Hi just moved to new house put central heating on light comes on but boiler &pump dont come on,put hot water on and we get heat hot water works fine on its own can any body tell me what wire is what on three port vale so i can check. thanks in advance
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three port valve
- Thread starter harrison_633
- Start date
If you have 230v to the white wire and it fails to move, then chances are the synchron motor has failed. Depending on valve type the motor can be replaced.
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