This Balboa Expander printed circuit board (PCB) is mounted in addition to the main board in some VS511 & EL hot tub control systems. Supports a 2-speed pump.
Product Notes: 12 Amp max load. Electrical or physical damage due to improper installation or incorrect PCB selection voids the manufacturer’s warranty. PCBs cannot be returned or exchanged. 1-yr. factory limited warranty.
ATTENTION: If you do not have the skills, knowledge, and tools required to troubleshoot your existing system and install this replacement part correctly, engage the services of a qualified professional.
Associated Reference Numbers: 33-53426-K, 389283, 53426, 53913, G1960, X-03.
