Back of house system non-operational due to weak thermostat batteries Replaced batteries in all 3 thermostats (each takes two AAs) Converted call to 3 system heating maintenance Back of house system: Replaced 210 air filter Cleaned flame sensor Condensate trap clear Gas pressure 3.2/1.3" Humidifier leaking water Replaced #35 humidifier water panel Humidifier has no leaks present at this time Set humidity to 40% Master bedroom system: Replaced 210 air filter Cleaned flame sensor Found condensate leak inside the furnace Removed the inducer assembly Cleaned gasket mating surfaces and applied high temp RTV gasket maker Reassembled Replaced humidifier #35 water panel Gas pressure 3.2/1.3" No water leaks present at this time Set humidity for 40% Attic system: Replaced 410 air filter Cleaned flame sensor Gas pressure 3.5/1.7" Blower clean UV light functional No signs of water leaks at this time