Anti siphon valve
- Thread starter Atlantic
- Start date
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HopCar
Guru
- Joined
- Aug 20, 2011
- Messages
- 5,311
- Vessel Name
- Possum
- Vessel Make
- Ellis 28
I don’t know about on a Mainship, but on my boat I had to cut holes in the deck to get to them. I installed deck plates over them so it was easier next time.
HopCar
Guru
- Joined
- Aug 20, 2011
- Messages
- 5,311
- Vessel Name
- Possum
- Vessel Make
- Ellis 28
They are just spring loaded check valves. They look like a regular hose bard and are used to connect the fuel hose to the fitting on top of the tank. The vacuum from a fuel pump is strong enough to pull fuel through against the spring but if the hose leaks the spring is strong enough to stop the siphon. Not at all like water system anti-siphon valves. There are rules about when you need them but I don’t know the rules.
https://www.amazon.com/Attwood-Univ...ocphy=9011924&hvtargid=pla-523775414300&psc=1
