PER THE MANUFACTURER: THIS ITEM IS NOT AVAILABLE FOR SALE ONLINE
By Pentair Pool Products
Model # 521225
Alternate Part #'s PEN521225
i5X Expansion Kits - Offer five (5) additional Auxilary Circuits for systems i9+3, i9+3S and i10+3D.
Expansion Kit requires a Load or Power Center to be purchased separately, which includes five (5) 3HP relays.
Up to three Expansion Kits may be combined for enlarging the above IntelliTouch systems to up 38 Auxiliary Circuits.