Armstrong Furnace H4TXV03-1 TXV Valve R-410A this direct replacement for D-3073

this direct replacement for D-3073 is corrosion-resistant and chemically resilient

ensuring the system transitions correctly between heat stages based on inducer draft

Helps maintain efficient air conditioning and heat pump performance

Verify your fan blade pitch or blower wheel rotation before installation

Field Serviceable: Features externally adjustable superheat and a replaceable thermostatic element for simplified maintenance

Armstrong Furnace H4TXV03-1 TXV Valve R-410A this direct replacement for D-3073The Armstrong Furnace H4TXV03 1 TXV Valve is a critical high precision metering device engineered to optimize the performance of R410A refrigerant systems. As an essential component for 4 to 5 ton HVAC units, this thermostatic expansion valve (part number 1. 851365) ensures the exact volume of refrigerant enters the evaporator coil, preventing liquid slugging and maximizing heat exchange efficiency. The H4TXV03 model serves as the direct updated