Furnace number 1 failed combustion test, indicates failed heat exchanger. 23 years old Furnace needs replaced 5 system heating maintenance Third floor system (#5) Cleaned flame sensor Blew out trap Gas pressure 3.5 for high fire and 1.7 for low fire Temp rise 63⁰ Filter clean Electronic portion of the air cleaner has failed Replacement parts are discontinued Humidifier pad looks unused Found humidifier not functional Diagnosed failed humidistat System has a Honeywell VisionPro8000 thermostat capable of humidifier control Wired humidifier to the thermostat. Also wired both heat stages to the thermostat for better system control. Master bedroom system (#4) Replaced filter The filter cabinet has been installed in the wrong orientation since day 1. Will need Uninstalled and flipped or replaced. Humidifier water panel looks unused Also found this humidifier non-functional Wired to the thermostat and verified proper operation Gas pressure 3.5 and 1.6 Temp rise 35 Cleaned flame sen
