Balboa Water Group
Balboa Water Group BP Series 5.5kW Flo-Thru Spa Heater | 26-58306-K
Balboa Water Group BP Series 5.5kW Flo-Thru Spa Heater | 26-58306-K
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


5.5kW flow-thru spa heater for Balboa BP Series systems
A higher-output 15 inch by 2 inch flow-through heater for compatible Balboa BP Series spa control systems.
Replace a failed heater with this Balboa BP Series 5.5kW flow-through spa heater, part 26-58306-K. Only choose it if your spa was built around a 5.5kW heater. Questions? Call 631-678-6506.
How to choose and fit the BP Series 5.5kW Flo-Thru Spa Heater
Read the kW rating on your old heater and confirm it says 5.5kW.
Compare the body length and diameter to this 15 inch by 2 inch heater.
Confirm your spa uses a Balboa BP Series control, then call 631-678-6506 if the label is worn off.
Works on
BP Series 5.5kW Flo-Thru Spa Heater questions and answers
How is it different from the 4.0kW heater?
It has a higher 5.5kW rating. Use the wattage your spa was designed for.
What size is it?
It is listed at 15 inches by 2 inches.
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.
What does the photo show?
The photo shows the Balboa Water Group logo, not the part itself. Call 631-678-6506 and we will help you match the part number 26-58306-K before you order.
