Worcester Flues & Accessories

The Worcester EasyControl RF Key (part number 7738113610) enables a wireless connection between your Greenstar boiler and the EasyControl smart thermostat. Acting as a compact RF receiver, this key plugs directly into the boiler and allows seamless, secure communication via EMS‑bus — giving you the convenience of a fully wireless, smart heating setup.

The Worcester Greenstar 7719002430 4" (100 mm) Vertical Flue Kit offers a reliable and weather‑resistant solution for safely venting flue gases from condensing boilers — perfect when you need the flue terminal to exit through a flat or pitched roof. Compatible with all Greenstar boilers, this vertical flue kit features a simple push‑fit connection for quick installation and a robust, anti‑corrosive design to ensure long service life and compliance with flue‑gas regulations.

The Worcester Greenstar Outdoor Weather Sensor (7716192764) enhances boiler efficiency by automatically adjusting heating output based on external temperature changes. Compatible with Worcester Greenstar boilers, this sensor ensures consistent indoor comfort, reduces energy consumption, and helps lower heating costs. Easy to install and highly reliable, it’s an essential accessory for smarter, more energy-efficient heating control.

The Worcester Highflow CDI Adaptor 7716191164 provides a reliable connection for Worcester Highflow systems, ensuring secure and efficient operation of your heating setup. Designed for durability and easy installation, this adaptor is ideal for both new installations and replacement parts, helping maintain optimal boiler performance and flow efficiency.