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    Potterton Kingfisher Boiler and Pump cycling together

    Can anyone tell me if the controller signal goes into the boiler first or to the CH valve first? Thanks :?
  2. L

    Potterton Kingfisher Boiler and Pump cycling together

    I have a gas Potterton Kingfisher RS100 floor standing boiler feeding a Grundfoss pumped CH with thermo valves and a gravity fed cylinder. It is regularly Corgi serviced (last done about 6 weeks ago ). This week (it got colder didn't it) I noticed that the Rads were cooler than usual. Turns...
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