The Salus TRV300A 15mm Angled TRV + 10mm Reducer is a high-quality product designed for central heating radiators. This TRV (thermostatic radiator valve) allows you to regulate the temperature in your home efficiently, while the 10mm reducer helps to fit it to a smaller size. With the trusted Salus brand behind it, you can be confident in the durability and performance of this heating essential. Box is damaged but product is new.