Balboa Water Group
Balboa Water Group BP7 4 kW Retrofit Kit, TP600 | G6406
Balboa Water Group BP7 4 kW Retrofit Kit, TP600 | G6406
This item qualifies for free ground shipping.
In-stock orders usually leave in 1 to 2 business days, and faster delivery options appear at checkout.
Manuals, spec sheets and warranty for Balboa Water Group


BP7 4 kW retrofit kit, complete spa control system
Upgrade an older spa with the Balboa BP7 4 kW retrofit kit, a complete control system with a TP600 topside.
Give an older spa a complete new control setup with the Balboa BP7 4 kW retrofit kit, part G6406. It is a complete spa control system package, built around a 4 kW heater and the TP600 topside. Questions? Call 631-678-6506.
How to choose and fit the BP7 4 kW Retrofit Kit (TP600)
Decide whether a full retrofit makes sense, and confirm your heater is a 4 kW setup.
Compare the BP7 name, the TP600 topside and part number G6406 to what you plan to replace.
Order, then have a qualified technician install it. Call 631-678-6506 to talk through the match first.
Works on
BP7 4 kW Retrofit Kit (TP600) questions and answers
What is the Balboa G6406?
It is a BP7 4 kW retrofit kit sold as a complete spa control system package, listed with a TP600 topside.
Do I need to replace the whole control system?
A retrofit kit is for when a single-part repair is no longer the best answer. Call 631-678-6506 if you are not sure which way to go.
Is it in stock?
Stock changes often. If it shows as unavailable, call 631-678-6506 and we will check.
Will it fit my spa?
Confirm the part number and size against your current part, or call 631-678-6506 and we will help you check before you order.
