QD:
Heres what I did. Yes, I have the built in tank which is small (square) and ran off of wash down pump. Wash downs are not made for continuous duty and are loud. So I got the rule pump (in pic) which has a through port for the wash down and a second port which is pumped at 1100 GPH to wherever. (This allows not having to make a second through hull fitting.)
So what I did was disconnect the wash down from the built in tank and left it just as a washdown hose with nozzle. This connected to the through port of the new pump.
Then I took the live well 1100 feed and piped it with a tee and valve to the built in tank. That got me through last season. This winter I am buying an oval tank 40 gal which I'll use when needed, and I'll pipe it from the tee that will be 1" to the bottom of the new tank. It will just overflow into the well or over the transom.
If Ronnie is right, at that flow I may not need to add more air, but I'm not sure.
In the new pic of the new pump, through hull connects at bottom, the female fitting is for washdown, and the barbed fitting is the pump itself 1100gph.
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