​The image shows a Wilo-Star-Z NOVA (ROW) high-efficiency domestic hot water circulation pump. 

​Key Technical Specifications:
​Brand: Wilo
​Model: Star-Z NOVA (ROW)
​Power Supply: 1\sim230\text{V}, 50\text{Hz}
​Current: 0.05\text{A}
​Installation Length: 84\text{mm}
​Connection: Rp 1/2"
​Pressure Rating: PN10
​Note: This circulator is specifically designed and certified as suitable for drinking water only, making it ideal for residential hot water systems