Resideo T3019DAW0NA RA Valve Thermostatic Head

The Resideo T3019DAW0NA Thermostatic Head is a self contained device that controls the flow of boiling water using RA valves in hydronic heating systems. It watches the ambient ambient ambient room temperature and opens or closes the valve to maintain it at the requested temperature. It’s a sophisticated control that balances comfort and energy efficiency. The thermostatic head is made up of a liquid filled sensors that contracts or expands with temperature variation. Under this valve action, the supply of boiling water to the radiator also increases or decreases.