Why this matters
Every litre that escapes is lost revenue and a potential reportable event. Persistent weeping at a swivel or union can migrate into pump cabinets and sumps where it accelerates corrosion and degrades wiring. Vapour and liquid exposure increases risk to staff and customers. Regulators expect a proactive approach that prevents leaks rather than reacts to spills. Addressing small leaks early protects people, assets, and reputation.
Addressing issues with Fuel Dispenser Leaking nozzles is critical for maintaining safety and efficiency in operations.
What usually goes wrong
Nozzles and breakaways wear with every dispense. Elastomers harden and lose elasticity. Springs relax. Hose covers crack and allow water to track into braids and fittings. Under pump unions loosen from vibration and thermal movement. Repeated drive off loads stress swivels and breakaways even when they do not separate. Additives and biodiesel blends can swell seals that were never designed for them. Over time a clean drip becomes a steady weep.

Warning signs you should not ignore
Customers notice wet handles, fuel smell at the island, and frequent nozzle cut outs. Technicians see staining around swivels, sheen in the drip tray, and damp insulation inside the cabinet. Increasing dispenser fail to runs often point to liquid ingress at electrical terminations. A small increase in unexplained variance can be the first sign of a growing leak path. Treat these as early indicators and act before the problem escalates.
How Flowco finds the leak fast
We begin with a structured inspection that covers nozzle assemblies, breakaways, swivels, scuff and splash guards, and hose routing. Under pump connections are checked for torque, seal condition, and evidence of capillary tracking. We use dye penetrant and clean wipe tests to separate legacy staining from active leaks. Where needed we isolate and pressure test the hose and nozzle assembly to confirm integrity without disturbing calibrated components. Findings are documented with photos so you can see exactly what is happening on site.
Repair and replacement done right
Our technicians carry the correct parts for your dispenser family so most leaks are fixed on the first visit. Seats and seals are replaced rather than over tightened. Breakaways and swivels are renewed when internal wear exceeds tolerance. Hoses are replaced when bulging, kinking, braid exposure, or cover cracking suggests imminent failure. Under pump unions are re made to specification with the correct seal material for your fuel grade. On completion we verify dry connections and clean down the area so the equipment returns to service presentable and safe.
Compliance and standards you can rely on
Work is completed in line with Australian Standard AS1940 for storage and handling of flammable and combustible liquids. We apply UPSS requirements for leak prevention and detection and follow manufacturer instructions for certified components. Where nozzle changes may influence meter performance we complete a post work meter check so your NMI obligations remain intact. Records of parts, serials, and test results are retained to support audits and insurer queries.
Preventing a repeat
Leak free performance is best achieved through routine care. We recommend periodic torque checks on under pump unions, scheduled nozzle and breakaway refurbishment, and hose rotation to even out stress. Water management on the island reduces corrosion at exposed fittings. Simple housekeeping like correct nozzle holstering and line purging after maintenance extends component life. These habits reduce leaks, improve customer experience, and lower total cost over the asset life.
When to consider a broader upgrade
If leaks are recurring across multiple islands, it may be time to step back and look at the wider system. Legacy hose specifications may not suit current fuel blends. Old swivels and breakaways may lack the sealing technology that modern components provide. A short program to standardise assemblies and refresh under pump connections can reset your failure rate and restore confidence in your equipment.
Why retailers choose Flowco
Flowco combines disciplined diagnostics with the practical experience of technicians who work on these systems every day. We carry the right parts, complete repairs in one visit where possible, and document results clearly. Our focus is safety, compliance, and getting dispensers back to service quickly so you can look after your customers.
Talk to Flowco
If you are seeing drips at the nozzle, damp hose tails, or staining around under pump unions, do not wait for a spill. Book a site assessment and we will give you a clear plan to eliminate leaks and keep your forecourt safe and compliant.