multiple conditional formatting

my current code is:

    Sheets("Time_cycle_of_S5_requests_UK").Select
    Columns("H:J").Select
    Selection.FormatConditions.Add Type:=xlCellValue, Operator:=xlLess, _
        Formula1:="=0"
    Selection.FormatConditions(Selection.FormatConditions.Count).SetFirstPriority
    With Selection.FormatConditions(1).Interior
        .PatternColorIndex = xlAutomatic
        .Color = 255
        .TintAndShade = 0
    End With
    Columns("H:J").Select
    Selection.FormatConditions.Add Type:=xlCellValue, Operator:=xlGreater, _
        Formula1:="=7"
    Selection.FormatConditions(Selection.FormatConditions.Count).SetLastPriority
    With Selection.FormatConditions(1).Interior
        .PatternColorIndex = xlAutomatic
        .Color = 49407
        .TintAndShade = 0
    End With

however this doesnt seem to do what i want it to do...
i wish for all values less then 0 to be in red and all values more then 7 to be in orange.
as they dont conflict i shouldnt have to set priority.

however what actually happens is i get the "less then 0" condition to be orange and the more than 7 condition is just normal formatting... how can i fix this?

EDIT: i was missing the line

    Selection.FormatConditions(1).StopIfTrue = False

however this now makes my header orange... is there any way to prevent that without setting a range like "H2:J30000"
as my data size could increase i would like to be able to add to the data without having to re-highlight or increase the range of the formatting.