Balboa Water Group
Balboa Water Group VS520DZ Spa Control Box 5.5kW | 51-56016-Z-K
Balboa Water Group VS520DZ Spa Control Box 5.5kW | 51-56016-Z-K
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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


VS520DZ spa control box with 5.5kW heater
Replace the brains of a VS520DZ spa with a control box that has a 5.5kW heater.
Balboa part 51-56016-Z-K is the VS520DZ control box. It comes with a 5.5kW heater. Questions? Call 631-678-6506.
How to choose and fit the VS520DZ Control Box 5.5kW Heater
Read the VS520DZ model off the label on your current control box.
Confirm the heater rating is 5.5kW.
Have a spa technician check wiring and topside needs before you swap.
Works on
VS520DZ Control Box 5.5kW Heater questions and answers
What heater does it have?
A 5.5kW heater.
Is a topside included?
This is a control box. Call us if you need to confirm topside compatibility.
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 51-56016-Z-K before you order.
