Download the Carrier SMB13-0004 Service Bulletin - Here (http://www.hvactechgroup.com/files/SMB13-0004.pdf)
QuoteMODELS AFFECTED:
Carrier 59MN7 59TN6 59TP5 59SP5 59SC5 59SC2
Bryant 987M 986T 925T 925S 915S 912S
Payne PG96V PG95X PG95S PG92S
Serial Number(s): 2711A to 4012A
SITUATION:
The 90% furnace team is aware of an issue with possible defects in the collector box of some 90% furnaces. In some cases, this can result in minor condensate leaks. This situation does not pose any risk to safety, degradation to performance, or reduced efficiency of the product.