The Balboa ML554 Topside Control Panel (55391-03) is designed to provide streamlined control for Balboa spa systems with a clean, modern interface, sold without an overlay.

Specifications:

• OEM part number: 55391-03
• Manufacturer: Balboa Water Group
• Model: ML554 topside panel
• Overlay: Not included
• Design: Intuitive control layout with well-labeled buttons

Fits/replaces:

• Spa systems using the Balboa ML554 topside control panel
• Direct OEM replacement for part 55391-03

Common signs you need this part:

• Buttons on the topside panel are unresponsive or intermittent
• Display is dim, blank, or showing garbled characters
• Panel does not power on or communicate with the control pack
• Physical damage or water intrusion to the existing panel

Returns & installation: This part is sold as shown and should be matched to your spa's existing control system before ordering. Installation should be performed by a qualified spa technician or experienced DIYer with the power disconnected. Please verify compatibility with your spa pack before purchase.

FAQ

Q: Does this panel come with an overlay?
A: No, this panel is sold without an overlay, as noted in the title.

Q: Will this work with any Balboa spa?
A: This panel is designed specifically for Balboa ML554 systems. Confirm your existing panel's part number matches before ordering.