Overview Reviews Similar Products Product Description HydroQuips ECO3 printed circuit board (PCB) supports the ES & CS 4230, 6230 and 9230 series. (3 Wire) This is the ECO-3 circuit board 240V Replaces The Following: 33-0024C-K 33-0024C-R1 33-0024C-R2 33-0024C-R3 Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view HydroQuip ECO-3, 120V Circuit Board - 33-0024B-K $609.49 $329.95 Add to Cart Quick view HydroQuip Circuit Board ECO-2+2 120V, Part # 33-0024D-K $294.95 Add to Cart Quick view HydroQuip Outdoor Universal 8-Key Circuit Board, - 33-0027-K $689.00 $589.95 Add to Cart