Link to the map of roof locations
RTU – 13 failed P/N LGA048HS2P, S/N 5601H10235, C/N S3273
RTU – 16 – oldest of the replaced heat exchangers.
P/N LGA036HS2Y, S/N 5601H10287, C/N 89R90
RTU – 18 Shows light rust on Heat exchanger
P/N LGA088HS1Y, S/N 5601H10546, C/N S3274