LiftMaster / Accessory reference

LiftMaster 889LM

LiftMaster 889LM: The current supplier listing identifies 889LM and pairs it with the 828LM Internet Gateway for supported opener and lighting control.

US source scopeUpdated 2026-09-12Independent Anderson reference

Match the whole number.

Manufacturer identifier: 889LM. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Denco supplier reference: RC 889LMh1; span.sku; Description paired828LM gateway bullet; Description panel features and Alert-2-Close scope · checked 2026-09-12 · Denco

Values apply to the exact identifier and scope in the cited source.
Supplier-stated detail	The current supplier listing identifies 889LM and pairs it with the 828LM Internet Gateway for supported opener and lighting control. Denco supplier reference: RC 889LMh1; span.sku; Description paired828LM gateway bullet; Description panel features and Alert-2-Close scope · checked 2026-09-12 · Denco
Supplier-stated detail	Lists motion lighting, light-timing adjustment, supported-device programming, Timer-to-Close and audible/visual Alert-2-Close warnings. Denco supplier reference: RC 889LMh1; span.sku; Description paired828LM gateway bullet; Description panel features and Alert-2-Close scope · checked 2026-09-12 · Denco
Selection limitation	The source link contains 888LM, but does not establish an alias or replacement. Numeric closing delays and exact opener scope are not provided here. Denco supplier reference: RC 889LMh1; span.sku; Description paired828LM gateway bullet; Description panel features and Alert-2-Close scope · 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
828LM Documented compatibility From 889LM to 828LM.	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 889LM in the stated application with 828LM. Exact installed opener scope and service availability remain to be checked. The older page URL does not establish that 889LM replaces 888LM. Applies only within this source scope Market: US connection-purpose: Pairing the 889LM wall control with the 828LM gateway for supported opener and lighting control. Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test. Exact installed opener scope and service availability remain to be checked. The older page URL does not establish that 889LM replaces 888LM. Denco supplier reference: RC 889LMh1; span.sku; Description paired828LM gateway bullet; Description panel features and Alert-2-Close scope · checked 2026-09-12 · Denco
837LM Adapter requirement From 837LM to 889LM.	Denco names 837LM in the stated application with 889LM. For the four named 8500, 8500C, RJO20 and RJO20C applications, install the separately sold 889LM control of the specified date. The date applies to the wall control, not the opener. Applies only within this source scope Market: US Model scope: 8500, 8500C, RJO20, RJO20C required-wall-control: LiftMaster 889LM wall-control-manufacture-date: December 2022 or later Denco supplier statement for the US reference catalog; confirm the installed equipment and required functions. This is not a physical fitment test. For the four named 8500, 8500C, RJO20 and RJO20C applications, install the separately sold 889LM control of the specified date. The date applies to the wall control, not the opener. Denco supplier reference: LO 837LMh1; span.sku; Description bullets: illumination/mounting, app prerequisite, paired-light functions and16-light limit; Description final Warning bullet: exact four models,889LM manufacture date12/22or later and separately sold control · checked 2026-09-12 · Denco

Direct replacement paths

No direct successor for 889LM is verified in this reference.

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

Compare exact equipment or a component.

Check a part or accessory pairing

Part or accessory brand

Narrow part or accessory choices by the complete number (optional)

Loading part or accessory choices…

Part or accessory

Selected: 889LM · Read its reference. Selection identifies a record; it does not confirm fitment.

Equipment or accessory brand

Choose the equipment or accessory brand separately from the component brand. A missing identifier is unverified. Use the model library to identify your equipment and its source documents.

An accessory pairing, including a receiver or wall console, applies only to the exact listed pair and source conditions. It does not establish suitability for your installed opener or compatibility through another device.

Choose the equipment or accessory brand to load its published identifiers.

Equipment market

Production date, if known

Use the production date on the label or records, not the purchase date. Leave blank if unknown.

Use part and model numbers only. Never enter a serial number, PIN or access code. Your entry is used for this lookup and is not put in the page address, saved in browser storage or sent to analytics.

Choose a task and enter or select an exact identifier.

Recall references

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: LO 837LMDenco · US · checked 2026-09-12
Denco supplier reference: RC 889LMDenco · 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.

Related equipment guides

Browse the model library →

Confirm a missing detail

Use LiftMaster official support and match the complete part number, equipment model and production details with the source scope.

Use safely accessible labels and existing paperwork. Do not remove powered covers or adjust springs or cables to identify a component.

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.

A reference listing does not establish current stock, a price, eligibility for manufacturer support or that a component is faulty.