Actual cash value takes wear off the top
Actual cash value starts from what it would cost to replace the damaged part, then subtracts depreciation: the value used up by age and wear. The older the part, the more comes off, and that gap is yours to cover.
Replacement cost pays what it takes to put it back
Replacement cost values the loss at the price of repairing the damaged part, or of putting new material in its place, up to your policy limit, with nothing taken off for depreciation.
A kitchen fire, valued both ways
Say a fire ruins kitchen cabinets installed many years ago. Actual cash value starts from the price of new cabinets and subtracts the wear the old ones had taken, so it covers only part of a new set. Replacement cost figures the payment on new cabinets, up to your limit. Your deductible applies either way.
