Cost: $25 per person

In this 4 hour class you will learn about;

How to retrieve error codes from control history,
• then understand what happened and why,
• & run test to find failed parts needing replaced

Using multimeters, ohmmeters, and combustion analyzers;
• checking / measuring sensor resistance values 
• checking high & low voltage wiring
• checking boiler efficiency and CO levels

Annual maintenance procedures for;
• cleaning HXs, burners, and ignition controls
• system pressurization and air elimination 
• checking gas pressures and venting
• testing water for treatment needs

...and much more when working on WM Evergreen, Ultra, AquaBalance and CG boilers