The Hamworthy 563605293 Sherborne Service Kit is a product specifically designed for a Hamworthy boiler heating system. This storage tank water heater kit includes all the necessary components to ensure proper maintenance and service of your boiler. The kit is compatible with the Hamworthy Sherborne model of boiler, providing a reliable and convenient solution for keeping your heating system in top condition. Trust in the Hamworthy brand for quality and efficiency when it comes to servicing your boiler.