Efficient Testing, Safe Filling – WEH® Quick Connectors for Refrigeration and Air Conditioning Technology
WEH® Quick Connection solutions provide relief precisely where it’s needed: enabling pressure-tight connections in seconds on Schrader valves, straight tubes, threads, or bores – without screwing, without refrigerant loss. Ideal for use in manufacturing, service, and development. From refrigerant filling to leak testing, WEH® delivers proven solutions for refrigeration and air conditioning technology – ergonomic, cost-effective, and certified “Made in Germany.”
Common applications
Pressure and Leak Testing in Refrigeration and Air Conditioning Technology
Refrigerant filling
Evacuating the refrigerant circuit
Your solution starts here: Our products & systems
WEH<sup>®</sup> Service Connectors – The Clean Solution for Maintenance & Service
For years, our connectors have been a trusted standard in service applications – and for good reason: Conventional screw-type connectors often release significant amounts of refrigerant when disconnected, posing risks to both the environment and the operator. With the WEH® Service Connector, the connection to beaded tube lines is made in seconds – leak-free and without risk of injury.
✔ Prevents refrigerant loss
✔ Protects against cold burns on hands
✔ Saves time, reduces costs – ideal for daily service use
WEH® Quick Connectors for Testing – Leak Testing Without Screwing
Whether straight tube or bore – WEH® Test Connectors enable fast pressure and vacuum tests on HVAC components without manual screwing. Ideal for heat exchangers, evaporators, pressure vessels, and more.
✔ Instant connection to straight tubes & bores
✔ For pressure tests up to 100 bar
✔ Shorten test times, increase productivity
WEH<sup>®</sup> Quick Connectors for Filling – Efficient Filling of Gaseous Media
Whether with or without residual pressure valve – WEH® filling connectors allow quick and safe filling of cylinder valves with external threads, completely without screwing. The connector seals pressure-tight in seconds, enhances workplace safety, and minimizes refrigerant loss.
✔ Tool-free connection
✔ For gaseous media
✔ High process reliability & operator protection during filling operations
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Operating Instructions
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Certificates
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Why WEH?
Quality You Can Rely On
Our products are manufactured to the highest standards. At WEH, quality is no coincidence – it’s our standard, ensured by 100% final inspection and certified processes.
Service You Can Rely On
By choosing a WEH® product, you’ve chosen long-lasting quality. And our service ensures it stays that way. Whether maintenance, inspection, repair, or original spare parts – our experienced team is committed to maximum safety, efficiency, and preserving the value of your equipment.

Fast and Helpful Support
Questions about application, technology, or spare parts? Our technical support team is here for you – direct, competent, and without detours. Personally available and globally reliable.



































