Honeywell Powerhead for V4073A Valves The Honeywell Replacement Powerhead is designed for V4073A Motorised Values. Easy to installation with just two screws and two locating pegs used to connect the heads to the body. Key Features and Benefits: Replacement Powerhead for V4073A Motorised Values Change the Powerhead without Swapping Out the Whole Valve Operates Quietly Ensuring Minimal Noise Disruption Energy Efficient with a Power Consumption of Just 6 Watts Spring Return Action Powerhead is Replaceable Without any Draining Down Required Height: 92mm Width: 128mm Depth: 140mm Manufacturers 1 Year Guarantee