The FCF Classic Series marine air conditioners all have reverse cycle heat are very efficient and very quiet. A stainless steel epoxy coated uni-body chassis makes up the back bone of this rugged unit.These kits include all of the items necessary to complete a new installation or a compete refit. All kits labeled with Submersable Pump includea thermal protected and run dry protected, completely encapsulated, submersable Kool Air SPM1000 and water cooled, constant duty 1000 GPH AC pump. Non-submersable labled kits includea thermal protected and run dry protected Kool Air PM1000 air cooled constant duty1000 GPH AC pump. All units includereturn air grille, supply air grills, air divider, duct ring and transition box. It also includes 5" flexible insulated duct, seawater hose, bronze seawater strainer w/scoop delux bronze and stailness hardware and fittings. Offers an industry leading 2 year warranty.