Arrived onsite for heating maintenance 1 gas fired furnace with humidifier located in basement. Turn heat on and confirmed operation. Changed filter 20x25x4 provided by climate plus. Turned on humidifier and changed water panel 45. Observed broken water feed tube for the humidifier; repaired the water feed tube. Brushed and Wiped down blower cabinet and gas burners. Burners fired and are in good working order. No visual impingement detected. Checked electrical.. Measured heat rise at 40 degrees. System is operating as it should.