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Old 02-03-2020, 15:57   #1
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Join Date: Dec 2019
Location: Currently cruising PNW
Boat: Nauticat 43 ketch
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Is Racor LG100 the best fuel spill prevention option?

I'm going crazy trying to find the perfect fuel spill prevention option and would love some informed opinions on the available products today.

More specifically, I have two products I have questions about:

Contestant #1: Racor LG100 Fuel/Air Separator

BoatUS reviewed a bunch of products and determined a clear winner, the Racor LG100 Fuel/Air Separator.

Practical Sailor has a similar listing of products and also rates the Racor LG100 highly.

So it appears that the Racor LG100 is the best available option, but I need more information before I consider it to be perfect for my needs.

QUESTION - if you have experience with this product can you explain to me how it will signal you to stop filling and prevent a spill out the deck fill?

I get that it will prevent fuel coming out of the vent, and even minimize foam, but I don't get how it will help me figure out when to stop filling before I get a gusher out the deck fill.

Contestant #2: Herrington Fuel Spill Guard

This Fuel Spill Guard looks great, BUT, Fisheries Supply (my most trusted resource) stopped selling it, I don't see any other reputable vendor selling it, and when I contacted the manufacturer they offered to sell me one but wouldn't answer my questions about why it's not carried by FS or anyone else.

The reason it looks great to me is that it has an audible 12v alarm and prevents from spilling out fuel vent hose, incorporating a reservoir that returns fuel to the tank.

QUESTION: Know anything about this product? If you have one, how to you like it"

The audible, 12v alarm would definitely help the user know to stop filling, and would be more effective than the low tech Green Marine Fuel Whistle, which requires fuel filling fast enough to generate enough air to hear the whistle.

I have one, have used it 3 times so far, and it works, but one time it didn't and I had a gusher. My theory is that the foam generated by the faster fuel flow blocked the air needed for the whistle. Most recently I tried stopping at a safe fill point and filling the rest of the way in 2 gallon spurts to allow for foam to settle, and that seemed to work, but my tanks are over 100 gallons and that can take a long time (until I get more accurate fuel gauges).

Here's a CF thread that mentions the Fuel Whistle, the Attwood Surge Protector, and the Racor.

I'm just trying to be a clean, responsible boater and while I don't need to fill my tanks to the tippy top, I need a clear signal when to stop filling until I can upgrade my fuel senders.
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