Here is my function contained in O74. C70 has "Water Heater" in it and
I73="2". Why doesn't N74 have FALSE in it? Also, is there a way to control
a Forms checkbox with a function?

=IF(C70="Water
Heater",IF(I73<39,N74="FALSE",N74="TRUE"),IF(I73<9 9,N74="FALSE",N74="TRUE"))

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Cheers,
Ryan