OXBOX BY TRANE – TXV KIT, COIL AND AIR HANDLER 1.5 – 3.0 TON, R-454B – 5AYTXVH3A1836A

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OEM Quality TXV Kit – Authentic part designed for reliable performance and compatibility with Trane and Oxbox indoor coils/air handlers.
1.5–3.0 Ton Capacity – Sized for medium residential cooling and heating applications.
R-454B Refrigerant Compatible – Optimized for modern low-GWP refrigerant systems.
Precise Refrigerant Metering – Improves system efficiency, comfort, and overall performance by accurately regulating refrigerant flow based on load conditions.
Easy Integration – Designed for straightforward installation during new builds or replacement jobs.

Categories Oxbox, TXV Kit Tag OXBOX BY TRANE Brand: OXBOX BY TRANE

Description

A Thermostatic Expansion Valve (TXV) Kit designed for use with indoor coils or air handlers sized 1.5‑3 tons, specifically on systems using the refrigerant R‑454B.
The listed part number for that capacity is OXBOX 5AYTXVH3A1836A (shown in the OXBOX submittal sheet).
Typical use: When you’re converting or installing an air handler/coil system for R‑454B refrigerant, replacing the standard orifice or incongruent metering device with a TXV kit ensures proper refrigerant metering and system performance.

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