These instructions cover the discontinued ML-631, ML-639, ML-640, and ML-643 keypads. Match the frequency on your old keypad before you buy a replacement. The M13-631 only replaces the 315 MHz model.

Compatibility

Keypad Model Number

• ML-631 Keypad — 315 MHz frequency — discontinued — use the M13-631 Wireless Keypad as a replacement
• ML-639 Keypad — 390 MHz frequency — discontinued — no direct replacements available — use the 75424 Receiver Set with Optional Keypad
• ML-640 Keypad — 40 MHz frequency — discontinued — no direct replacements available — use the 75424 Receiver Set with Optional Keypad
• ML-643 Keypad — 433 MHz frequency — discontinued — no direct replacements available — use the 75424 Receiver Set with Optional Keypad

Instructions

PDF ML Series Keypad Instructions Download PDF