The Honeywell Home Actuator for V4073A (stock code 117053 / manufacturer’s 40003916‑003/U) is a direct‑replacement motorised actuator designed for use with Honeywell V4073A mid‑position three‑port valves. It provides smooth operation, quiet performance and a hassle‑free installation - ideal for trade professionals and maintenance tasks requiring a quick repair without draining down the system.
The Honeywell Home Actuator for V4043H (40003916‑001/U) is a genuine replacement powerhead designed to fit the V4043H series two‑port motorised zone valves. Compatible with UK 230 V systems, it features a manual lever, spring‑return mechanism and quick‑swap fitment without full system drainage — ideal for fast, professional repairs.