General description The Thermostatic Radiator Head is designed for efficient temperature control in heating systems. This product includes 2 pieces of TRV M30x1.5 smart radiator thermostat valve replacement heads, suitable for home and office use. Made from high-quality alloy and plastic, these heads are durable and practical, ensuring long-lasting performance. Technical specifications Material: Alloy and plastic Thread size: M30x1.5 Modulation levels: 5 levels Compatibility and accessories Compatible with radiator manufacturers using M30x1.5 threaded connections Includes 2 radiator valve caps Usage Features anti-freeze protection and adjustment function Zero setting ratio upper limit: 0, 1-5 Temperature adjustment is influenced by heating and room temperature