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Electric heater is the most common heating method, especially in outdoor spa massage bathtubs for home use. Electric heaters heat water by converting electrical energy into thermal energy. Its basic structure usually includes a heating element, a thermostat, a circulation pump and a safety device.
the most suitable season for using outdoor spa massage bathtubs should be spring and autumn. The temperature in this season is moderate, neither cold nor hot, which can not only enjoy a comfortable spa experience, but also effectively save energy and avoid over-reliance on heating systems.