Upon arrival I checked in with Paul cleaned the filter grill T-Stat is hard wired in ( no Batteries) Cleaned out roof access cut out ( branches , leaves est.) Cleaned off the burner Cleaned off the flame sensor electrode Cleaned off spark igniter Checked the heat exchanger ( no cracks ) Test both 40/7.5 & 15 mfd run caps ( both are in Range ) Pulled amp draws on both blower & inducer motors Temperature rise is 35°, factory recommendation is 25°-55 ° Outlet gas pressure is 3.3 in w.c. The unit is operating at factory recommended specifications Job Complete