Z-flex brand stainless steel venting pipe, fittings and parts - approved for for installation with Category III (standard efficiency/non-condensing, power-vented) and Category IV (high efficiency/condensing, power-vented) gas fired appliances. Recommended for Takagi and other brand tankless & storage-type water heaters, as well as wall-hung and floor-standing boilers.
Made in the USA from AL29-4C steel and meets UL 1738 standard.
This product does not meet the new low-lead criteria defined in Safe Drinking Water Act
and cannot be used for potable water applications,
including for drinking and cooking. This product can be used for non-potable water
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