Treloar Products

We specialise in engineering and supplying reliable critical fluid transfer equipment for tank trucks, service stations, terminals, depots, gas production plants and more.

Click on the product category or search for the product you are after and view the products below.


  • Tank Truck Equipment
  • Service Station Equipment
  • Nozzles & Dispensing Equipment
  • Terminal & Depot Equipment
  • Fluid Transfer Fittings
  • Valve Products
  • Projects

Product search


Order codes Spares






The OPW 144TA Tank Alarm is designed for high liquid level sensing - Australia: diesel only. Both audible and visual indicators are used to ensure reliable notifications. The 144TA is standard lithium battery powered for a long service life, and can be easily maintained into the future


• Audible Alarm - Sounds a 90-decibel alarm at 4 feet away.
• Visual Notifications - Red alarm light will flash during use for notification to user. Low battery light indicates when battery needs replaced.
• Intrinsically Safe - Complies with ANSI/UL 913 for Class I, Division 1 & 2 for Groups C & D hazardous locations - Australia: Diesel only.
• Long Life Lithium Battery - Self-powered by a Lithium battery which includes a 10-year shelf life to ensure peace of mind for the owner.
• Cold Weather Applicable - All components are rated for -40º C operation.
• Easy Installation - Requires no calibration and installs easily into a 25mm (1”) tank bung. May be assembled remotely or directly on top of tank.
• Corrosion-Resistance Construction - Petroleum and Environmental resistant housing and all stainless steel pipe fitting ensure a long product life.
• Various Installations - High Level Alarm is designed for use in tanks up to 4.6 meters. Alarms for larger tanks may be purchased special.
• Fuel Compatibility - Being of all stainless steel construction within the tank, the 144TA may be used in an array of fluid applications - from the fuelling industry to agricultural and chemical industries.
• Maintenance - Low battery light must be monitored and a replacement order installed when necessary.


Enclosure Polybutylene Terephthalate
Wire Grommet Nylon w/ Buna Seal
Float Switch Closed Cell Buna Float & Stainless Steel Rod
Pipe Stainless Steel
Tank Adaptor Stainless Steel
*144TA-0100 Single High Level Tank Alarm - 900mm/36” 1.8kg
*44TA-LLFS 36” Probe/Float Sub Assy

*NOTE: The complete unit requires both Probe and Alarm components as listed above

Latest news

Nov 26, 2021
An Australian-first innovation for bottom-loading sulphuric acid
In mid-2021 a local metals processing plant - part of a global multi-metal business approached Treloar with a unique request to determine the possibility of bottom loading trucks with 98.5% sulphuric acid. 

Oct 24, 2021
The Treloar Difference: Problem solving through the sales process
At Treloar, we don’t just manufacture and sell products. We prefer to utilise our in-depth technical knowledge to deliver solutions that not only help solve our client’s immediate needs but also uncover and solve problems.

Oct 14, 2021
Visy Floating Suction Project: Manufacture and Testing Update
OVERVIEW OF THE WEEK Our progress with the Visy project this week was centred around the completion of the manufacturing phase, assembly and testing, and final revisions. It was another big week with the deadline looming, and more creative problem solving was required to deliver the solution to ...

Oct 13, 2021
Visy Floating Suction Project: Progress Update
OVERVIEW OF THE WEEK The Treloar team has been hard at work this week finalising construction and preparing Visy’s custom floating suction for delivery. The process thus far has been relatively smooth, despite the team’s problem solving skills being called into action to successfully address some ...

Sep 29, 2021
Project Overview: Visy Floating Suction Project
PROJECT BRIEF Visy is a global leader in the packaging, paper and resource recovery industries. They have been providing high quality, innovative and sustainable packaging products and solutions in Australia for over 70 years. Visy recently approached Treloar with a challenging problem - they ...