Honeywell 2 Port Zone Valve Replacement Powerhead Motorised Actuator Head Item is new but may not come in the original box Genuine Honeywell Replacement Powerhead For V4043H / 272848U 2 Port Zone Valves Motorised head only (does not come with the valve body) Please check the compatibility of your system with this part before buying. The item must be fitted by a qualified Gas Safe engineer. See manufacturer's website for further details. Please ensure this is the correct part you require.