R72DB0104DF Mortex R454B TXV 3-5 Ton

Mortex R72DB0104DF OEM TXV — 3 to 5 Ton, R‑454B The R72DB0104DF is the factory‑specified R‑454B thermostatic expansion valve used in updated Mortex and Nordyne evaporator coil assemblies. Designed for 3–5 ton systems, this TXV provides precise refrigerant metering, stable superheat, and reliable cooling performance under R‑454B’s A2L operating characteristics. The DF revision includes updated OEM mounting hardware, improved bulb‑strap configuration, and metering calibrated specifically for R‑454B coil platforms. Direct OEM fit for R‑454B Mortex coil housings and compatible outdoor units.

Cross Reference:

• R72DB0104DF (current OEM, DF revision)

• Mortex/Nordyne R‑454B TXV, 3–5 Ton

• Successor to R‑410A TXVs (R72DB0058DF–R72DB0060DF)

• Compatible with updated R‑454B tube‑and‑fin and micro‑channel coils