CIRCUIT BOARD DISCOVERY ZX1000 SERIAL STD W/ PHONE PLUGCIRCUIT BOARD DISCOVERY ZX1000 SERIAL STD W/ PHONE PLUGAvailability: 10 in stockSKU: 51138Manufacturer part number: 51138 $303.24 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 51138Product: CIRCUIT BOARD DISCOVERY ZX1000 SERIAL STD W/ PHONE PLUGCategory: Circuit Boards >> Discovery Spas Circuit BoardsProduct tags hot tub parts (7713), 51138 (1)