Hot Tub Heater — Compatible with Marquis Spas MRQ600-0280

Replacement hot tub heater compatible with Marquis Spas Heater MRQ600-0280. This unit is intended as a substitute for the MRQ600-0280 heater assembly used in Marquis Spas models. Before ordering, please confirm the MRQ600-0280 part number on your spa to ensure proper fitment. Installation by a qualified technician or an experienced DIYer is recommended to restore heating performance to your hot tub.