Armstrong Furnace A4TXV01-1 Expansion Valve 321894-708 two specialized gaskets for a

two specialized gaskets for a secure seal

Why should I use an OEM arm instead of a universal bracket

Efficient Gas Control: Specifically optimized for pilot-operated gas shutoff

this sensor provides the reliability required for both high-efficiency and standard-efficiency York furnace models

providing a reliable drop-in solution for legacy unit repairs

Armstrong Furnace A4TXV01-1 Expansion Valve 321894-708 two specialized gaskets for aThe Armstrong Furnace A4TXV01 1 is a high precision thermostatic expansion valve (TXV) engineered for R 410A refrigerant HVAC systems. This OEM expansion valve is a critical component for 2 to 3 ton air conditioning units and heat pumps, ensuring that the evaporator receives the exact amount of refrigerant needed for peak cooling performance. By maintaining a constant superheat, the A4TXV01 1 TXV kit protects the compressor from liquid slugging while