The Worcester Greenstar 12 & 18 Ri He Electrode Kit (87161163810) is a compact storage tank water heater with a 75-150 litre tank capacity. It is designed for indoor use with a sleek black design and a voltage of 240V. With a first-hour recovery rate of 204 litres/h, this energy-efficient water heater has an A+++ energy efficiency rating and a manufacturer warranty of 1 year. Made by Worcester in the United Kingdom, this unit offers reliable and efficient heating with a boiler heating system. Ideal for households looking for a high-quality and efficient water heating solution.