FLUE EXHAUST & COMBUSTION AIR SYSTEMS,

DRYER VENTING SYSTEMS, ECONOMIZERS,

BOILER, WATER & GENERATOR STACKS

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Stainless Steel vs. PVC/CPVC Venting.

Understanding the Differences is Important.

When designing a condensing boiler or water heater system, one important consideration is what material should be used to vent the appliance. For some appliances, the Manufacture will only allow AL29-4C grade of stainless steel. But some Manufactures will also allow PVC and CPVC, under strict guidelines.
Let’s look at some questions and answers addressing Stainless Steel vs. PVC/CPVC

Selkirk Flue Systems

Heat Fab Condensing Flue Systems