TECHNICIAN KEVIN PERFORMED A ONE SYSTEM PREPAID HEAT CHECK. CHECKED FILTER OK 20X25X1. INSPECTED BLOWER, ELECTRICAL, AND IGNITOR ALL OK. CLEANED AND TESTED FLAME SENSOR. CHECKED MOTOR AMPS AND CAPACITOR BOTH WERE OK. TESTED LIMIT AND PRESSURE SWITCHES OK. CHECKED CO IN FLUE 38 PPM OK. CHECKED CO IN AIRSTREAM 0 PPM OK ON TEST DATE. CHECKED TEMPERATURE RISE 56* OK.