Key Features
What's Included
The valve itself seems to be the following:
Honeywell 28mm 3-Port Motorised Valve - V4044C1569/U Overview
The Honeywell 3-port mid-position motorised valve has been designed to control the flow of water in domestic central heating systems, where both radiator and hot water cylinder circuits are pumped. This Honeywell motorised valve is typically suited for small to medium sized installations.
The Honeywell V4044C1569/U motorised valve should be used in conjunction with a room thermostat and cylinder thermostat to provide full temperature control of a conventional, fully pumped central heating installation.