... UL, CE mark Product Description 1, control power of 12 Kw; 2, real-time display of water temperature; 3, shows Celsius and ... since the detection; 7, temperature sensor open, short-circuit alarm function; LCD display use for water heatercustomised in controller with UL & CE.1 ... pcb board or PCBA.4. Tell us your idea. Multi-layer PCB Specificationproviding you one-stop pcb assemblies service.1Layer1 ...