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Get FG Toolbox old version APK for Android
App to help the daily life of refrigeration professionals.
We gather in a single app tools like unit converter, fluid refrigerant ruler and the VEE Selector, which bring many practicalities to the work routines.What's New in the Latest Version 4.0
Last updated on Apr 17, 2026
- Addition of new electronic expansion valve models: SB513, SB517, SB520, SB525, SB530, SB535, SB540, SB840, SB845, SB855 and SB865;
- Usability improvements;
- Interface adjustments;
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FG Toolbox
4.0 by Full Gauge Controls
Apr 17, 2026