Heating & Hot Water

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 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 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.

*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 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 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 515 Premium 18" Copper Immersion Heater & Thermostat is a high-performance water heating element designed for efficiency, durability, and safety. Made from premium-grade copper, this 18-inch immersion heater provides superior thermal conductivity and corrosion resistance, ensuring long-lasting and energy-efficient operation. The built-in thermostat allows 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 delivers reliable hot water for domestic and commercial applications.

The Navien 90° Flue Bend 60/100 (GXXX002197) is designed to facilitate seamless directional changes in your flue system, ensuring efficient venting for Navien gas and oil boilers. Made from high-quality materials, this durable flue bend provides reliable performance while maintaining optimal airflow. Perfect for installations that require a change in flue direction.

Upgrade your boiler flue system with the Vaillant Black Terminal KIT DN 60 PP (0010039348). Designed for durability and aesthetic appeal, this high-quality polypropylene terminal kit ensures safe and efficient venting for Vaillant combi and high-efficiency boilers. Easy to install and fully compliant with UK standards, it’s perfect for horizontal or vertical flue configurations.

The Tesla TIH 510 Copper Immersion Heater with a Radiator Thermostat (14") is a premium heating solution designed for efficient and reliable water heating. Manufactured from high-quality copper, this immersion heater offers excellent thermal conductivity and corrosion resistance, ensuring long-lasting performance. The built-in radiator thermostat enhances temperature control and energy efficiency, preventing overheating and reducing energy waste. Ideal for use in vented hot water cylinders, this 14-inch immersion heater is easy to install and provides a dependable source of hot water for residential and commercial applications.

The Wyndam Branded Calmag Powerflush/Cleaner (1L) is a powerful cleaning solution designed to remove sludge, limescale, and debris from central heating systems. This 1-litre formula enhances system efficiency, improves circulation, and prolongs the lifespan of your heating system. Ideal for both domestic and commercial use.

The Wyndam Branded Calmag Chemical Cleanser (500ml) is a powerful solution for cleaning both new and old heating systems. It effectively removes sludge, flux, and installation debris, improving system efficiency and extending the life of your heating system. Ideal for thorough system maintenance.

The Danfoss ATF Pipe Frost Thermostat (087N6712) is an electro-mechanical thermostat designed to prevent pipe freezing by maintaining consistent temperatures between 10 °C and 90 °C. Easy to clamp onto ½" to 2" pipes, it offers reliable frost protection and temperature control for heating and industrial applications.

The Tesla TIH 548 Premium 23" Incoloy Immersion Heater & Thermostat is a high-performance, corrosion-resistant heating element designed for efficient and reliable hot water heating. Crafted from premium incoloy, this 23-inch immersion heater offers exceptional resistance to scaling and corrosion, making it ideal for use in hard water areas and high-temperature applications. The built-in thermostat provides precise temperature control, preventing overheating and improving energy efficiency. Designed for vented hot water cylinders, this immersion heater ensures a consistent and dependable hot water supply for both residential and commercial applications.

The Advanced Water Shock Arrestor and Mini Expansion Vessel are essential components for protecting your plumbing system from water pressure surges. These compact and efficient devices absorb sudden pressure changes, preventing damage to pipes, fixtures, and appliances. With their durable construction and reliable performance, they ensure the longevity and reliability of your plumbing system. Trust Plumbco Online to provide you with the best prices and high-quality products for all your plumbing needs. Choose the Advanced Water Shock Arrestor and Mini Expansion Vessel for effective pressure surge protection.

The Polypipe PB00402 UFCH 4-Wire Valve Actuator provides dependable and efficient control for underfloor heating systems. Designed for seamless integration with Polypipe manifolds, this actuator ensures precise temperature regulation, smooth operation, and long-lasting performance, making it ideal for both domestic and commercial heating setups.

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.

Worcester (100mm) Short Flue Extension 220mm

The Navien 500mm Flue Extension 60/100 (GXXX002195) is designed for extending the flue system of Navien boilers, ensuring safe and efficient venting. This durable, easy-to-install extension provides flexibility for installations requiring longer flue lengths. Ideal for both gas and oil condensing boilers.

The EPH Controls CP4B is a battery-operated digital programmable thermostat for a single heating zone. Featuring OpenTherm®, Optimum Start, TPI, and On/Off modes, it provides precise and energy-efficient control, fully Boiler Plus compliant for modern heating systems.