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LOOK-ALIKE PARTS / SPEC COMPARISON
10896279 vs. 10896281
Treat these as non-interchangeable. Marvin assigns the dyad and dual-arm operators to different frame sizes. Choose by the catalog’s window size and mechanism, not just the left-hand designation.
IllustrationMarvin Essential dyad operator · left ↗
IllustrationMarvin Essential dual arm operator · left ↗
| Specification | 10896279 | 10896281 |
|---|---|---|
| Mechanism / profile | Dyad | Dual arm |
| Hand | Left | Left |
| Frame width applicability | < 27.50" | ≥ 27.50" |
| Finish | EGard | EGard |
| Fitment | Marvin Essential Casement, EGard finish. CN16 and CN20; rough opening below 28.00 inches; frame below 27.50 inches. | Marvin Essential Casement, EGard finish. CN26 and CN30; rough opening at least 28.00 inches; frame at least 27.50 inches. |
| 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.