Courses
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All Courses, Jim Johnson-TTA, Electrical, Heating, Troubleshooting
Troubleshooting and Servicing Electric Furnaces Video
4 Lessons $56.95 -
All Courses, Jim Johnson-TTA, Fundamentals
TXV Refrigeration Systems Superheat & Subcooling Video
2 Lessons $21.95 -
All Courses, Jim Johnson-TTA, Electrical, Compressors, Motors
Understanding Compressor Motor Windings Video
2 Lessons $21.95 -
All Courses, Jim Johnson-TTA, Electrical
Understanding Potential Relays and Start Capacitors Video
2 Lessons $21.95 -
All Courses, Jim Johnson-TTA, Electrical, Heat Pumps, Troubleshooting
Uncomplicating the Heat Pump: Electrical Systems Troubleshooting Video
5 Lessons $56.95 -
All Courses, Jim Johnson-TTA, Electrical, Heat Pumps
Uncomplicating the Heat Pump: Servicing Refrigeration and Air Flow Systems Video
5 Lessons $56.95