Gas heating preventative maintenance performed Check filter - 16x25x4 new today Clean flame sensor Inspect burners - clean no concerns Ohm test igniter: 51.2 Inspect wiring for loose connections and/or hot spots - none found Check humidifier pad: due soon homeowner requested we return to replace it as soon as available he is aware of our current schedule being far out. Inspect exhaust flu - no concerns Set thermostat for heat Check amp draw on blower motor: 7.0 Check amp draw on inducer motor:0.6 Check delta T - 52.1 Furnace is in optimal running conditions