Caldera calentador hayward 275Kbtu dual puede utiizar gas natural o propano.Product Code: HDF275Heating Capacity: 275,000 BTUFuel Options: Dual fuel capability - Propane or Natural GasAdvanced Technology: Utilizes cutting-edge technology for efficient combustion and heat transferTemperature Control: Digital display and user-friendly interface for accurate temperature regulationApplication: Suitable for pools and spas, delivering efficient and reliable heating performance