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TXV KIT, COIL AND AIR HANDLER, 5.0 TON R-454B – 5AYTXVH3A6000A
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- A listing shows an accessory kit: ADP TXV Kit – R‑454B 3.5‑5 Ton (Part No. 167757902A) for coil/air handler applications.
- This covers the tonnage range up to 5 Ton, which might overlap with “5.0 Ton” systems.
- It explicitly states “Refrigerant Type – R‑454B”.
- A 5‑Ton evaporator coil with factory‑installed TXV for R‑454B is listed: “5 Ton … Multi‑Positional With TXV … R454B”
- So while it includes TXV, it’s a coil with TXV included rather than a separate kit for coil + air handler.
Description
The 5AYTXVH3A6000A is an OEM-grade thermostatic expansion valve (TXV) kit designed for 5-ton HVAC split systems that use the lower-GWP R-454B refrigerant. It precisely controls the flow of refrigerant into the evaporator coil, optimizing cooling performance and overall system efficiency. This kit helps ensure the right amount of refrigerant enters the coil so the refrigerant fully evaporates — improving efficiency and protecting internal components from improper refrigerant charge conditions.
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