Picture of a water heater gas connection

These Are The Warning Signs Of Water Heater Gas Leaks

Homeowners typically choose gas water heaters for their energy efficiency and lower operating costs. But, unfortunately, when a water heater runs on gas, there’s always a possibility of a gas leak. These leaks usually happen when the heater has a faulty gas line or is fitted or maintained poorly. Whatever the cause, the dangers of a gas leak can’t be overstated. Therefore, learning some telltale signs that the water heater might have gas leaks is crucial.

A ROTTEN EGG SMELL

A sulfur smell resembling rotten eggs represents one of the most apparent gas leak signs. Since gas naturally has no odor, companies add harmless chemicals that produce a distinct rotten egg odor. If homeowners smell this type of odor around the water heater, they must act quickly. After shutting off the gas, they should immediately have the heater checked.

A HISSING NOISE

Besides emitting distinct odors, a gas leak will produce specific sounds that resemble a hissing or a whistling noise. The louder the noise, the more likely it is a significant leak. For this reason, it’s critical to regularly inspect the water heater for any signs of a faulty gas line or loose connection. In addition, if the hissing noise gets loud while the homeowners notice it, they should take all the necessary safety precautions promptly. 

WILTING HOUSEPLANTS

Wilted, brown, or dead vegetation around the water heater can indicate a gas leak. This is because the natural gas prevents plants from taking in carbon dioxide, effectively stunting their growth.

Keep in mind that people don’t necessarily associate this sign with a gas leak since many factors can contribute to the death of vegetation. However, if household members properly care for the plants and others farther away from the water heater are thriving, these drastic changes could be a red flag.

A FORMATION OF BUBBLES

Air bubbles are one of the most subtle gas leak indicators since they won’t appear unless homeowners perform a designated test. However, they undoubtedly point to a water heater gas leak if they do appear.

To perform the bubble test, homeowners should mix a little dish soap with water. Then, dip a cloth rag into this mixture and use it to wipe down the water heater and the surrounding gas pipes. If bubbles form on a soaped area, gas is leaking from there. Once the homeowners detect a gas leak, they should immediately open all the windows and seek professional plumbing help.

CONTACT A PROFESSIONAL

Improperly installed or maintained water heaters increase the risk of a gas leak. Therefore, hiring a professional service team like Water Heater Pros to manage these crucial tasks is essential. In addition, if a gas leak has already happened, homeowners should turn to professionals to adequately repair the heater or replace it if necessary.


Water Heater Pros provides water heater installation and replacement services for Las Vegas and surrounding area residents and businesses. Our expert technicians install both traditional and tankless water heaters for homes and other buildings with gas or electric service. We offer the highest quality installers for efficient, versatile water heaters such as State, Ruud, high-efficiency tankless Navien units, and more. Contact our team today and ask about our installation specials!