The CEI hot oil heater (reconditioned) was just put through electrical tests:
New UV-resistant tray cable wire installed for pump and burner blower motor
Pressure switch works
Hot oil motor starter works
Burner blower motor starter works
Main fuel Maxon valve works
Pilot solenoid valve works
Ignition transformer for the spark plug works
Automatic primary safety control works
Flow switch works
Main breaker is 100% functional