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Why Is My Propane Grill Tank Hissing?

Follow these tips for safe grilling

grill tank Sampson County, NC Imagine the scene: it’s the perfect weekend afternoon, your marinated steaks are at room temperature, ready to sizzle, and you’re eager to get cooking. You connect your propane tank to the grill and then…you hear it. That mysterious, unnerving hissing sound emanating from your propane tank. What is it, and—more importantly—is it safe?

If you’re like many gas grill enthusiasts, the hiss is often the subject of speculation and concern. In this comprehensive guide, we’ll explore the various reasons your grill propane tank might be hissing, how to address the issue, and crucial safety measures to take.

Understanding the cause of grill tank hissing

Hearing a hissing sound from your propane tank can be alarming. The immediate question on your mind might be, “Is my grill about to blow up?” The good news is that hissing isn’t always a sign of imminent danger, but it definitely warrants investigation.

Pressure release valve: One of the most common culprits for a hissing noise is the pressure relief valve. This valve is an essential safety feature designed to release gas if the pressure inside the tank exceeds safe levels. Sometimes, the valve can be triggered by high temperatures or overfilling.

Overfilled tank issues: Overfilling a propane tank is not just wasteful; it can be hazardous. When there is too much propane in the tank, there is less room for the gas to expand. Any rise in ambient temperature can cause warm propane to expand and can even lead to the production of vapor within the tank, which, in turn, causes the pressure relief valve to open.

Regulator problems: The regulator on your grill is a critical component responsible for controlling the flow of propane to the grill’s burners. A damaged regulator can result in a hissing sound as gas escapes. Regulators can degrade over time due to wear and tear or exposure to the elements, so periodic checks are essential.

Safety procedures for a hissing grill tank

Discovering a hissing propane tank is a situation that requires a calm and calculated response with safety as the top priority. Here’s what to do and what not to do if you hear a hissing sound.

There are also some things you absolutely should not do.

Get a refill of your propane tank at any Parker Gas location!