The Worcester 77161920050 Digistat Receiver CDi 7716192005 is a storage tank water heater designed for use with boilers. Created by the reputable brand Worcester, this product is specifically made to provide efficient heating in homes. The Digistat Receiver CDi helps to regulate the temperature and ensures a steady supply of hot water, making it an essential component in heating systems. Paired with a thermostat, this receiver and thermostat combination allows for precise control over the heating system, making it a reliable and effective choice for maintaining a comfortable living space.