Balboa VS520 Retrofit Kit -Spa Heater with cables, light, VL701 LCD controller

Balboa VS520 Retrofit Kit -Spa Heater with cables, light, VL701 LCD controller


Balboa Spa Pack VS520SZ Retrofit Kit Comes with VL701S Controller Balboa VS520sz 5.5-1.5 Kw Digital Spa Controller Multiple Pumps- This is the world's best spa pack! - Made in America   Read More
  • Shipping Weight: 14kgs
  • Manufactured by: Balboa
0 Units in Stock
 Sold Out 

Item Description

Balboa Spa Pack VS520SZ Retrofit Kit

Comes with VL701S Controller

Balboa VS520sz 5.5-1.5 Kw Digital Spa Controller
Multiple Pumps- This is the world's best spa pack! - Made in America



retro fit kit with LCD


Do you have an expensive spa or hot tub heater that needs the spa pack replaced or upgraded?

Balboa VS520SZ is the unit that can handle nearly every combination of electrical requirements. It uses M7 technology which is simply the best spa pack technology on the market. Completely digital circuitry means less failures, more accurate heating range, and much simpler to use. Accurate to +/- 1 degree with full top side controls means you will never have to leave the tub to change the temperature.

This spa pack works at either 120 VAC producing 1.5KW, or with a change of a jumper operates at 230 VAC producing 5.5 KW of heat. It fits any standard 2" or 1 1/2" plumbing making it ideal to upgrade any older mechanical or digital spa pack.

Replaces any Spa Pack from other manufactures! Don't be fooled, Balboa Spa Packs can replace any hot tub heater on the market including Gecko, Hot Springs, Len Gordon, Hydro Quip, LA Sas, Cal Spas, Coleman Spas, Beachcomber Spas, Artic Spas to name a few......

Build in programmable features such a cycle programming, freeze protection, sleep mode, economy mode and self diagnosis are just some of the features. It also has the ability to select how much current will be drawn by selecting how many pumps can run (0-3) and still have the heater come on. It has receptacles for:

two 2-speed pumps; one 1-speed pump or blower (not both); one circulation pump; one ozonator; one constant-on for Audio/Visual devices; one 12 volt light. All receptacles (except light) can be switched to supply 120 Volts or 230 Volts.

Comes complete with:

• VS520SZ pak with 2" heater tail pieces,
• 7 button serial digital LCD control panel VL701S with 7' cable
• two 4-wire 2-speed pump cables with AMP plugs,
• two 3-wire pump/blower cable with AMP plug,
• one 12 volt light wiring assembly with AMP plug,
• one loose 4-pin AMP plug with 4 pins ( to adapt a non-Balboa ozonator);
• plasticized control instruction sheet
• complete instruction manual for retrofit situations produced by Northern Lights

The Patented M7 Technology removes the need for pressure sensors and remote heat sensors common on other older spa packs. This unique technology allows the spa pack to be positioned in any location or direction (before or after the pump or before or after the filter)

TheVL 701 LCD digital topside control comes with 10 ft cable and includes Warm, Cool, Jets 1, Jets 2, Blower, Light and Mode buttons.

The unit is backed by a 2 year manufactures warranty that includes the heating element.

If you are looking for the best, comprehensive and most reliable replacement system on the market, then Balboa VS520SZ with M7 technology is it. Balboa is the world leader in Spa Pack manufacturing both in quality and reliability. Please call us any time for more information 1 800 759 8990!


• 10.56" High x 19.5" Long x 4.60" Deep
• Comes with 12 V light that will support LED lighting
• UL, CSA, and CE certification
• Optional infrared remote control is available
• 120 or 230 VAC ozone support
• 120/240VAC @ 60 Hz, 30-50 Amp 3 wire (needs neutral wire)
• Pump 1= 15 amp; Pump 2 = 15 Amp; Pump 3/Blower = 12 amp; Circulation Pump = 5 amp; Ozonator = 1 amp; A/V = 5 amp; Light = 12 v @ 1 amp

Pump supplying flow through heater must deliver 23 USGPM or more if heater is in 5.5kW mode. 3kW element is available requiring 15 USGPM, call us!


VL701 Controller

Measurements: W=7.4" (18.79cm) , H=3.3" (8.38cm)




Balboa Spa Pack Features

Features Balboa VS501Z Balboa VS520SZ Balboa EL2000
5.5 Kw Heater 220 VAC X X X
Separate Optional Aux 5.5 Kw Heater X X X
240 VAC or 120 VAC X X 240 VAC
120/240 Volt output receptacle X X X
Separate voltage for ozone & blower common common X
2 -Speed Pump 1 X X X
1-Speed Pump 2   see note X
2-Speed Pump 2   X X
1-Speed Blower or Pump 3 X X X
Circulation Pump X X X
Ozone X X X
Audio Visual Equip X X X
12 Volt Light X X X
Light switchable to 12 volt or 120 VAC     X
Fiber Optic Wheel Light     X
Real Time Clock     X
Standard, Economy, Sleep Mode X X X
12 hour filter cycle X X X
24 hour filter cycle     X
Filter cycle program by time of day     X
Filter cycle increments     Fully Adjustable
Clean up cycle (filter & ozone on after use)     X
Ozone temp deactivation only when jets are on only when jets are on X
Freeze Protection X X X
Diagnostic messaging X X X
IR Dolphin Remote Control Option (short range) X X X
RF Station Wireless Remote Control (long range)     X
Wireless PC Remote Control via USB     X
Tech Support 1 800 by NLCT X X X
2year Warranty X X X


Our on-staff engineer means you get much more than just a quality product when you buy from us. Our engineer will help you before your purchase as well as during installation and will always be there for ongoing support afterwards, FREE OF CHARGE! Call us or email us and you will quickly see our difference!


Payment Details

We accept PayPal and Credit card (Visa or Mastercard).  If you are ordering multiple units and part, please call us to see if we can save you shipping cost for multiple item orders.

 No taxes to US residence!


Shiping and Handling

Please allow 4-6 days for shipping via UPS Ground to USA or Canada.  You will be emailed a tracking number to the email address you provide us.  Expedited Shipping services are available!

Your #1 Hot Tub Parts Replacement Store!


Current Reviews: 0

Customers who bought this product also purchased...