Hello MA, I am sorry to hear about your frustrating experience with the TOTO Aquia. I am not sure if you are referring to TOTO or Home Depot as the company, but please reach out to us directly to get the proper replacement parts. Our Technical Support team is standing by to take your call. They can be reached at techsupport@toto.com or call 1-888-295-8134 between 8am - 8pm Mon - Fri EST and press "4" when prompted. We also have live chat on the TOTO USA website. Customer satisfaction is very important top us, so we hope to hear from you soon. I hope this helps and thank you for choosing TOTO.