This Honeywell 28mm motorised 3-port diverter valve is a reliable and efficient addition to your boiler system. The valve is designed to be wired, allowing for easy integration with your existing setup. With its sturdy construction and trusted brand name, this valve is built to provide long-lasting performance. The Honeywell 272889/U (V4044C1569) is a high-quality product that is perfect for those in need of a top-notch storage tank water heater. The valve's features include a 3-wire design, making it a great choice for those looking for a wired diverter valve. This product is sure to meet your needs and provide you with the peace of mind you deserve. Zone valve not used/unopened and still in new condition.