Haenke Flexible Metal Pipes are guaranteed for 12 (twelve) months from the date of installation, or 18 (eighteen) months from the invoice issuance date (whichever comes first).
This warranty only covers manufacturing defect, and does not apply to cases arising from non-observance of installation instructions, incorrect handling and inadequate storage of the product.
The Flexible Metal Pipes for the passage of natural gas are made of metallic alloy, the metals being non-perishable materials, the NBR 14177 standard does not specify its validity.
Haenke reserves the right to change any item in its products without prior notice. For additional information, consult the technical department.