Upgrade your central heating radiator with the Peggler Terrier TRV Thermostatic Radiator Valve. This replacement head only valve is designed for easy installation and is perfect for both horizontal and vertical radiator orientations. With its sleek white colour and boiler heating system compatibility, this thermostat valve is a must-have for any home. It comes with all the necessary items included, making it a hassle-free replacement. Enhance your home's heating system with the Peggler Terrier TRV Thermostatic Radiator Valve.