{"product_id":"raritan-spc-control-board-41-503","title":"Raritan SPC Control Board #41-503","description":"\u003ch2\u003eRaritan 41-503 Toilet Accessories\u003c\/h2\u003e\n\n\u003cp\u003eThe Raritan 41-503 is a replacement SPC control board for compatible Raritan SPC series marine electric toilet systems. The control board is the electronic core of the SPC toilet, managing the flush cycle timing, motor control, water valve sequencing, and system fault detection. When the control board fails, the toilet typically stops responding to the flush switch entirely, flushes erratically, or displays fault conditions that cannot be cleared by resetting the system.\u003c\/p\u003e\n\n\u003cp\u003eThe Raritan SPC is a self-contained electric marine toilet designed for below-waterline and above-waterline installations across a wide range of vessel types. The SPC system integrates the pump, macerator, and control electronics into a single compact unit, which makes the control board a central component rather than a peripheral one. A failed board affects the entire system's operation, not just one function.\u003c\/p\u003e\n\n\u003cp\u003eCommon symptoms that point to a control board failure rather than a mechanical issue include a toilet that powers on but does not respond to flush commands, a system that cycles through part of the flush sequence and then stops, error indicators that persist after power cycling, or a unit that runs continuously without completing the flush cycle. If the motor and pump check out mechanically but the system still does not operate correctly, the control board is the logical next step in the diagnostic process.\u003c\/p\u003e\n\n\u003cp\u003eThe 41-503 is a genuine Raritan replacement board, designed to the same specification as the original installed in compatible SPC models. Control board fitment is specific to the SPC series and not universal across Raritan's full toilet lineup. Confirm your toilet's model number against Raritan's parts documentation before ordering to ensure the 41-503 is the correct board for your installation.\u003c\/p\u003e\n\n\u003cp\u003eControl board replacement involves disconnecting the toilet from its power source, accessing the board housing, transferring the wiring connections from the old board to the new one, and reassembling the unit. Familiarity with 12V DC marine electrical systems is recommended. Raritan's service documentation for the SPC series covers the replacement procedure in detail.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNormalized SKU:\u003c\/strong\u003e 41503\u003c\/p\u003e","brand":"Raritan","offers":[{"title":"Default Title","offer_id":54407916421425,"sku":"RAR-41-503","price":341.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/7184\/8291\/files\/raritan-spc-control-board-41-503-1241087910.jpg?v=1780390110","url":"https:\/\/www.firstchoicemarine.com\/products\/raritan-spc-control-board-41-503","provider":"First Choice Marine","version":"1.0","type":"link"}