Description

New Part Number: Q3554 (Old Part Number: 3554)

Max leaf weight: 4400 Lbs

The internal memory can store up to 256 different access codes (2 to 5-digit codes)

65000 cards

LiftMaster LM21XPBB Extended Performance Release Device with Battery Backup sea swing gate New Part Number: Q3554 (OldLiftMaster LM21XPBB Extended Performance Release Device with Battery Backup The LiftMaster LM21XPBB Release Device is a UL ULC listed normally energized fail safe device designed for use on rolling doors, single slide, center parting level, and inclined track doors. This device is a normally energized fail safe releasing device incorporating state of the art electronic control circuitry. The release device responds to emergency conditions generated

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

LiftMaster LM21XPBB Extended Performance Release Device with Battery Backup sea swing gate New Part Number: Q3554 (Old

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