Hi Lloyd,
I looked at my tank and the engine discharge flows into the bottom of the
tank through a flow sensor. What the sensor is for I have no clue, but it's
wires go to the main computer box. There is a check valve on the output side
that discharges overboard. (Under swim platform)

I suppose the direction of floe does not matter except for the high loop
(well above waterline) in the discharge hose. I guess the factory did this
to limit any possibility of flooding in case a hose or something else gave
way.
--
Capt. Frank

__c
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www.home.earthlink.net/~aartworks
"Lloyd Sumpter" wrote in message
news
Hi,
Please forgive the on-topic nature of this post...

I'm about to hook up the "domestic" Hot-water from my new engine (ie
use the engine's cooling water to heat the domestic water). I'm using
the
same hookup as for the old engine, but there are two hoses - does it
matter which way the water goes? (ie is there a distinct "inlet" and
"outlet") The HW heater is really hard to get at, and I didn't mark the
hoses before I unhooked them.

Lloyd Sumpter
"Far Cove" Catalina 36