






⚙️ Upgrade your valve game with precision and clarity—never miss a flow!
The Replacement ACT322 Mid Position Actuator (Part 421001) is a high-quality, double insulated motorised valve actuator compatible with Myson MPE322, MPE328, MPE3 3/4", MPE3 1", MSV322, and MSV328 3-port valves. Featuring spring return mid-position control and dual neon indicator lights, it offers precise valve positioning and instant visual status. Supplied with fixing screws for 22mm and 28mm valve bodies, it ensures easy, safe installation without the need for an earth connection.
| Manufacturer | Myson |
| Part Number | 421001 |
| Package Dimensions | 14.5 x 11 x 8.1 cm; 510 g |
| Item model number | 421001 |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 510 g |
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