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Würth Air-Conditioning Leak Stop Plus

Würth Air-Conditioning Leak Stop Plus

24 in stock

Key Features

  • Seals micro-leaks preventatively on metal and rubber components of A/C systems.
  • Compatible with mineral, ester, and PAG oils, ensuring wide application across vehicle air-conditioning systems.
  • Improves compressor lubrication thanks to ester oil content, extending service life and improving refrigerant compression.
  • Leak detection made easy with integrated UV dye, visible under conventional UV light.
  • Polymer-free formula - will not clog or damage sensitive A/C components or service units.
  • Safe for R134a and R1234yf systems.
£44.99 GBP
£44.99 GBP
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Product Product subtotal Quantity Price Product subtotal
Würth Air-Conditioning Leak Stop Plus
Würth Air-Conditioning Leak Stop Plus
Würth Air-Conditioning Leak Stop Plus
£44.99/ea 		£0.00
£44.99/ea £0.00

Description

Preventative Micro-Leak Sealing

Würth Air-Conditioning Leak Stop Plus is specially designed for sealing micro-leaks in vehicle A/C systems, ensuring long-term reliability and reduced refrigerant loss. Unlike products containing polymers, it does not form hard deposits that can clog components or damage service units.

Enhanced Compressor Protection

The additive contains ester oil, which improves lubrication within the compressor. This reduces wear, extends service life, and ensures more efficient refrigerant compression, thereby optimising system performance.

Dual-Function Leak Detection

In addition to sealing, this additive also contains a highly fluorescent UV dye. This enables quick and reliable detection of leaks with the use of standard UV lamps, saving time in diagnostics and preventing future system failures.

Universal Compatibility

Compatible with R134a and R1234yf systems and safe for use with mineral, ester, and PAG oils, Leak Stop Plus is suitable for virtually all vehicle air-conditioning systems.

More Information

Application Instructions

  1. Remove the protective caps from both the low-pressure (blue) and high-pressure (red) A/C connections.
  2. Use an air-conditioning service unit to evacuate the circuit and extract the refrigerant.
  3. Create a vacuum for at least 10 minutes, then maintain at a minimum of 60% for another 10 minutes.
  4. Before connecting the Leak Stop Plus can to the low-pressure port, purge the hose slowly with product to eliminate air.
  5. Turn the can upside down and fill the cooling circuit for approximately 20 seconds via the low-pressure connection.
  6. Disconnect the Leak Stop Plus from the low-pressure port.
  7. Refill the cooling system with refrigerant in line with manufacturer specifications.
  8. Disconnect the service unit and replace the protective caps on the low- and high-pressure connections.
  9. Run the air-conditioning system for 15-20 minutes to distribute the additive throughout the circuit.

Important Safety Notes

  • Do not connect to the high-pressure side of the A/C circuit. This may cause the container to burst leading to injury.
  • For professional use only - always follow vehicle manufacturer specifications and workshop safety guidelines.

Specifications

Product type: A/C leak stop and UV leak detection additive

Compatibility: R134a and R1234yf systems; mineral, ester, and PAG oils

Functionality: Preventive sealing of micro-leaks; compressor lubrication; UV leak detection

Formula: Polymer-free, ester-oil based

Application: Via low-pressure (blue) port using A/C service unit

Safety: Non-polymer, non-clogging; safe for compressors and service equipment

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