Precision Timing: Microprocessor control delivers a consistent 4-second Trial for Ignition (TFI) and 20-second heat-up period

reducing labor time during reassembly

The Johnson Controls VG2231UM292NGGA is a heavy-duty 3-inch 2-way normally open globe valve assembly engineered for precise throttling in high-demand HVACR systems

The kit typically includes the integrated furnace control board and necessary mounting hardware

or a failing blower motor causing the heat exchanger to overheat

York S1-025-41168-000 Expansion Valve 321042-401 Precision Timing: Microprocessor control deliversThe York S1 025 41168 000 Expansion Valve is a precision engineered OEM thermal expansion valve designed for high capacity 5 ton R410A air conditioning and heat pump systems. This mechanical TXV regulates the mass flow of refrigerant into the evaporator coil, maintaining the exact superheat required to prevent liquid refrigerant from migrating back to the compressor. Featuring 3 8" x 5 8" ODF solder connections, this valve provides the robust,