Topside Control - Spaside Control, Balboa ML551, 8-Button, LCD, No Overlay (Overlay may have fewer button keys). You must purchase an overlay for complete functionality.
Check availability status prior to placing order. Due to the manufacturers recent
backlog of this item, temporarily, Spa Circuits may not be able to acquire this product.
Please call prior to placing order.
Mfg - Balboa Water Group
Note -
Topside Type: Electronic
Manufacturer: Balboa Water Group
Model: ML551 Balboa generic compatible with Balboa EL/GL Mach 3 Systems
Number of Buttons on Overlay: 8 not included
Number of Buttons on Keypad: 8
Display Type: LCD
Overlay Included(?): No use P/N 11609, 11899, or 12052
Button Labels (Left to Right): NA no Overlay
P/N Without Overlay: 53503 Balboa
Keypad P/N With Overlay: 53502 (11609 Overlay), 55304 (11889 Overlay), or 55600 (12052 Overlay)
Topside Shape: Rectangle
Cord Length: 7ft
Type of Plug: (8) Pin Molex Plug Connector
Panel Size: 7 1/4" x 3 3/8" cutout 6 5/8" x 2 3/8" minimum
Also found as PN -
53503-04 Spaside Control, Balboa ML551, 7-Button, LCD, No Overlay
You must purchase an overlay for complete functionality. Balboa
EL Series or GL Series Mach 3 Electronic Keypad
53503-04 58-138-3305 389174 Topside, Balboa Water Group, ML551, 8 Button, w/o Overlay