Have HVAC Questions? Ask an HVAC Expert for Answers
You should be able to contact any licensed Rheem dealer and they should be able to get yo a replacement under warranty as long as you have the invoice showing install date.
Did you have it installed or purchase yourself?
If you do not know who is a dealer near you, contact Rheem at number on link for customer service warranty and parts below and they will provide local dealer info.
Have you called the number I sent link to?
What is serial number?