Like the V2, the V3 is a reversible check valve that allows a single pump to not only perform the basic livewell functions necessary to keep your catch alive, but does it in a passive or automatic manner. It also has a third closed "RECIRC" position. By mounting the pump to the valve body, the operator only has to decide whether he wants his livewell functioning or empty. For those times when outside water is not wanted or available, such as traveling to out of water weigh-ins, dockside refueling or using our optional Pump-out/Venturi Aerator, place the valve in the "RECIRC" position. To empty, simply turn off the pump and move the valve to the "EMPTY" position for gravity draining. The V3 valve has two cable approach options. The cable can approach the valve from either the front/livewell or the rear/transom side of the boat. Barbed Cable Direction Part No. Front MPV-03-FN01 Rear MPV-03-RN01