LiftMaster 4333E Remote

Your LiftMaster 4333E at a glance

433 MHz family; 4332E has a separate code-switch channel.

4333E battery & holder

Two manufacturer part 10A20 cells, positive up.

Programming your 4333E

Setup depends on the exact receiver and hardware revision. These model notes do not establish a complete pairing sequence for your equipment.

Match both the remote and opener or external receiver. Keep the door or gate in sight and clear of people. Do not hold a LEARN button or erase memory unless the instructions for that exact equipment require it.

Compatibility & exclusions

Matching Chamberlain-family 433 MHz receiver required; frequency alone does not establish compatibility.

Retail cell designations not established by this manual. Manufacturer-authored dealer mirror; revalidate against the device label.

If your 4333E is not working

General troubleshooting checks.

• No response: check the marked battery type and polarity; note whether another authorized control works.
• Short range: note when the problem began and whether it changes by location. Do not alter receiver wiring.
• Damaged case or buttons: keep the model label; stop using exposed, wet or damaged electronics.

4333E repair, parts & replacement

No exact replacement or part mapping has been confirmed for this page. A similar-looking remote, matching frequency or familiar model family is not sufficient evidence of interchangeability.

Model guides

Use the model-specific notes on this page with the instructions for your opener or receiver. A documented receiver match does not establish compatibility with every opener.