Product purpose and key benefits Simple, reliable control for central air-conditioning fan coil units: directly switches the valve and fan ON/OFF to manage airflow and cooling/heating in a room. Easy temperature management: built-in temperature control adjustable from 10 °C to 30 °C so users can set a comfortable range without extra devices. User-friendly operation: ON/OFF rocker switch conveniently located on the left side of the thermostat for fast manual control. What makes this product useful Solves common control problems by providing a dedicated, easy-to-operate interface for fan coil systems, eliminating the need for complex wiring or multiple controllers. Durable, safe construction: made from high-quality, environmentally friendly plastic for long service life and secure daily use. Quick installation with minimal tools required: two mounting screws are included; no specialized tools needed. For safety, power should be switched off before installation. Compatibility and function Designed for controlling the valve and fan in fan coil units as part of a central air-conditioning system. Suitable for commercial and residential applications including hotels, restaurants, supermarkets, and private homes. Controls only cover the valve and fan ON/OFF functions and temperature adjustment within the specified 10 °C–30 °C range. Practical use scenarios Hotel guest rooms: give guests easy, intuitive control over room temperature and fan operation with a single device. Restaurant dining areas or supermarket zones: allow staff to manage local comfort quickly without affecting the whole building’s system. Home living spaces: replace or add a straightforward thermostat to control a fan coil convector for predictable comfort. Installation and safety notes Two screws supplied for mounting; installation requires no special tools. Always switch off electrical power before installing or servicing the unit to ensure safety. Designed for straightforward replacement or new installation in compatible fan coil systems. What to expect in everyday use Stable manual control of fan and valve ON/OFF operations. Simple temperature adjustment within a practical range for most residential and light-commercial environments. A compact, durable control unit built from eco-friendly plastic for reliable daily performance.