LiftMaster / Accessory reference

LiftMaster 373LM

LiftMaster 373LM: LiftMaster Security+ transmitter with three buttons operating at 315 MHz.

US source scopeUpdated 2026-09-12Independent Anderson reference

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Manufacturer identifier: 373LM. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Denco supplier reference: RC 373LMh1; span.sku; Description two bullets: protocol/button count and frequency · checked 2026-09-12 · Denco

Values apply to the exact identifier and scope in the cited source.
Supplier-stated detail	LiftMaster Security+ transmitter with three buttons operating at 315 MHz. Denco supplier reference: RC 373LMh1; span.sku; Description two bullets: protocol/button count and frequency · checked 2026-09-12 · Denco
Selection limitation	Button count does not independently establish three opener pairings. Exact installed-opener compatibility requires separate evidence. Denco supplier reference: RC 373LMh1; span.sku; Description two bullets: protocol/button count and frequency · checked 2026-09-12 · Denco

Documented fitment & exclusions

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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
395LM Documented compatibility From 395LM to 373LM.	Denco group scope and separately reviewed membership associate 395LM with 373LM for the stated function. Applies only within this source scope Market: US connection-purpose: 395LM light or small-appliance switching through the named remote. Bounded Denco supplier group association; verify the stated configuration. No physical or human engineering certification. Load rating, outlet voltage and supported appliance limits are not supplied here. Confirm electrical suitability; this is not an arbitrary-load or downstream opener claim. Denco supplier reference: RC 395LMh1; span.sku; Description two bullets: explicit LiftMaster315MHz remote group and wall-outlet connection · checked 2026-09-12 · Denco Denco supplier reference: RC 373LMh1; span.sku; Description two bullets: protocol/button count and frequency · checked 2026-09-12 · Denco

Direct replacement paths

No direct successor for 373LM 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: 373LM · 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 373LMDenco · US · checked 2026-09-12
Denco supplier reference: RC 395LMDenco · 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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