The Honeywell Home 272889/U Motorized Diverter Valve is a 28mm 3-Port valve designed for use with corded electric storage tank water heaters. With a metal tank lining and a compact design, this valve has a voltage of 240V and requires 11A of amperage. 

It is compatible with ADT Pulse smart home systems and offers Bluetooth/Bluetooth Low Energy (BLE) smart home protocol. The valve also has a manufacturer warranty of 1 year and an energy efficiency rating of A. Perfect for indoor use, this Honeywell valve is an essential component for a heating system with a boiler.