Upgrade your home heating system with the Worcester Greenstar 9i 12i 15i 18i 24i System High Voltage Harness. This essential component is designed to offer you a reliable and efficient boiler experience. The compact and high heat-resistant harness is perfectly suited for indoor mounting locations and boasts a power output of less than 100 W, ensuring energy-saving operation. Compatibility is key, so ensure your Worcester Greenstar boiler model falls within the 9i, 12i, 15i, 18i, or 24i range for a seamless fit. With features tailored for convenience and effectiveness, this harness is an ideal choice for those seeking a robust and discreet addition to their heating system.