How To Look At A House

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What is the difference between PVC and CPVC pipe?

Saturday, May 21, 2022

They are similar, but not the same. PVC (PolyVinyl Chloride) is bright white and cannot be used for water supply pipe inside a home or for hot water. It is primarily for water service pipe coming to the home and drain/waste pipe inside and leaving it. CPVC (Chlorinated PolyVinyl Chloride) is cream to tan color and approved for both hot and cold supply pipes inside a home. 

    Also see some of our other articles about PVC and CPVC pipe to learn more:  

Are plastic pipes (PVC, CPVC, and PEX) safe for drinking water? 

How can I tell what type of plumbing pipe I have?

What is the average life expectancy of PVC pipe? 

What is the average life expectancy of CPVC pipe?

What is the difference between green and white sewer drain pipes?

Why is sunlight exposure bad for PVC pipe?

Why can't PVC be used for water pipe inside a house? 

What is the difference between PVC and ABS plumbing pipe?  

• Can PVC pipe be used for indoor plumbing? 

• Can you connect CPVC pipe directly to a gas water heater?   

Why is some PVC pipe black?

• What is the difference between PVC water pipe and PVC electrical conduit? 


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