10 Best Oil Tank Gauges 2025 in the United States

The Smart Oil Gauge is a Wi-Fi-enabled device that allows you to effortlessly monitor your heating oil tank levels from anywhere using your smartphone. This feature makes it particularly appealing for those who want to avoid frequent trips to check their tanks, especially if they are busy or away. You'll receive low-level alerts via text or email when your oil reaches critical capacities, which can help you prevent running out of oil unexpectedly during cold months. This gauge is designed to fit a variety of standard steel tanks, making it versatile for different setups, whether vertical, horizontal, or cylindrical.

One of the standout features is the ability to track your oil consumption patterns, helping you make informed decisions to optimize your energy usage and potentially reduce heating costs. Additionally, installation is made easy with instructional videos and customer support, which is a plus for users who may not be very handy. The Smart Oil Gauge is an excellent choice for those looking for convenience and insights into their heating oil usage, especially for above-ground tank owners. It offers great remote monitoring capabilities, but users should ensure compatibility with their specific tank type and consider their internet reliability before purchasing.

The OEM 7000 Wireless Fuel Level Monitor is designed to make monitoring your oil tank level easier and more convenient. One of the standout features is its wireless ultrasonic technology, which allows for installation without the hassle of running wires. The kit includes everything you need, including a receiver and transmitter, making installation straightforward even for those who may not be particularly tech-savvy. With a range of up to 150 feet, you can place the receiver in a location that suits you, ensuring you can easily check your oil levels from a distance.

In terms of functionality, the monitor provides both visual and audible alerts when your oil levels are running low, which can prevent unexpected outages. Additionally, the ability to set up multiple receivers for one transmitter adds flexibility, making it a practical choice for larger properties with more than one oil tank.

There are some drawbacks to consider. While the device claims to have good accuracy, the performance can vary based on environmental factors and the positioning of the transmitter. Some users may experience occasional connectivity issues, especially if there are obstacles between the transmitter and receiver. Additionally, while it is lightweight and compact, it's important to ensure it fits well within your tank setup, as its dimensions may not suit all installations perfectly. The monitor's compatibility is generally good for standard oil tanks, but users should always double-check specifications to avoid compatibility issues. Finally, since it runs without batteries, ongoing maintenance is minimal, but keep in mind that any electronic device can require troubleshooting at some point.

The BJE 007665 Red Fox Liquid Level Gauge is designed for monitoring the liquid levels in tanks, compatible with oil, waste oil, diesel fuel, antifreeze, water, and most low flash point liquids. This gauge can handle tanks up to 99 inches in height, making it versatile for various tank sizes. The gauge's stainless steel construction ensures durability and resistance to corrosion, which is particularly important for long-term use in industrial settings.

The horizontal float and 2-inch NPTF tank fitting simplify the installation process, though some users might need professional assistance depending on their tank setup. The oversized floats and swivel assembly contribute to its accuracy, providing reliable readings. The large number display makes it easy to read the liquid level, which is a practical feature for ensuring quick and clear assessments.

Made entirely in the USA, it assures quality and robust construction. This gauge might be overkill for smaller tanks under 99 inches, and it may be more suited to those needing precise and frequent monitoring of larger tanks. It’s a reliable option for industrial users who require a robust and accurate level gauge.