This guarantee shall come into effect only provided:

● Our instructions for installation and welding procedures have been strictly followed.

● Proof that only genuine products or products approved and supplied by IPI have been used.

● Within 14 days of discovery of fault, a written advice is received by IPI.

We are not obligated to the quality problems due to the following situations:

● Due to incorrect installation or usage.

● Use polygon® pipes and fittings under unnormal or non-applicabletemperature and pressure.

● The pipe system which consists of not all polygon® pipes and fittings.

● Pipe system fault caused by force majeure.

● The problem caused by or in transportation.