Add to Cart Quick view SALE Balboa Water Group PCB, Balboa, Genuine Daughter Board X-P231, 1-Spd, High Amp $114.99 $99.95 Used on VS514SZ and GS501SZ control systems. Can replace the X-P daughter board in cases where branch circuit protection is needed for high amperage devices that would over-burden power input fuse F5... Add to Cart Add to Wishlist