LiftMaster / Accessory reference

LiftMaster L979M

LiftMaster L979M: Described for LiftMaster, Chamberlain, Raynor and Craftsman garage-door openers manufactured after 1997, excluding Craftsman Series 100.

US source scopeUpdated 2026-09-12Independent Anderson reference

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Manufacturer identifier: L979M. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Denco supplier reference: RC L979Mh1; span.sku; Description first bullet: four-brand/date scope and explicit Craftsman Series100 exception; Description later spaced-text bullets: auto detection, myQ Security+3.0 features, temporary PINs and one press closing · checked 2026-09-12 · Denco

Values apply to the exact identifier and scope in the cited source.
Supplier-stated detail	Described for LiftMaster, Chamberlain, Raynor and Craftsman garage-door openers manufactured after 1997, excluding Craftsman Series 100. Denco supplier reference: RC L979Mh1; span.sku; Description first bullet: four-brand/date scope and explicit Craftsman Series100 exception; Description later spaced-text bullets: auto detection, myQ Security+3.0 features, temporary PINs and one press closing · checked 2026-09-12 · Denco
Supplier-stated detail	Automatic frequency detection, temporary PINs and one-press closing are listed. myQ app PINs, schedules, notifications, history and battery status are limited to Security+ 3.0 openers. Denco supplier reference: RC L979Mh1; span.sku; Description first bullet: four-brand/date scope and explicit Craftsman Series100 exception; Description later spaced-text bullets: auto detection, myQ Security+3.0 features, temporary PINs and one press closing · checked 2026-09-12 · Denco
Selection limitation	The Craftsman Series 100 exclusion takes precedence. The source does not enumerate exact model membership or extend the app features to Security+ 2.0. Denco supplier reference: RC L979Mh1; span.sku; Description first bullet: four-brand/date scope and explicit Craftsman Series100 exception; Description later spaced-text bullets: auto detection, myQ Security+3.0 features, temporary PINs and one press closing · checked 2026-09-12 · Denco

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No direct successor for L979M is verified in this reference.

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Sources & scope

Denco supplier reference: RC L979MDenco · US · checked 2026-09-12

Anderson prepared this reference from the listed evidence. Source statements are not an Anderson installation inspection or independent product test. Official documents stay on their publisher’s website.

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