Gas heating preventative maintenance performed Check filter - 16x25x4 Clean flame sensor Ohm test igniter: 68.7ohms Inspect wiring for loose connections and/or hot spots - none found Check humidifier pad: n/a Inspect exhaust flu - 2” pvc Set thermostat for heat Check amp draw on blower motor: 2.13 Check amp draw on inducer motor:0.69 Check delta T - 45° Furnace is in optimal running conditions