CIRCUIT BOARD DISCOVERY ZX500D DIGITAL DUPLEX W/ PHONE PLUGCIRCUIT BOARD DISCOVERY ZX500D DIGITAL DUPLEX W/ PHONE PLUGAvailability: 10 in stockSKU: 51133Manufacturer part number: 51133 $197.21 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 51133Product: CIRCUIT BOARD DISCOVERY ZX500D DIGITAL DUPLEX W/ PHONE PLUGCategory: Circuit Boards >> Discovery Spas Circuit BoardsProduct tags hot tub parts (7713), 51133 (1)