3kw Heater with Adjustable Precision Thermostat for Bathtub & Spa Tub — Pool/Spa Heater for Chinese Spa

Designed for use in swimming pools, this thermostat is mounted directly in the pool. When you add hot water and start the pump, the unit automatically manages heating to maintain the set water temperature, helping create a more comfortable bathing environment. Features an ultra-high temperature protection switch with a reset button — if an excessive temperature is reached the switch will trip and cut power. For full operating details and safety information, please refer to the instruction manual.