- Tech replaced failed ignition control board and confirmed proper operation. - Checked natural gas pressure reading 5.47/3.43 in second stage. - Advised customer that the compressor was reading in the caution zone during previous service visit. - Previous tech inspected the heat exchanger and found no concern. Advised customer that the system is aged and the warranty is expired - if any major repairs are needed, tech recommends replacing the system. - Sprayed insect repellent inside and around the package unit per customer request. Confirmed clean air filter and blower operation. - Draft inducer is drawing 0.34 amps in second stage. Customer inquired about lifespan - tech advised all components have the potential to fail at any time on account of age. - Tech recommended opening all the doors to circulate air. System is operating normally at this time. Collected check.