Re: Adding automatic bilge pump to manual bilge pump
What happens if you need to use both pumps at once? That may sound scary but a possibility. Do you have a manual pump below? Why not? I realize that it's a 27 footer. So this may be a little bit to redundant. But, You could be 10 miles off-shore get caught in a storm and get swamped; then lose power. Is your electric bilge going to work? Probably. Do you feel comfortable being in the cockpit when you may have issues down below?
I'm a believer in a manual pump up top and one below where they are easily accessible and Piped separately if possible. Sure that one below might not be pretty; but it's no different then the fire extinguisher. I run two electric pumps as well. One fully auto and one bigger pump for emergencies. (My boats a little bigger) I plan as if i have lost all power.
Sorry to be the pessimist. Just my thoughts.