Thermostat: Ego 30 110C Buffalo, Parry, Water Boiler Thermostat single pole Sensor 6mm X 83MM Capillary length 840mm: This is also a replacement part for 40023. Ego:

Effortless Temperature Control: Manually adjust your heating with the mechanical knob, ensuring precise and comfortable settings for your space Wi-Fi Connectivity for Remote Access: Easily monitor and control your thermostat from anywhere using your smartphone or tablet Classic Design with Modern Features: Blend seamlessly into your decor with the timeless gray finish, while enjoying advanced functionality Easy Installation: Mount this thermostat on a pole and connect it to your boiler for a hassle-free setup Includes Essential Components: Comes with a sensor and capillary tube, providing everything needed for immediate use, Manufacturer: Unifit