The illuminated window makes it possible to check the fill level in the system at any time. The Alphacool ES 2U reservoir is compatible with pumps using D5 format such as the Alphacool VPP Apex. Integrated sensorsThe reservoir has a temperature sensor that covers a measuring range of -40 to 125°C and is connected to the mainboard via a 2-pin connector. In addition, a flow sensor, which is connected via a 3-pin connector, enables continuous monitoring of the water flow in the cooling system. Technical dataDimensions (L x W x H) (without pump) 99.66 x 146.00 x 83.90 mmMaterialMetal, acetalWeight1500gThreads (front side) 2x quick-release fastener G1/4” Threads (rear side) 1x G1/4" In | 1x G1/4" OutConnection flow sensor3PinConnection temperature sensor2PinConnection aRGB3-Pin 5VPump compatibilityD5/VPPMax working temperature60 °CPressure tested 0.8 barColorblack


