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    cathrynm's Avatar
    cathrynm Posts: 1, Reputation: 1
    New Member

    Feb 11, 2015, 10:30 AM
    Oil fired central heating
    I have an Oil Fired Central Heating and hot water system which I believer to be Gravity Fed. If a Plumber comes to repair the boiler does he need to turn off the Boiler Isolation Switch. If the Plumber does not turn off the Isolation Switch, could the Gravity Fed System try to run the boiler?
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
    Ultra Member

    Feb 11, 2015, 07:19 PM
    I'm sorry. I don't know what you mean by an isolation switch.

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