Z-Flex Gas Vent Products

Z-flex brand stainless steel venting pipe, fittings and parts - approved for for installation with Category III (non-condensing, power-vented) and Category IV (condensing, power-vented) gas fired appliances. Recommended for Takagi tankless water heaters.
Note: Z-Vent series will be gradually transitioned to NovaVent. These use a different steel alloy, but meet the same high quality standards set by Z-Flex and are also UL 1738 listed.
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