Garage Door Repair & InstallationOpen 24 Hours — 7 Days a Week
Anderson Garage Door Service
Call for Service
(203) 902-3902
Brands we service & repair

LiftMaster, Chamberlain, Genie, Wayne Dalton, Clopay, and Amarr.

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

Match the whole number.

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

Values apply to the exact identifier and scope in the cited source.
Supplier-stated detailLiftMaster Security+ transmitter with three buttons operating at 315 MHz.
View source and citation details
Selection limitationButton count does not independently establish three opener pairings. Exact installed-opener compatibility requires separate evidence.
View source and citation details

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. Read the documented direction and conditions for each pairing.
Equipment or component / relationshipEvidence and conditions
395LM

Documented compatibility

From 395LM to 373LM.

Conditional

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.

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.

The listed pairing applies in the direction shown above. Open the listed component’s reference to check its pairing with this item. You can also look up another part or accessory. A missing pairing does not establish incompatibility.

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

  1. Denco supplier reference: RC 373LMDenco · US · checked 2026-09-12
  2. 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.

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.

Need help with an opener or control problem?

Garage Door Opener Repair: what an inspection or installation involves →

Share the equipment label and symptom. Availability is confirmed for the exact service address before scheduling. This reference does not establish a fault, part fitment, or repair availability for a particular model.

This is an independent Anderson reference. Manufacturer names identify the equipment and do not imply affiliation or authorized-dealer status.

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

One Request. Three Simple Steps.

Let’s start with your door.

No need to leave this page. You can change your answers at any step.

  1. 1 The problem
  2. 2 Your location
  3. 3 Contact details

Your request is sent to Anderson. Appointment timing and any visit charge are confirmed with you.

What do you need help with?

Selected service: Opener repair. You can change this. Reason: Reference: LiftMaster 373LM.

If the door is crooked or partly open, keep clear. Do not adjust springs or cables yourself.

From our customers

What customers say on Google

G5.0★★★★★9 reviews
6 written Google reviews

Mama Bear

3 weeks ago

G
★★★★★
The service was fantastic- courteous, knowledgeable and honest.
Excerpt from Google review

Yehuda Robinov

a month ago

G
★★★★★
Very very professional guys good jobs good service

adam ricker

3 months ago

G
★★★★★
Great worker

David Avitan

3 months ago

G
★★★★★
They replaced three garage door motors for me, and the service was excellent from start to finish.
Excerpt from Google review

Mary larson

4 months ago

G
★★★★★
Very good service and very polite

Tippawan Markmaitree-Babin

4 months ago

G
★★★★★
Very good work, polite and flexible in scheduling appointments.

Reviews from Google. Rating and relative dates checked October 1, 2026. This is a dated snapshot, not a live feed.

Serving your home with pride

Check service availability in your area.

Call now to discuss the problem and check availability for your ZIP. The exact service address is confirmed before scheduling.

Call (203) 902-3902