- Genuine Drayton MA1: Snap-on actuator head enables quick, tool-free replacement of faulty 3-port mid-position (Y-Plan) actuators with no draining or pipework required. Simply remove the old actuator, snap on the new Drayton MA1, and restore full heating and hot water control in minutes.
- 5-Wire Connection: Supplied with a colour-coded 1m cable for effortless integration with Y-Plan and other central heating systems. Standard Drayton 5-wire configuration, including built-in SPDT (end switch) for boiler or pump control. Compatible with Drayton MA1/679-3, MA1/779-3, and British Gas BGMVSP-23 3-port valve bodies. Ideal for both DIYers and professional installers.
- Spring Return Action with Built-In Safety: Power-to-open, spring-return-to-close mechanism ensures your valve fails safely closed if power is lost. Includes a robust SPDT end switch for reliable boiler or pump actuation, delivering dependable mid-position performance and 100% shut-off on closed ports.
- Manual Override Lever: Convenient manual lever and position indicator make filling, venting, or servicing easy. Durable design with reinforced housing and robust internal components ensures long-term reliability.
- Trusted Reliability: Rated for 230V operation, 5 watts, suitable for hot water and central heating systems up to 93C and 8.6 bar pressure. Provides consistent mid-position flow control and energy efficiency for residential heating.
- Direct Replacement: Replacement actuator for Drayton MA1/679-3, MA1/779-3 3-Port Valve, and British Gas BGMVSP-23 Mid-Position Valve (Y-Plan). Will NOT fit 2-port zone valves (e.g., Drayton ZA5, Honeywell V4043H) or non-Drayton valve bodies. Perfect for quick repairs and reliable upgrades in all compatible Y-Plan heating
Drayton mid-position valves allow the flow of water from the valve inlet to be directed to either of two outlets, or through both at the same time (mid-position). Power from room and cylinder thermostats enable the valve's electronic circuitry to close either one of the outlet ports or to hold the swivel seal in the mid-position with both outlets open. The Drayton MA1 3 Port Actuator 230v 27651 features new snap-on actuators and have industry-standard wiring and dimensions. Product features 230V voltage 1 m lead length Mid position actuator 100% shut off Power to open / spring return Valve position indicator Simple industry-standard wiring Manual lever Mid position for heating or hot water or both