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this valve must be installed in a vertical upright position with the spindle vertical
75" wc (water column) monitoring in high-efficiency heating systems
the THT2437 is functionally identical to 1NT21L-2164 and replaces legacy part numbers including THT01222 and THT1222
This allows it to work effectively with HFC refrigerants like R-407C while remaining compatible with R-22 systems
maintaining the strict safety tolerances required for 90-plus percent AFUE condensing units
Carrier EA02SC426 TXV 340155-7024 this valve must be installedThe Carrier EA02SC426 is a professional grade 8 ton thermostatic expansion valve engineered for precise refrigerant metering in high capacity light commercial and residential split systems. As a 5 8" ODF solder inlet bi metal component, this TXV valve is designed to maintain the hit on superheat required for R 22 and other compatible refrigerants like R 134a and R 404A. Technicians trust this factory authorized part for its ability to modulate flow