Feature: 1. Basic Value: The power of this thermostatic heater is 15KW, the voltage is 220V or 380V, the minimum flowing rate is 15GPM, and the temperature is regulated from 20℃ to 55℃. 2. Working Principle: Our pool thermostat heater works by circulating heat to keep it working properly and keep practical. 3. Timing Using: Our pool thermostat heater can be adjusted from 1 to 15 hours and is suitable for use in a range of 8 to 13m³. 4. Automatic Thermostat: The pool thermostat heater can do automatic thermostat, can adjust the water temperature as needed, safe and reliable, so that your use experience is enhanced. 5. Corrosion Resisting: This pool thermostat heater can be corrosion resisting, sturdy and durable, with very stable performance. Specification: Item Type: Swimming Pool Thermostat Heater Material: Stainless Steel Weight: Approx. 9100g / 321oz Size: Approx. 48.5 x 36 x 10cm / 19.09 x 14.17 x 3.94in Power: 15KW Voltage: 220V 380V Minimum Flowing Rate: 15GPM Use: Water circulation system for spa, hot tub scenes Application: Small pool, can only be used in 8 to 13m³ of water Temperature Adjustment: 20℃ to 55℃ Timing Working Adjustment Range: 1 to 15 hours. Package List: 1 x Swimming Pool Thermostat Heater 2 x Instruction Manual Note: Manual measurement may have 0‑1cm error. Please make sure you don't mind before ordering.