Gas heating preventative maintenance performed Check filter - 20x25x4 new today owner supply Clean flame sensor Inspect burners - dirty - replaced with stainless steel today. Ohm test igniter: 48.9 Inspect wiring for loose connections and/or hot spots - none found Check humidifier pad: Inspect exhaust flu - 2” pvc no concerns Set thermostat for heat Check amp draw on blower motor: 3.42 Check amp draw on inducer motor:0.96 Check delta T - 48° Furnace is in optimal running conditions