Gauges

The main options are mechanical float gauges, which show level via a visible dial or float indicator, and electronic/ultrasonic gauges, which use a sensor to measure level and display it digitally or via an app. Mechanical gauges are simple, low-cost and need no power source, while electronic models offer greater accuracy, remote monitoring and alert features. The right choice depends on your tank type, access, and whether you need to check levels on-site or remotely.

Most gauges are designed to suit a particular tank profile, such as vertical cylindrical, horizontal cylindrical, or flat-panel GRP tanks, so it's important to match the gauge to your tank shape and depth. Fitting thread size and cable or probe length also need to correspond to your tank's dimensions and outlet position. If you're unsure, measure your tank's height and check the manufacturer's fitting guide, or get in touch with our team for guidance before ordering.

Most mechanical float gauges are straightforward to fit yourself, typically screwing into an existing boss or fitting on the tank via a threaded connection, with no specialist tools required. Electronic and wireless gauges are also generally designed for DIY installation, though some models with app integration may require a brief set-up process to pair with your home network. If your gauge is being fitted to a buried or below-ground tank, or as part of a sewage treatment system, we'd recommend professional installation to ensure the sensor and any cabling are properly sealed.

Some gauges are suitable for waste-water applications, but you do need a model specifically rated for septic or effluent use, as standard potable water gauges aren't designed to cope with solids or the corrosive conditions found in sewage systems. Check the product description for compatibility before ordering, and if in doubt, ask us to confirm suitability for your specific tank and application. Using the wrong gauge type in a waste-water tank can lead to inaccurate readings or premature failure.

Wireless and ultrasonic gauges are generally very accurate, often to within a few millimetres, but performance can be affected by tank shape, turbulence, or obstructions inside the tank such as pipework. Most models come pre-calibrated for standard tank profiles, though some allow manual calibration to fine-tune readings for your specific tank once installed. It's worth checking the manufacturer's instructions during set-up to ensure the sensor is positioned correctly for the most reliable results.

Many gauges are built for outdoor use and weatherproofed to IP-rated standards, making them suitable for above-ground tanks exposed to the elements, and some electronic models are specifically designed to work with buried or underground tanks via a remote sensor and separate display unit. Always check the IP rating and any depth or cable-length specification before buying if your tank is below ground or in an exposed location. This ensures the electronics stay protected and the gauge continues to perform reliably over time.