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grant combi

  • 21-12-2014 2:13pm
    #1
    jacor48
    Registered Users, Registered Users 2 Posts: 4 ✭


    my combi is starting when i open any cold tap on the same mains supply any ideas


Comments

  • #2
    scudo2
    Closed Accounts Posts: 2,008 ✭✭✭scudo2


    jacor48 wrote: »
    my combi is starting when i open any cold tap on the same mains supply any ideas

    Mains supply to low in pressure and/or one way valve on boiler supply faulty allowing drop in pressure internaly that's then switching on boiler.
    Or faulty pressure switch.


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