Navien - M# NCB-240E - S# 6610A20Y1181053 Completed the preventative maintenance on a 2 year old boiler. Turned the unit on and the system started right up. Performed a amperage reading on the inducer motor it was 0.3 amps. Cleaned the flame sensor, spark ignition and burner compartment. Cleared condensate pump and confirmed draining properly. System is operating as per the manufacturer specifications.