{"product_id":"2-pump-4-relay-361-circuit-board-6600-726","title":"2-Pump 4-Relay 3.61 Circuit Board 6600-726","description":"\u003cp\u003eThis 2-pump 4-relay circuit board (part #6600-726) is the control brain for Sundance and Jacuzzi spa systems requiring LX-15 Rev 3.61 electronics. Designed to manage dual pump operations through four independent relays, this OEM replacement board delivers precise control over your spa's heating, filtration, and jet functions.\u003c\/p\u003e\u003cp\u003eBuilt to exact Sundance specifications, this circuit board ensures seamless integration with your existing control pack system. At Bubbles Supply, we guarantee an exact fit for your spa's electronics, back every board with our comprehensive 1-year warranty, and ship same-day to get your spa running quickly. Professional installation is recommended due to electrical connections and safety considerations—always verify your original board's part number and relay configuration before installation to ensure proper 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\/2-pump-4-relay-557-circuit-board-6600-720\"\u003e2-Pump 4-Relay 5.57 Circuit Board 6600-720\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/1-pump-3-relay-356-circuit-board-6600-724\"\u003e1-Pump 3-Relay 3.56+ Circuit Board 6600-724\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/1-pump-3-relay-503-circuit-board-6600-722\"\u003e1-Pump 3-Relay 5.03+ Circuit Board 6600-722\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":"Sundance Spas","offers":[{"title":"Default Title","offer_id":50249025061221,"sku":"6600-726","price":985.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/2-pump-4-relay-361-circuit-board-6600-726-6600-726-1_d4bb4cec-3192-4d03-957a-d96211f67a29.jpg?v=1779741287","url":"https:\/\/checkout.bubblessupply.com\/products\/2-pump-4-relay-361-circuit-board-6600-726","provider":"Bubbles Supply","version":"1.0","type":"link"}