The Honeywell 22mm Motorized 2-Port Valve is a corded electric valve designed for use with storage tank water heaters, specifically boilers. It features a compact design and a metal tank lining, making it suitable for indoor mounting. The valve is compatible with smart home systems and has a voltage of 240V, with a power consumption of less than 100W. With a manufacturer warranty of 1 year and an energy efficiency rating of A, this silver valve offers reliable and efficient control over your heating system.