Welcome to the updated SpaPartsNet!

Need help finding a part? Text photos: 772-800-5445 | Call: 844-500-4645

We’ve upgraded the site with more products and better shipping prices.

USA Shipping Promo: FREE SHIPPING in the USA on parts orders over $75
(Excludes Alaska & Hawaii and oversized/heavy items.)

Note: Oversized/heavy items (like complete pumps) may require additional shipping charges, especially to AK/HI.

Previous Customers (Important)

If you previously had an account, your information is still here — you’ll just need to reset your password because passwords did not transfer during the migration.

Reset Your Password

Note: Some heavier items (such as complete pumps) may have shipping limitations outside of the USA.

Welcome to the updated SpaPartsNet!

Need help finding a part? Text photos: 772-800-5445 | Call: 844-500-4645

We’ve upgraded the site with more products and better shipping prices.

USA Shipping Promo: FREE SHIPPING in the USA on parts orders over $75
(Excludes Alaska & Hawaii and oversized/heavy items.)

Note: Oversized/heavy items (like complete pumps) may require additional shipping charges, especially to AK/HI.

Previous Customers (Important)

If you previously had an account, your information is still here — you’ll just need to reset your password because passwords did not transfer during the migration.

Reset Your Password

Note: Some heavier items (such as complete pumps) may have shipping limitations outside of the USA.

Shop by Category

Hot Tub Control Pack Retrofit Systems

Hot tub control pack retrofit systems are complete electronic replacement systems designed to upgrade or replace older spa control systems that are no longer available or have failed.

Many older hot tubs used proprietary control systems that are no longer manufactured. When the original control pack or circuit board fails, a retrofit control system allows the spa to be upgraded with a modern, reliable control pack and topside panel.

Retrofit systems typically include:

  • Control pack with heater

  • Circuit board

  • Compatible topside control panel

  • Sensors and wiring harnesses

Installing a retrofit system can restore full operation to spas that otherwise could not be repaired due to obsolete electronics.

Common Problems That Lead to Control Pack Replacement

Many spa owners begin searching for replacement control systems when experiencing problems such as:

  • Hot tub not heating

  • Spa control panel not responding

  • Hot tub showing error codes

  • Spa breaker tripping

  • Jets or pumps not turning on

  • Circuit board failure

  • Burned heater relay on control board

When original parts are no longer available, a control pack retrofit kit is often the best solution.

Why Retrofit Systems Are Often the Best Repair

Older spa control systems frequently use outdated circuit boards and components that cannot be replaced individually. Retrofit systems allow the spa to be upgraded with modern electronics that are easier to service and more reliable.

Many retrofit systems are designed to replace control systems used in spas from manufacturers such as:

  • Balboa

  • Gecko / Aeware

  • Hydro-Quip

  • Sundance

  • Watkins / Hot Spring

  • Many discontinued spa brands

SpaPartsNet is an independent supplier of spa parts and is not affiliated with or authorized by any manufacturer listed. Brand names are used strictly for compatibility identification.

Need Help Identifying the Correct Retrofit System?

If you are unsure which retrofit control system will work with your spa, we can help.

Text photos: 772-800-5445 | Call: 844-500-4645