{"product_id":"balboa-circuit-board-leisure-bay-lb501szr1-serial-standard-8-pin-phone-cable-53353-01","title":"Balboa Circuit Board, Leisure Bay, LB501SZR1, Serial Standard, 8 Pin Phone Cable (53353-01)","description":"\u003cdiv\u003e\u0026lt; p\u0026gt;Balboa LB501SZR1 circuit board is a serial-standard controller designed for Leisure Bay spas, providing reliable integration with Balboa’s control ecosystem. This replacement PCB features an 8-pin phone plug for harness connectivity and carries the P1-P2-P3-OZ-LT digital control signals, aligning with established spa architectures. Balboa Water Group backs this part with decades of expertise in spa controls, ensuring compatibility with common Leisure Bay configurations while maintaining system integrity.  \u003cul\u003e \u003cli\u003ePart numbers: LB501SZR1, 4054341 (LMI), 53353-01 (Leisure Bay)\u003c\/li\u003e \u003cli\u003eInterface: serial-standard with 8-pin phone plug\u003c\/li\u003e \u003cli\u003eControl signals: P1-P2-P3-OZ-LT (digital).\u003c\/li\u003e \u003cli\u003eApplication: replacement circuit board for Leisure Bay spas within the Balboa control family\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis circuit board consolidates power, signaling, and relay interfaces into a compact assembly suitable for service and refurbishment. When used with the appropriate Balboa controller and spa wiring harness, it helps restore normal pump, heater, and diagnostic function, supporting dependable spa operation and extended equipment life.\u003c\/p\u003eSame As:\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eLB501SZR1\u003c\/li\u003e\n\u003cli\u003e4054341 (LMI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e53353-01\u003c\/span\u003e (Leisure Bay)\u003c\/li\u003e\n\u003cli\u003e59-138-1752\u003c\/li\u003e\n\u003c\/ul\u003eSpecs: \u003cbr\u003e\u003cul\u003e\n\u003cli\u003eLeisure Bay\u003c\/li\u003e\n\u003cli\u003e8 Pin Phone Plug\u003c\/li\u003e\n\u003cli\u003eValue Series\u003c\/li\u003e\n\u003cli\u003eDigital\u003c\/li\u003e\n\u003cli\u003eP1-P2-P3-OZ-LT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Balboa Water Group","offers":[{"title":"Default Title","offer_id":40331261083690,"sku":"54341","price":470.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/ELE09100224.1_3527b73c-9f8b-4e84-9e2d-45e33fcb3d20.jpg?v=1769976170","url":"https:\/\/bathparts.com\/products\/balboa-circuit-board-leisure-bay-lb501szr1-serial-standard-8-pin-phone-cable-53353-01","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}