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- Installed immediately above the appliance, the test port allows plumbing and heating professionals to sample flue gases and ensure the appliance is operating at optimum efficiency.
- ColorGrayDomestic / ImportDomesticMaterialPolypropyleneSuitable For Use WithInnoFlue® Polypropylene Vent SystemsLength7 inManufacturerCentrothermManufacturer #ISTP03Nominal Size3 inOutside Diameter3.8 in
