You’ll discover:

• How to identify and troubleshoot the two most popular control types
• Understanding the relationship between controllers and pool heaters
• Proper testing procedures when a heater won’t respond
• Decoding wire configurations (2-wire vs 3-wire systems)
• How to program control boards for different setups
• Common installation mistakes and their solutions

Perfect for technicians dealing with vacation rental service calls where “spa not heating” is the complaint. Bert demonstrates essential diagnostic processes including how to test actuators, verify thermostat functionality, and use manufacturer installation manuals to solve complex issues.
Whether you’re responding to vacation rental calls or setting up new systems, this video will save you time and prevent callbacks.