Genuine Ricambi kit 573603. It is suitable for rebuilding the diverter valves on the following boilers Worcester 230, 240, 9.24 Heat Slave, 9.24 Electronic, 24CDI, 24CDI electronic, 26CDI Xtra RSF, 28CDI, 28CDI RSF, 28CDI electronic, RX2 RSF, 35CDI Mark 2 RSF.
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