How subrogation works
When your carrier pays for covered damage that a third party caused, it can pursue that party to recover what it paid. Think of a burst supply line installed by a negligent plumber, a defective water heater, or an upstairs neighbor whose overflow floods your unit. Your policy pays you, then the insurer "subrogates" against the responsible party. Your policy almost always includes a subrogation condition requiring you to cooperate and to avoid doing anything that would impair the carrier's recovery rights.
Why it matters to you
Subrogation is not just the insurer's business. If a recovery succeeds, your deductible can be reimbursed in whole or in part out of the proceeds. Just as important, the cooperation duty has teeth: if you sign a release with the at-fault party or settle with their insurer before your carrier's subrogation rights are sorted out, you can jeopardize your own coverage. Loop your adjuster in before you sign anything a third party or their insurer puts in front of you.
Florida context
Subrogation shows up constantly in Florida water and condominium losses, where damage crosses between units. A single leak can trigger claims among the unit owner's HO-6 carrier, the neighbor's carrier, and the association's master-policy carrier, each looking to recover from whoever is ultimately at fault. Sorting out who pays and who recovers is a routine part of documenting these claims.