Siphoning from the engine lines but if it s jammed up clogged stuck fuel won t go the other way either.
Boat fuel tank vent system.
Since 1968 west marine has grown to over 250 local stores with knowledgeable associates happy to assist.
The vent does 2 things let s fumes go helps regulate the fuel flow preventing starvation as you identified the anti siphon valve stops fuel from sucking back towards tank.
Fuel vents marine gas system accessories how tos marine fuel safety the basis for the new epa regulations is to control emissions and this is being accomplished by reducing evaporative emissions from fuel systems.
Nrc xrc 316stainless steel marine grade boat fuel vent universal 90 boat flush mount fuel gas tank vent for 5 8 hose with mounting gasket hardware fitting 4 4 out of 5 stars 9 15 77 15.
Shop read reviews or ask questions about fuel vents fills at the official west marine online store.
If the tank is sucked in opening the vent will allow air into the tank to equalize the pressure.
Nrc xrc marine grade 316 stainless steel fuel gas tank vent cowl vent with mounting gasket hardware fitting for marine boat yacht 5 0 out of 5 stars 3 13 99 13.
Main menu find.
Any opening in gasoline fuel tanks must be on the topmost surface of the tank.
Seachoice thru hull fuel tank vent 90 degree chrome plated brass.
Shop with confidence get free shipping to home or stores price match guarantee.
Some new marine fuel systems carry charcoal canisters similar to those found in primary fuel tank vent systems in the automotive world.
The fuel inlet the fuel tank vent the opening for the level gauge and the opening for the pick up must all be on the topmost surface of the tank.
Keep your boat s fuel vent screen clean.
Buy your marine fuel tank and take advantage of our low shipping rates.
The hose should run as straight as possible at this point in a manner that allows any fuel to drain back into the tank via gravity.
A typical vent line will run sideways across the top of the tank until it reaches the hull side and then angle upward to the vent fitting.
In 1 business day.
Drains are not allowed on gasoline tanks.
For safety reasons opening the vent should be done off the boat on a level surface with good air circulation in the area and no ignition source present even cell phones.
