Internal Durability: Dual EPDM O-rings and graphite-reinforced seats offer superior wear resistance and leak-free operation

this component is constructed from heavy-duty materials to resist the structural fatigue caused by continuous outdoor operation

Professionals rely on its multipoise mounting capability

outlet pressure range (water column)

Armstrong Furnace H4TXV03-1 TXV Valve Els PW 17895 Internal Durability: Dual EPDM O-ringsThe 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