Product Name: Low Pressure Solar Geyser Controller Tk-8A Model NO.: TK-8A Rated Voltage: 220V Application: Water Heater Controller, Solar System Controller Certification: ISO, CE Condition: New Model: Tk-8A Power Supply: 220VAC, 50Hz Power Consumption: Less Than 5W Accuracy of Temperature Measuring: +/-2 Centi Degree Range of Tank Temperature Measuring: 0~90 Centi Degree Suitable Power of Electrical Heater: Less Than 2kw Size: 20x13X3.6cm Ambient Temperature: -10~50 Centi Degree Water Proof Grade: IP40 Warranty: 12 Months Trademark: RAVEN NEW ENERGY Transport Package: Carton Specification: TK-8A Origin: China HS Code: 84199010 Product Description Controller TK-8A For Low Pressure Solar GeyserTK-8A Solar Controller for Solar Water Heater, suitable for integrated non pressure solar system, easy maintenance. Suitable For Integrated non pressure Solar Hot Water System!Technical specificationPower supply:AC220V ±10%,50HzPower consumption:< 5WAccuracy of temperature measuring: ± 2°CRange of tank temperature measuring: 0 ~90 °CSuitable power of electrical heater: ≤ 2KWAuto control supercharging pump/Electric heating belt≤ 500WAmbient temperature :-10°C ~ 50°C.Water proof grade:IP40.Main functions<1> Beijing standard time<2> Start self-checking<3> Water temperature preset<4> Water level preset<5> Water insufficiency loading<6> Temperature loading<7> Constant water level coding<8> Manual control<9> Second time timing loading<10> Second time timing heating<11> Pipe heat keeping<12> Pipe supercharging<13> Constant temperature heating<14> Electricity leakage protection<15> Auto drainage<16> High temperature loading protection<17> Dry heating prevent<18> Electric heating belt fire protection<19> Power off memoryFor more infomation, please contact us freely .