Radiator Head, 4-pack Radiator Valve Head, M30 x 1.5 Thermostatic Valve for Radiator, Thermostatic Head for Washbasin Bathroom Toilet Thermostatic Radiator Head: The 4-piece Smart Professional thermostatic radiator head with 30 x 1.5 mm threaded connections and suitable for 30 x 1.5 mm threaded connections from radiator manufacturers. High Quality: The thermostatic head is made of high-quality material, which is not easily deformed or damaged. Comfortable to use and with a long service life. No Fixed Temperature Setting Range: This thermostatic radiator valve, which is affected by heating temperature and room temperature, can detect changes in outdoor temperature. No fixed temperature setting range. Some Features: The TRV head heater valve with antifreeze function and setting, widely used for water, non-corrosive liquid, non-flammable gas. Please Note: Please confirm before purchasing if this homogeneous thermostatic head is suitable for your tap and only the head is supplied. The control handle is marked with a scale that allows you to regulate the internal temperature according to your own requirements. Specification: Material: Plastic + Alloy Connection Thread: M30x1.5 \"