Pool Heater Heater 3000w Function: 1. The product is small in size and easy to install in the circulating massage tube at the bottom of the bathtub. 2. Easy to operate, provide a mechanical temperature control switch, you can set the temperature according to the use of temperature technology. 3. Equipped with a water flow switch and an extremely high temperature protection switch, it is safe and reliable during operation. 4. Heating thermostat insert material is 316 # stainless steel and electric heating pipe, corrosion resistance (chlorine corrosion), durable. 5. The thermostat insert has good circulation, does not hang slag and is easy to disassemble. 6. When adding hot water bath, start the pump, the thermostat automatically works with thermal insulation, so the bath at water temperature kept in the range of 30-40 adjustable, gives the massage tub a more comfortable environment. Item Type: Pool Heater Material: Stainless Steel Color: As picture shown! Size: about 340 x 122 x 125 mm \/ 13.4 x 4.8 x 4.9 inches Power: 3 KW Weight: about 2200g \/ 77.6oz Product Information Description: 1. This one must be equipped with a water pump to be able to circulate the heating, generally 0.75-1HP can be used. 2. The pressure switch cannot be turned on until the water pressure is reached and the machine is running; if the light is off, the water pressure is insufficient and the pressure switch cannot be turned on. Package List: 1 x Pool Heater 1 x User Manual 2 x Interface