Tianjin Hongzhou swimming pools are guaranteed, to the original purchaser only, for a period of 12  months for sand filter/pump combo & pool liner & accessories and a period of 24 months for pool wall & pool frame from the date of purchase against manufacturing defects or defective material. The guarantee does not cover deterioration of the product or accidents arising from negligence defective installation or  improper usage etc. The PVC Liner is not guaranteed should the pool be dismantled and reassembled. This guarantee does not include the liner discoloration or stains. Manufacturer Tianjin Hongzhou does not take responsibility of the damages caused by an inaccurate preparation of the site. Both cases will be out of   guarantee. Receipts must be presented when making any complaint.