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  1. A

    Replacing a Drayton ZVA.22 actuator

    Cheers everyone. I've bought a new valve to replace the old one. Will drain the system and replace it soon!
  2. A

    Replacing a Drayton ZVA.22 actuator

    The new actuator rotates the head of the valve but my old valve head moves on line with the pipework about 5-6 mm!
  3. A

    Replacing a Drayton ZVA.22 actuator

    The auxilliary switch inside the actuator does not work relliably and sometimes stays closed when the hot water is not called for and the valve closes, therefore leaving the boiler running. I have tried to get a replacement but had no joy so I bought a new actuator (Drayton ZA5 679-2),this does...
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