Performed heating maintenance 20x25x4 (use Honeywell brand) needs replaced Humidifier #35 water panel in good shape Bypass damper open Humidity set to 40% Tightened packing nut on water shutoff valve to stop a small drip Humidifier operating properly and no water leaks during operation Wired thermostat for 2 stage heat Adjusted furnace for no upstaging delay on a W2 call Pulled and cleaned burners **Gary wants to upgrade to stainless steel burners next heat maintenance** Cleaned flame sensor Trap is clear High fire gas pressure 3.5"wc, 52⁰ temperature rise Low fire gas pressure 1.7"WC 48⁰ Temperature rise Furnace is in good working order and operating within factory specs at this time.