LiftMaster / Accessory reference

LiftMaster L993S

LiftMaster L993S: Controls up to three LiftMaster Security+ 3.0 garage-door openers.

US source scopeUpdated 2026-09-12Independent Anderson reference

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Manufacturer identifier: L993S. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Denco supplier reference: RC L993Sh1; span.sku; Description three bullets: three-opener limit and app features · checked 2026-09-12 · Denco

Values apply to the exact identifier and scope in the cited source.
Supplier-stated detail	Controls up to three LiftMaster Security+ 3.0 garage-door openers. Denco supplier reference: RC L993Sh1; span.sku; Description three bullets: three-opener limit and app features · checked 2026-09-12 · Denco
Supplier-stated detail	Listed myQ app functions include programming, naming, notifications, access history and battery status. Denco supplier reference: RC L993Sh1; span.sku; Description three bullets: three-opener limit and app features · checked 2026-09-12 · Denco
Selection limitation	Exact opener membership and a numeric radio range are not supplied. The Security+ 3.0 scope does not establish earlier-generation support. Denco supplier reference: RC L993Sh1; span.sku; Description three bullets: three-opener limit and app features · checked 2026-09-12 · Denco

Documented fitment & exclusions

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No equipment or component pairing is verified in this published reference. Match the exact equipment with LiftMaster official support before selecting a component.

Direct replacement paths

No direct successor for L993S is verified in this reference.

A direct replacement statement does not establish reverse interchangeability, a kit equivalent or a later replacement chain.

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Selected: L993S · Read its reference. Selection identifies a record; it does not confirm fitment.

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No recall reference is included for this identifier in the published dataset. This is not a safety clearance or proof that no recall exists.

Sources & scope

Denco supplier reference: RC L993SDenco · 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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This is an independent Anderson reference. Manufacturer names identify the equipment and do not imply affiliation or authorized-dealer status. Anderson provides repair service in its listed Connecticut communities.

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