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LOOK-ALIKE PARTS / SPEC COMPARISON
11862747 vs. 11862748
Treat these as non-interchangeable. These left-hand Modern operators have 10-inch and 14-inch arms, assigned to different frame-width ranges.
IllustrationMarvin Modern 10" single-arm operator · left ↗
IllustrationMarvin Modern 14" single-arm operator · left ↗
| Specification | 11862747 | 11862748 |
|---|---|---|
| Mechanism / profile | Straight arm | Straight arm |
| Hand | Left | Left |
| Arm length | 10" | 14" |
| Frame width | 20.000"–24.000" | 24.001"–30.000" |
| Finish / hardware package | Painted Silver | Painted Silver |
| Fitment | Modern crank-out casement; frame width 20.000"–24.000". | Modern crank-out casement; frame width 24.001"–30.000". |
| 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.