The manual is available here:
Stick-A-Switch™ (Model SS13A) Installation and operating instructionsExcerptTo change the Housecode
• Press and hold the first (top) ON rocker key. The red LED blinks once. 3 seconds later, the LED
blinks the current setting: 1 blink for Housecode A, 2 blinks for B..... 16 blinks for P.
• Release the first (top) ON rocker key.
• Press and release the first (top) ON rocker key the appropriate number of times for the House
Code you want to set. Once for A, twice for B, etc. The LED blinks for each press.
IMPORTANT: Hold the button on your last press. 3 seconds later, the red LED blinks back the
new setting, e.g. 3 blinks for Housecode C. If you do not follow this programming sequence,
the LED will stay on for 1 second and your existing setting will not be changed.