Rubber seals for service charging hoses 1/4″ SAE and R410A/R32

High-quality rubber seals for service filling hoses are designed to reliably seal connections when servicing refrigeration and air conditioning systems. They are suitable for service hoses with a 1/4″ SAE connection and for R410A and R32 refrigerant hoses with a 1/2″-20 UNF (5/16″) connection. The seals are suitable for replacing worn or damaged seals and help ensure a reliable seal when connecting service hoses.

Main advantages:

• For service filling hoses with 1/4″ SAE connection
• Suitable for R410A and R32 pipes
• Connection 1/2″-20 UNF (5/16″)
• Made of rubber
• Suitable for replacing worn seals

Technical data:

• Type: rubber seal for service pipes
• Connection: 1/4″ SAE
• Application: R410A, R32 – 1/2″-20 UNF (5/16″)
• Material: rubber
• Packing: 10 pieces

It is important to know

When choosing a gasket set for air conditioners, such as REFCO P-509/10, it is advisable to carefully check whether the dimensions correspond to the specific need and type of installation. The gasket is a basic but crucial accessory when servicing or installing an air conditioner; a quality choice reduces the risk of air or refrigerant leaks and facilitates regular maintenance of the device. We recommend that you clearly determine before purchasing whether the kit covers your specific application or service intervention.

• When choosing a gasket, it is important to check the dimensions and installation method according to the air conditioner model or the location being serviced.
• A kit with many seals makes work easier for larger or recurring services, but is not necessarily suitable for the specific requirements of less common device models.
• A common mistake is choosing a gasket based solely on price or quantity in the package – before making a decision, check whether the material and design are suitable for the intended use (e.g. resistance to refrigerant, gasket width).

Source of editorial recommendations: general verifiable guidelines for product selection.

In practice

🟢 Air conditioning service or repair

The gasket set allows for quick replacement of worn or damaged gaskets during routine services and minor repairs, as you receive several spare parts in one package.

🟡 Installation of a new air conditioner

As a basic set of seals, it is useful during assembly, but it is necessary to check beforehand whether it can be used in all places according to the specific design of your device.

🟡 Regular maintenance of devices

The set is practical for users and service technicians who want to have a supply of seals for several interventions; however, it is necessary to monitor the condition and select the appropriate size and material in a timely manner depending on exposure to internal and external factors.

🔴 Universal use on less standard devices

In the case of special or less common air conditioner models, the design or dimensions of the gaskets from the kit may not be sufficient to provide a perfect seal in all situations.

Answers to frequently asked questions

Is this gasket set suitable for all air conditioner models?

The set contains several seals, but it is not universal for all models; we recommend checking the compatibility of the dimensions with your device before purchasing.

What should I check before installing the seal?

Check the correct gasket size, material and installation location to ensure optimal sealing and prevent refrigerant leakage.

Does the kit make sense for home use or regular servicing?

A kit with multiple seals makes more sense for those who regularly maintain or service multiple air conditioners.

Can I use the seals from the kit for other types of devices?

This set is primarily intended for use with air conditioners; for other types of devices, please check the appropriate dimensions and material separately.

Description updated: September 2026

Why buy from ENAA?

• We deliver more than 95% of orders the next business day - quickly get the desired spare parts for your air conditioning system.
• The descriptions and guides on ENAA are transparent and unbiased, making it easier for you to make an informed decision.