Vast possibilities for heating controls that modulate air temp across every room. THERMOSTATIC RADIATOR VALVE (TRV) The Vernet Thermostatic radiator valve is a valve that self-regulates. It adjusts the flow of water into your radiator depending on the setting. Learn More > If you have a specific request, simply contact us and we will help you build customized products from your needs. Back to our heating product lines ›