... measuring: 0~99 centidegree4. Accuracy of temperature control: ±2 centidegree5. Water level grade: 5 grades 0,20,50,80,100%6. The ... DC12V,optional pressure valve or no pressure valve.Working pressure of pressure valve:0.02Mpa~0.8Mpa,apply to direct water supply.Working pressure ... of no pressure valve:0.0Mpa,apply to water supply from water tank or low water pressure.10. Low power of ...