Balboa G6405 Retrofit BP7 Spa Control System – 4.0kW Flow-Thru Heater with TP500 Topside Control

Key Features

• Complete Retrofit Kit: Includes BP7 circuit board, 4.0kW stainless steel heater, and TP500 topside digital panel.
• Smart M7 Sensor Technology: No external pressure switches needed – uses internal flow and temp sensors for accuracy.
• TP500 Topside Panel: Simple user interface with digital temperature display and control of jets, lights, and more.
• Plug-n-Click Expansion: Easily connect pumps, blowers, lights, and ozone via Balboa's convenient connector system.
• Expandable BP7 Board: Supports up to 7 relays – perfect for multi-pump and upgradeable spa systems.

Product Overview

The Balboa G6405 Retrofit Kit brings new life to older spas with a modern BP7 control system and a reliable 4.0kW flow-thru heater. This upgrade bundle includes the TP500 digital topside panel for intuitive spa operation, along with Balboa’s industry-leading M7 sensor technology that ensures precision and safety. Whether you're replacing an outdated control box or restoring a non-functional spa, this kit provides a hassle-free, high-performance retrofit solution.

Specifications

• Manufacturer: Balboa Water Group
• Model: G6405 Retrofit Kit
• System: BP7 Control Board
• Heater: 4.0kW stainless steel flow-thru heater
• Voltage: 240V
• Topside Panel: TP500 Digital Display (included)
• Sensor System: M7 internal sensors (no pressure switch required)
• Pump Support: Up to 4 pumps (1-speed and 2-speed options)
• Ozone, Blower, and Light Support: Yes – fully configurable

What’s Included

• Balboa BP7 Control System with 4.0kW Heater
• TP500 Digital Topside Panel with overlay
• M7 Sensors (pre-installed)
• Mounting hardware and installation instructions
• *Pump cords and unions sold separately

Why Buy From Best Buy Pool Supply?

• Authorized Balboa Dealer
• Fast shipping
• Expert technical support to assist with setup and wiring

Shipping & Returns

• Shipping: Ships within 1–2 business days
• Returns: 30-day return policy on unused/uninstalled items

Need Help with Installation or Compatibility?

Reach out to our spa system specialists at (800) 877-1268 or contact us here. We'll help ensure the G6405 retrofit kit matches your spa and provide wiring guidance if needed.