Motorised Valve Spares identifies some of the spares associated with the Zone, Diverter and High duty valves.

40001011-002 24VAC motor kit (low voltage applications). 40002737-003 240VAC replacement motor. 40003918-006 Plate & ball assembly kit - use with valves that do not have replaceable heads (Pre 1987). 272752A/U CARD Replacement Ball &'O' ring kit.
40001011-002 24VAC motor kit (low voltage applications). 40002737-003 240VAC replacement motor. 40003916-001 Replacement powerhead. 40003918-006 Plate & ball assembly kit - use with valves that do not have replaceable heads (Pre 1987). 272752A/U CARD Replacement Ball &'O' ring kit.
40002737-003 240VAC replacement motor. 40003916-003 Replacement powerhead. 40003918-007 Plate & ball assembly kit - use with valves that do not have replaceable heads (Pre 1987). 272752A/U CARD Replacement Ball & 'O' ring kit.