[Alberg30] Vented Loop

[schuylki at vanent.vanebros.com]

>anti-siphoning from the designer and from the factory.  Anti siphon 
systems
>are necesary  in the water cooled engine discharge systems and bilge pump
>discharge systems because there is a necessity to have an enclosed,

I'd be more inclined to have a check valve here to prevent any possibility 
of exhaust gases getting into the hull. I'd really prefer to have a ball 
valve at the thru hull, but I know if I closed it, I'd forget to open it 
before it was too late :)

the anti siphon valves I have seen (the original factory install, no 
holding tank) it looks almost like a grease cup mounted on a cast elbow 
which is itself mounted well above the waterline. That thing really has to 
work if you are not closing the thru hull valves, since both the thru hull 
and the head on the Alberg are below the waterline.

Michael #220 
 +---------------------------------------------------------------+
 |                This Old Boat by Don Casey                     |
 | http://www.amazon.com/exec/obidos/ASIN/0071579931/alberg30-20 |
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