Gas heating preventative maintenance performed Check filter - 20x25x1 new today Clean flame sensor Inspect burners - no concerns Ohm test igniter: 47.3 Inspect wiring for loose connections and/or hot spots - none found Check humidifier pad: n/a Inspect exhaust flu - 3”/5”/7” Y for flue forming holes as well as 5” 90° and 3” straight pipe section. Set thermostat for heat Check amp draw on blower motor: 3.45 Check amp draw on inducer motor:0.36 Check delta T - 56° Furnace is in optimal running conditions Built estimate for flue repairs if interested.