Cosmoslac N748 Leak Detector

  • £8.99
Item is in Stock   |   • Usually dispatched within 24 hours

Leak detector is a product in an easy-to-use aerosol that allows easy detection of suspected leaks. This product starts producing bubbles at areas where a leak is present. Non-toxic and non-flammable. Product is designed for tracing leaks in all pressurized gas systems, compressed air, helium, nitrogen etc. as well as in iron, copper, and plastic piping.

The spray is used for the fast, convenient and reliable location of leaks (cracks or porous spots) in pressurized pipes. Can be used on hoses, regulator nuts, flashback arrestors, shank valves, head nuts and other fittings to help detect leaks. Solution will bubble on contact with leaking gas.

Superior quality leak detector




Will not form combustible mixtures with other gases

All dried residues are completely water washable

Ηigh sensitivity, even smallest leakages can be detected

Enhanced Performance

Low odour




Shake can well before use. Substrate should be clean and dry. Keep spray distance at 20-30 cm and spray area to be treated and see where foam building appears. Rinse the product off by water when used on plastic or copper pipes. Optimal application at temperature: 10-32°C and humidity below 65% to ensure proper drying. Do not use on objects that may exceed 90°C surface temperature. Storage 10-30°C.



Use on room temperature

Store in a cool, dry area

Use only in a well ventilated area

Wear protective gloves/protective clothing/eye protection/face protection/hearing protection

Shake can from time to time during use

Protect the object and the surrounding area from spray mist



All delivery options, costs and estimated delivery dates are available at checkout.

If your order is placed by 1pm (Monday - Friday, excluding Bank Holidays) we can offer a scheduled next working day delivery - via our Express services (UK only, not including extended area destinations). 

Please place your order by 1pm to allow us time to prepare your order for dispatch at 3pm, and choose an appropriate shipping method at checkout (estimated delivery dates will be displayed at this point - you may need to choose the express shipping option).

Orders which are received after 1pm and outside of working hours cannot be dispatched until the next working day.


You can return any unused items for a full refund of the item price within 14 days of receiving the item. Upon receipt, a refund will be issued within 48 hours. 

After 14 days, if the item/s are not faulty or sent in error and you wish to return / exchange them, there will be a 5% restocking fee. 

If more than 30 days have passed since your order was received then the items can no longer be returned to us.

These terms do not apply to DVDs where the outermost seal/wrapping has been broken and do not apply to books or magazines.

We accept all major credit and debit cards as well as PayPal & Amazon Pay.

We take online security very seriously and to ensure we provide you with a safe and secure environment we also provide the Norton Shopping Guarantee free of charge.  

We do not hold or record any sensitive information such as your card details to ensure we are PCI Compliant.

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