The Worcester Greenstar 9-24i System ErP Internal Diverter Valve Kit – 7733600089 is ideal if your looking to use a Worcester plug-in control. You will require this kit in conjunction with a Worcester plug-in control to adjust the supply of heat to the hot water cylinder from the boiler.
Worcester system boilers using a Worcester control option are compatible with Y or S plan systems provided the optional diverter valve kit is fitted.
New ErP approved diverter valve kit to work in conjunction with new ErP rated Worcester Greenstar 9-24i System boilers.
(Not suitable for use with the 27i & 30i boilers)