Feature: 1. Reliable: Automatic constant temperature, water temperature can be adjusted according to needs, temperature control is safe and reliable, and performance is stable. 2. Stainless Steel: The pool heater thermostat is made of premium stainless steel material, which is durable, corrosion resistance and long service life. 3. Working Principle: This pool thermostat heater pump is heated by circulation, with stainless steel furnace wire and water tank inside. 4. Applicable To: The SPA water heater is applicable to the hydrotherapy, hot spring, SPA and hot tub scenes of the water circulation system, and can only be used in 25 to 30 cubic meters of water pool. 5. 11KW 220V: The working power of the swimming pool heater pump is 11KW and the voltage is 220V, and you can connect and use it according to applicable voltage and power. Specification: Item Type: Pool Heater Thermostat Material: Stainless steel Gross Weight: 7500g/16.5lb Product Size: 45x34.5x11cm/17.7x13.6x4.3in Voltage: 220V Power: 11KW Purpose: Water cycle system, spa, SPA, hot tub scene Applicable: Small swimming pool, can only be used in 25 to 30m³ of water. Package List: 1 x SPA Water Heater1 x Manual