GH4 - Wiring Diagrams, Troubleshooting, and Preventive Maintenance
Taught by Chris Cordia from American Trade School, the 1-PEU course will cover Gas Piping, Gas Furnace Wiring Diagrams & Troubleshooting Flowcharts, Spark Ignition & Intermittent Pilot Systems Troubleshooting, and Preventative Maintenance.