LiftMaster / Accessory reference

LiftMaster 811LMX

LiftMaster 811LMX: The supplier identifies the programmable single-button remote as 811LMX while retaining RC 811LM as its supplier number.

US source scopeUpdated 2026-09-12Independent Anderson reference

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Manufacturer identifier: 811LMX. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Denco supplier reference: RC 811LMh1; span.sku; Description programmable-mode parent/nested bullets; Description explicit892LT/894LT cloning bullet · checked 2026-09-12 · Denco

Values apply to the exact identifier and scope in the cited source.
Supplier-stated detail	The supplier identifies the programmable single-button remote as 811LMX while retaining RC 811LM as its supplier number. Denco supplier reference: RC 811LMh1; span.sku; Description programmable-mode parent/nested bullets; Description explicit892LT/894LT cloning bullet · checked 2026-09-12 · Denco
Supplier-stated detail	Modes are encrypted DIP Security+ 2.0 labelled 811LM by default, 315 MHz DIP labelled 361LM, and 390 MHz DIP labelled 61LM. Denco supplier reference: RC 811LMh1; span.sku; Description programmable-mode parent/nested bullets; Description explicit892LT/894LT cloning bullet · checked 2026-09-12 · Denco
Supplier-stated detail	892LT and 894LT are named for cloning. Denco supplier reference: RC 811LMh1; span.sku; Description programmable-mode parent/nested bullets; Description explicit892LT/894LT cloning bullet · checked 2026-09-12 · Denco
Selection limitation	Mode labels do not make these products aliases or unconditional replacements. Check the programmed mode and cloning purpose; exact downstream opener fitment is not supplied. Denco supplier reference: RC 811LMh1; span.sku; Description programmable-mode parent/nested bullets; Description explicit892LT/894LT cloning bullet · checked 2026-09-12 · Denco

Documented fitment & exclusions

Read the exact equipment or component, market, production and variant limits in every row. An omitted pairing has not been verified by this reference.

A component pairing applies only to the listed items and source conditions. It does not establish suitability for an installed opener or compatibility through another component.

Source statements and their exact conditions. Use the checker below to compare equipment or a component.
Equipment or component / relationship	Evidence and conditions
892LT Documented compatibility From 811LMX to 892LT.	Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed connection-purpose source conditions Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. Denco names 811LMX in the stated application with 892LT. 811LMX has separately described 811LM, 361LM and 61LM programming modes. Those mode names are not aliases or unconditional replacement claims. Applies only within this source scope Market: US connection-purpose: Cloning with the named learning remote; verify the programmed DIP mode. Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test. 811LMX has separately described 811LM, 361LM and 61LM programming modes. Those mode names are not aliases or unconditional replacement claims. Denco supplier reference: RC 811LMh1; span.sku; Description programmable-mode parent/nested bullets; Description explicit892LT/894LT cloning bullet · checked 2026-09-12 · Denco
894LT Documented compatibility From 811LMX to 894LT.	Conditional Additional source conditions or an adapter must be checked before confirming compatibility. Details still needed connection-purpose source conditions Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified. Denco names 811LMX in the stated application with 894LT. 811LMX has separately described 811LM, 361LM and 61LM programming modes. Those mode names are not aliases or unconditional replacement claims. Applies only within this source scope Market: US connection-purpose: Cloning with the named learning remote; verify the programmed DIP mode. Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test. 811LMX has separately described 811LM, 361LM and 61LM programming modes. Those mode names are not aliases or unconditional replacement claims. Denco supplier reference: RC 811LMh1; span.sku; Description programmable-mode parent/nested bullets; Description explicit892LT/894LT cloning bullet · checked 2026-09-12 · Denco

Direct replacement paths

No direct successor for 811LMX 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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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 811LMDenco · 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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