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LOOK-ALIKE PARTS / SPEC COMPARISON
10816290 vs. 10816292
Treat these as non-interchangeable. These left-hand Ultimate single-arm operators have 10-inch and 14-inch arms and different frame-width applications.
IllustrationMarvin Ultimate 10" operator · left · E-Gard ↗
IllustrationMarvin Ultimate 14" operator · left · E-Gard ↗
| Specification | 10816290 | 10816292 |
|---|---|---|
| Mechanism / profile | Straight arm | Straight arm |
| Hand | Left | Left |
| Arm length | 10" | 14" |
| Frame width | 20"–24" | 24.001"–30" |
| Finish / hardware package | E-Gard | E-Gard |
| Fitment | Ultimate casement and casement polygon/round-top; frame width 20"–24". French casement sizing is separately tabulated in the source. | Ultimate casement and casement polygon/round-top; frame width 24.001"–30". French casement sizing is separately tabulated in the source. |
| 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.