Fast-acting gas leak detector spray for pressurised systems. Forms bubbles instantly on contact with escaping air or gas. Water-based, non-flammable, and comes with a 360° spray nozzle for getting into awkward spots.
Finding a gas or air leak without the right product usually involves guesswork, soapy water, and a fair amount of frustration. The Timco Air & Gas Leak Detector is a purpose-made gas leak detector spray that cuts straight through all of that. Apply it to any pressurised joint, valve, fitting, or seam, and if there’s a leak present, you’ll see a stream of bubbles within seconds. No ambiguity, no misreading the result.
It’s water-based and non-flammable, which matters when you’re working near gas lines or any heat source. The formula reacts instantly on contact with escaping pressure, so you’re not standing there waiting and wondering. The 300ml aerosol comes fitted with a 360° spray nozzle, which is genuinely useful when you’re trying to get product onto a connector tucked behind a boiler or a valve buried inside a manifold. Not always glamorous work, but it gets done faster.
Where Timco Gas Leak Detector Spray Gets Used
This is the kind of product that earns its place in a service bag and rarely comes out. When it does, you’re glad it’s there. Gas engineers, heating engineers, refrigeration technicians, and HVAC installers all rely on a reliable leak detection spray to verify installations and diagnose faults quickly. One methodical pass around a newly fitted system takes a few minutes and gives you solid confirmation that everything is tight.
Typical Applications
The Timco gas leak detector works across a wide range of pressurised systems including natural gas and LPG pipework, air conditioning and refrigeration circuits, compressed air lines, exhaust systems, and any threaded, welded, or push-fit connection point. It’s equally useful during new installs and when tracing an intermittent fault on an existing system.
Compact enough to keep in a van shelf or tool bag, it’s one of those products that doesn’t take up much space but saves a lot of time when you need it.
Pro Tip: When checking a larger system, work methodically from the supply end outward and mark any suspect joints before you start, so a second pass confirms the find rather than leaving you guessing which fitting bubbled first.
Gas leak detector spray is used by heating engineers, gas fitters, refrigeration technicians, and HVAC installers to quickly verify the integrity of pressurised systems. It's applied to joints, connectors, valves, and seams on both new installations and existing systems where a fault is suspected. Useful anywhere a pressurised line exists, from domestic boiler pipework to commercial refrigeration units and compressed air systems.
Best For
Natural gas and LPG pipework
Air conditioning and refrigeration systems
Compressed air lines
Exhaust systems
Boiler and heating installations
Threaded and push-fit connectors
Compatible With
Screw and compression fittings
Welded seams
Valves and stopcocks
Pipe joints and manifolds
Pressurised air and gas systems
Key Properties
Water-based formula
Non-flammable
Instant bubble reaction
360° spray nozzle
300ml aerosol
Suitable for confined and hard-to-reach spaces
Not suitable for: Not intended for use on systems that are fully depressurised, as there is no pressure differential to trigger bubble formation. Not a substitute for electronic gas detection where regulation or risk assessment requires it.
Shake the can before use. With the system pressurised to its normal working pressure, spray a generous coat onto each joint, fitting, valve, or seam you want to check. Watch for bubble formation, which appears within seconds if a leak is present. Any bubbling indicates escaping pressure at that point.
The 360° nozzle lets you spray upward or at awkward angles without having to invert the can fully, which is useful when working in tight spaces. Wipe away residue with a damp cloth once the check is complete. Do not use on systems that are at rest or depressurised.
Ensure the system is pressurised to its normal working pressure before beginning
Shake the aerosol can thoroughly
Hold the can close to the area being tested and depress the nozzle
Apply a generous coat over each joint, fitting, valve, or seam
Observe the treated area for bubble formation, which indicates a leak
Mark any suspect joints for repair before moving on
Wipe residue from all surfaces with a damp cloth once the inspection is complete
Can this be used on LPG systems as well as natural gas?
Yes. The spray works on any pressurised gas or air system, including LPG. As long as the system is under working pressure, the formula will react to any escaping gas and produce visible bubbles at the leak point.
Is it safe to use near open flames or ignition sources?
The formula itself is non-flammable, which helps when working in proximity to gas appliances. That said, standard safe working practices around gas systems still apply, and you should follow current gas safety regulations at all times.
Does the spray leave any residue that could affect the fittings?
It is water-based, so residue is easy to remove. A wipe down with a damp cloth after the inspection is sufficient. It should not damage or degrade standard pipe fittings, valves, or connectors when used as directed.
The Timco Air & Gas Leak Detector is a water-based aerosol formulation designed for leak detection on pressurised air and gas systems. The non-flammable formula reacts immediately on contact with escaping pressure, producing a visible bubble pattern at the point of escape. Supplied in a 300ml aerosol fitted with a 360° valve for directional application in confined spaces.
Brand
Timco
Volume
300ml
Formula
Water-based
Flammability
Non-flammable
Nozzle Type
360° spray nozzle
SKU
237023
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