LiftMaster 373LM is a three button remote used to operate up to three garage door openers. The 373LM uses Security+ rolling code technology which sends a new code with every use. The code sent is randomly selected from over 100 billion options to make it nearly impossible to duplicate your remote signal. This remote features enhanced radio technology (ERT) which gives you better range.
Compatible with Chamberlain, Craftsman, LiftMaster and other private label models made from 2005 - current that have a purple learn button.
Includes:
Three button remote
Directional visor clip
5 year 3V lithium battery
Instructions
Dimensions: 3" X 1 3/4" X 9/16"
Specifications:
Model: 373LM
UPC: 012381993734
FCC ID: HBW1573
IC: 1573
The LiftMaster 373LM will work if you use any of the following radio controls:
Access Master: 371AC, 373AC and 377LG
Chamberlain: 41A6318, 940D, 940CD, 950D, 950CD, 953D, 953CD, 955D, 956D and 956CD
Craftsman: 139.53752, 139.53753 and 139.53754
Do It: 940DID and 953DID
LiftMaster: 355LM, 365LM, 370LM, 371LM, 371LMC, 372LM, 372LMC, 373LM, 373LMC, 373P, 373W, 374LM, 374LMC, 376LM, 377LM, 377LMC, 378LM, 398LM and 41A6127-1
LiftMaster Passport (373LM is not sequential): CPT13, CPT23, CPT33, CPT43, CPTK13, CPTK13PH, CPTK33 and CPTK33PH
Raynor: 371RGD, 372RGD, 373RGD, 373PRGD and 377LG
Warranty: one year
How to program a LiftMaster 373LM remote
1. Locate the purple learn button on your garage door opener. If you have a two light model the button will be under one of the light lens. If you have a single light model the button will be on the opposite side of the light.
2. Press and release the purple learn button and the LED will light for 30 seconds.
3. Press and hold the remote button until the opener light flashes or you hear two clicks then release the button. The remote should now be programmed. Test the remote to make sure it operates the garage door opener.
How to program a LiftMaster 373LM to control the garage door opener lights (the garage door opener must have a multi-function wall control installed).
1. Make sure the garage door is closed.
2. Press and hold the remote button and the light control button on the wall control in at the same time.
3. While holding in the buttons in step 2 press and hold the lock button on the wall control.
4. The garage door opener lights should flash. Test the remote to make sure it turns the lights on/off without opening the garage door.
How to erase a LiftMaster 373LM from the garage door opener's memory.
1. Press and hold the purple learn button on the garage door opener until the LED light goes out. All radio controls have been erased from the garage door opener. Any radio controls you wish to use will have to be reprogrammed.
LiftMaster Compatible Models | |||||
1345 | 3130 | 3255 | 3280M | 3585S | 3800PLD |
1346 | 3130M | 3265 | 3500 | 3595 | 3840 |
1355 | 3220 | 3270 | 3575 | 3595S | 3850 |
1356 | 3240 | 3275 | 3575S | 3800 | ATS2113X |
3110 | 3240M | 3280 | 3585 | 3800P | |
Not all compatible models may be shown. Contact us with model number to confirm compatibility |
Chamberlain Compatible Models | |||||
248754 | CG42D | PD210D | PD432D | PD612KLD | WD832KD |
48930D | HD200D | PD212D | PD432DM | PD752D | WD952KD |
7520D | HD600 | PD300DM | PD462D | PD758D | WD952LD |
9950D | HD800D | PD420D | PD610D | WD822KD | WD962KD |
CG40D | HD900D | PD422D | PD612D | ||
Not all compatible models may be shown. Contact us with model number to confirm compatibility |
Sears Craftsman Compatible Models | |||||
139.536481DM | 139.53904D | 139.53915D | 139.53920DM | 139.53939D | 139.53990DS |
139.53648D | 139.53905DM | 139.53916D | 139.53925DS | 139.53985D | 139.53992D |
139.53901DM | 139.53906D | 139.53918D | 139.53930D | 139.53985DM | 139.53993D |
139.53902D | 139.53910D | 139.53919D | 139.53930DM | 139.53990D | 139.53997D |
139.53903DM | 139.53914D | 139.53920D | |||
Not all compatible models may be shown. Contact us with model number to confirm compatibility |
Access Master models: M385
Do It models: 4500DIDM and 4500DI-2DM
Raynor models: 3245RGD, 3255RGD, 3265RGD, 3280RGD, 3595RGD and 3800RGD