As of 2024 Balboa has switched the VS501SZ board to the VS510SZ model which is what we now send. Also new circuit boards will come with the plug and click female heater adapter installed. It can be removed and you reuse your old wiring or install the male end of the adapter for your heater here: Balboa BP Plug and Click Male Heater Power Wire Adapter, Quick Disconnect

Balboa universal replacement circuit board for the VS501SZ and VS501S. These boards support a 2 speed pump, single speed blower, ozonator, circulation pump, 12 volt lighting and have a hot plug for stereo converters. All voltage outputs are easily configured by moving the white wires to either the White AC bank for 115 volt parts and the Red AC for 230 volt parts. Options like circulation pump, single speed pump one and vartied button payout are configured via 10 dip switches.

Will replace many OEM versions at a fraction of the cost from campanies like Cal Spas, Hydro Spas, Premium Leisure, Gulf Coast Spas, Viking Spas, Keys Backyard, Great Lakes and many more.

Please Note: Circuit boards are a final sale and cannot be returned.