General description The 4 pieces radiator thermostat head is designed for efficient temperature control in heating systems for both home and office use. Made from a durable plastic alloy, these thermostatic heads are resistant to deformation and damage, ensuring long-lasting performance. They feature a high-definition internal structure and a control button marked with a scale for precise temperature regulation. Technical specifications Thread size: M30 x 1.5 Modulation levels: 5 Frost protection: Yes Compatibility and accessories Compatible with valves featuring M30 x 1.5 threaded connections from various radiator manufacturers. Installation Easy to install; simply screw the valve in until the arrow points to 0 to close it. Usage Can be used for water, non-corrosive liquids, and non-flammable gases. Automatically detects changes in outside temperature, adjusting the indoor temperature accordingly.