The part number G8243 refers to the Balboa VL403 Lite Duplex Digital Topside Control Panel, which has a 4-button configuration (typically Jets, Light, Warm, Cool) and an LED display.
This standardized part is used by a large number of hot tub manufacturers who incorporate Balboa control systems.
Manufacturers Using Balboa Part G8243
The Balboa VL403 panel, or a variant with a specific overlay, has been used in various models by manufacturers including:
Aquaterra Spas: Used in models such as the Newporter (Costco models).
Artesian Spas
Cal Spas
Caldera Spas
Coast Spas
Dominion Spas: All Dominion Spas feature Balboa control packs and topside controllers.
Connection Type: Uses an RJ45 phone-style connector.
Compatible Systems: Works with various Balboa Lite Duplex Digital control systems, including certain VS/GS systems that end in "Z" (like VS501Z).
Replacement For: Replaces older part numbers such as 54664, 54665 (LCD version), and 54105.
Because this is a common, generic component, the specific button overlay (the sticker with the function labels) is usually what differentiates its use across different spa brands and models.
