic two‑pipe heating systems. With a nickel‑plated brass body, compatibility with the RA fitting range and an adjustable setting via a 6 mm Allen key under a brass cap, it enables reliable flow regulation and radiator isolation.
Fernox Protector F1 265ml provides long-term protection against corrosion and limescale in central heating systems. Suitable for all boiler types and mixed metal systems, including aluminium, this eco-friendly, compact size treats up to 100L systems or 12 radiators. Easy to dose via a Fernox TF1 Filter, it optimizes system efficiency, prevents common issues like radiator cold spots, and meets BS 7593:2019 standards for system care.
The Navigator 2 1/4" Brass Immersion Plug and Washer is a reliable and durable solution for ensuring a secure and leak-free seal in heating and plumbing systems. Perfect for residential and commercial applications, this high-quality component is designed for long-lasting performance.