{"product_id":"j850j300-2-pump-circuit-board-6600-730","title":"J850\/J300 2-Pump Circuit Board 6600-730","description":"\u003cp\u003eThe J850\/J300 2-Pump Circuit Board 6600-730 is the main control system for compatible Jacuzzi and Sundance spa models featuring LCD displays and dual-pump configurations. This OEM circuit board manages essential spa functions including heating cycles, pump operation, and temperature control, effectively resolving common error codes like HH (high limit) and OH (overheat) conditions.\u003c\/p\u003e\u003cp\u003eEngineered to Jacuzzi's exact specifications, this genuine replacement board delivers reliable performance with our exact fit guarantee. We ship same-day from our Canadian warehouse and back every circuit board with a full 1-year warranty for complete peace of mind. Professional installation is recommended for circuit board replacements to ensure proper electrical connections and system calibration. Verify your spa's pump configuration and LCD display type before ordering to confirm compatibility.\u003c\/p\u003e\n\u003c!-- p11:start --\u003e\u003cdiv class=\"related-links\"\u003e\n\u003ch2\u003eRelated parts \u0026amp; guides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/product\/880j-400-2-pump-circuit-board-6600-728\"\u003e880\/J-400 2-Pump Circuit Board 6600-728\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/2-pump-880nt-circuit-board-6600-390\"\u003e2-Pump 880NT Circuit Board 6600-390\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/j380j385-circuit-board-6600-101\"\u003eJ380\/J385 Circuit Board 6600-101\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collection\/main-pumps\"\u003eSee all Main Pumps\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/knowledge\/spa-pump-humming-but-not-running\"\u003eSpa pump humming but not running\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- p11:end --\u003e","brand":"Jacuzzi","offers":[{"title":"Default Title","offer_id":50249027027301,"sku":"6600-730","price":1847.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/j850j300-2-pump-circuit-board-6600-730-6600-730-3.jpg?v=1779741432","url":"https:\/\/checkout.bubblessupply.com\/products\/j850j300-2-pump-circuit-board-6600-730","provider":"Bubbles Supply","version":"1.0","type":"link"}