PPR Water Pipe Is Divided Into Cold Water Pipe And Hot Water Pipe How To Distinguish?

PPR pipe is divided into cold water pipe and hot water pipe. The difference is that there is a blue line on the cold water pipe and a red line on the hot water pipe.

In addition, there are signs such as S5 S4 S3.2 S2.5 on the PPR pipe. Generally, S5 S4 is a cold water pipe with a thinner wall thickness, and S3.2 S2.5 is a hot water pipe with a thicker wall thickness.