Hello Muhammad,
Thank you for reaching out to American Standard. I’m sorry to hear of the issue you have had with your American Standard product. I know that situation can be very frustrating. This model comes with a five year parts warranty, a one year seat warranty, and a limited lifetime china warranty with copy of purchase receipt. If you ever have questions, or need to place a claim, please contact us at 1-855-815-0004 and an American Standard Consumer Connection Advisor will be happy to assist you. We are available Monday - Friday between 8AM - 7PM ET.
Sincerely,
Nicole
Your American Standard Consumer Connection Team