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  1. B

    appolo 30/50

    I am having problems with my 3 way switchmaster vaulve sticking and it keep knocking the heating off have been told it is obsolete so need replacement also need hot water tank thermostat but the guy who is going to do it appears to be having a prob getting the wiring diagram for the replacement...
  2. B

    appolo 30/50

    I am having problems with my 3 way switchmaster vaulve sticking and it keep knocking the heating off have been told it is obsolete so need replacement also need hot water tank thermostat but the guy who is going to do it appears to be having a prob getting the wiring diagram for the replacement...
  3. B

    switchmaster

    I am having problems with my 3 way switchmaster vaulve sticking and it keep knocking the heating off have been told it is obsolete so need replacement also need hot water tank thermostat but the guy who is going to do it appears to be having a prob getting the wiring diagram for the replacement...
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