Electric 22mm Motorised 2‑Port Zone Valve with 5‑Wire Boiler Control

Electric 22 mm Motorised 2‑Port Zone Valve with 5‑Wire Boiler Control
The genuine Tower zone valve is a compact, reliable solution for managing water flow in central‑heating and hot‑water systems. Designed with a 22 mm compression inlet/outlet and a spring‑return mechanism, it automatically switches between boiler‑to‑hot‑water and boiler‑to‑central‑heating circuits when paired with a room thermostat, cylinder thermostat and programmer.

Key features
– Voltage & power: 220‑240 V AC, 50 Hz, 6 W consumption
– Operating range: +5 °C to +88 °C (fluid up to 100 °C)
– Pressure limits: Max differential 1 bar, static pressure 10 bar
– Built‑in auxiliary switch: 3 A resistive rating for external control
– Synchronous motor drive with spring‑return action for fast, quiet operation
– One‑metre cable (brown live, blue neutral, green & yellow earth; orange & grey for end‑switch connections)
– Compression fittings included – easy pipework connection without using the actuator for leverage

The valve arrives boxed with an integrated manual lever for commissioning and a full installation guide. All wiring must follow IEE regulations and be performed by a qualified electrician; the unit requires proper earthing and a minimum 3 mm contact separation on the mains disconnect.

Ideal for new builds or retrofits, this Tower zone valve delivers precise flow control while keeping energy use low—perfect for homeowners seeking efficient boiler management and dependable heating performance.