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The maintenance of a car or domestic air conditioning system requires specific, reliable and easy-to-use tools. For professionals as well as for individuals wishing to recharge air conditioning with alternative gases such as Duracool, Multicool or Climapure, this charging hose has been designed to simplify the operation. It is the ideal solution for connecting a can of refrigerant to the low-pressure circuit (type R134a) of your installation. Its practical design incorporates the essentials for a quick and safe response.
This hose is equipped with a compact, easy-to-read manifold with a measuring range from 0 to 200 psi. This pressure indicator is fundamental to guarantee a refrigeration load in accordance with the rules of the art. The main advantage of this pressure gauge is its ease of reading, allowing the pressure to be monitored in real time. It is crucial to adhere to the maximum recommended pressure for Duracool, Climapure or Multicool refrigerants, which should not exceed 45 psi. The pressure gauge is positioned directly at the end of the pipe, which makes handling particularly easy.
The fitting of this hose is specifically crimped for systems using the R134a low pressure standard. This compatibility ensures a perfect, watertight connection to the corresponding service ports on the vast majority of modern vehicles and air conditioning equipment. Its design is focused on simplicity: simply clip the connection to the low-pressure port to be ready to inject the gas. This specialization ensures that there are no connection errors or risk of confusion with high-pressure circuits. The use is therefore reserved for low-pressure R134a circuits only.
This device incorporates a tap with a needle. This feature is essential because it allows the refrigerant can (Duracool, Multicool, Climapure) to be pierced and the gas flow to be controlled by control. The faucet provides full control over the amount of product injected, which is vital to prevent over- or under-filling of the system. The process then becomes safer and more accurate:
Screw the faucet/needle onto the can of refrigerant.
Connect the hose to the low-pressure R134a service port.
Open the valve slightly to allow the gas to circulate while monitoring the pressure gauge.
Stop the load as soon as the pressure reaches a maximum of 45 psi.
The best way to use this tool is to take small steps and constantly monitor the built-in pressure gauge. For gases like Duracool, Climapure or Multicool, the ideal charging area is clearly established and should never exceed 45 psi. Exceeding this value may damage the compressor or impair the efficiency of the air conditioning system.
Typical examples of use include:
Automotive : To restore efficiency to your car's air conditioning which blows warm air. The hose connects to the low-pressure service port (the larger of the two).
Home Air Conditioner : On some fixed or mobile air conditioning systems equipped with R134a fittings.
Pressure Control : The pressure gauge alone allows the current pressure of the system to be checked before any gas injection.
With its hose length of 27 cm, the hose offers sufficient manoeuvrability while remaining compact, making it easier to work in sometimes tight spaces.
For complete information, here is a summary of the technical specifications of this air conditioning refill kit :
| Technical Specifications | Specifications |
| Refrigerant Compatibility | Duracool, Multicool, Climapure |
| Connection Standard | R134a Low Pressure (Crimped) |
| Manometer Range | 0 to 200 psi (Easy Read) |
| Ideal Charging Pressure | Maximum 45 psi |
| Hose Length | 27 cm |
| Built-in functionality | Tap with can piercer needle |
| Usage | Car and home air conditioning charging |