I have a Jandy Aqualink RS4 (I think) power center. It has for relays and they are all occupied. It appears as if the cabinet has places for 4 more relays, and 4 unused Aux connection plugs labeled 5-8. Does anyone know if I can just buy an additional relay and control one more output device, or is this unit maxed out at 4 relay/devices? I am an electrician, by the way. I just can't seem to locate this information.
Thanks in advance,