Originally Posted by Sailmonkey
Except then it's no longer a siphon break. One must introduce air into a fluid system to break a siphon!!!
Yeah, no longer seems to be a siphon break that way? Of course, many boats are fine without a break... until that one time when the motor gets filled!
Looking back, less than half my boats had a vented loop in the exhaust elbow
feed line. In many cases there was not enough room above the water
line in the engine
compartment to do it and the hose run to do it would have been very long. I think I was lucky for sure.
I've always liked the idea of just a small tube in lieu of the actual valve on the vented loop.... especially if it dumps into something like a cockpit
drain where you can monitor
It just seems that everytime I service
a vented loop valve, I'm not sure they are actually free and working....