Whisalert is a simple product that provides a valuable service to you, your boat and our environment. Following a few simple tips will help you operate Whisalert better.

When fueling your boat, always have contact between the boat and the nozzle.

When fueling your boat, always have the nozzle inserted fully into your boat’s fuel tank.

Fueling a boat is not a race!

After installing Whisalert, when fueling your boat, always use the fuel pump at full speed to activate the whistle, then slow your pump speed down and listen for a lower tone to the whistle. This will give you more reaction time between filling the tank and potential spills.

The higher the pitch of the whistle, the faster the fueling speed. Thus, the less time you will have to react and stop fueling before a spill occurs.

Inspect your fuel system every year. Look for cracked fill and vent lines, rusted clamps, damaged fittings. Over 200 boats are destroyed and lives are lost every year due to explosions and/or fires on boats due to a fuel system malfunction. Don’t become a statistic!

Before installing Whisalert, blow into the product lightly to confirm the whistle mechanism is functioning properly.

Know your boat’s fuel tank size. Know how much fuel you need when fueling. For example, you think you need 30 gallons. Be ready during the last 1/3 of the amount of fuel you think you need. You may only need 24 gallons.

Whisalert is as affective as the boat operater’s knowledge. Be aware!


ALERT! High Speed Pumps can back up the fill, especially when fueling with diesel. Remember to pump slower!

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