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CPVC vs. Stainless Steel Venting Systems
One offers long term advantages in high efficiency boiler systems
Chlorinated polyvinyl chloride (CPVC) first made its way into the world of venting systems in the residential market. In recent years, CPVC has been used to vent Category IV high efficiency boilers. While it can cost up to 20% less than AL 29-4C stainless steel, engineers specifying venting systems should consider other differences that may impact boiler efficiency and present potential safety hazards.