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LOOK-ALIKE PARTS / SPEC COMPARISON
39-031 vs. 39-032
Treat these as non-interchangeable. These are opposite-hand partners. Matching the spline and link length does not make the mirrored assemblies interchangeable.
IllustrationTruth EntryGard dual-arm operator · left ↗
IllustrationTruth EntryGard dual-arm operator · right ↗
| Specification | 39-031 | 39-032 |
|---|---|---|
| Mechanism / profile | Dual arm | Dual arm |
| Hand | Left | Right |
| Handle spline | 11/32" | 11/32" |
| Link arm, overall | 4-7/16" | 4-7/16" |
| Link offset | Downward | Downward |
| Fitment | Wood, metal and vinyl casement windows using the matching EntryGard mechanism. Brand alone does not establish fit. | Wood, metal and vinyl casement windows using the matching EntryGard mechanism. Brand alone does not establish fit. |
| Original source | Check source ↗ | Check source ↗ |
The interchangeability warning is an editorial conclusion from the documented differences above. Always check the supplier’s current drawing and your original part.