Robinair A/C recycling spin-on filter-drier 34724 — replacement cartridge, activation code, moisture & acid protection

The Robinair 34724 spin-on filter-drier is a direct-fit replacement for Robinair recovery/recycle/recharge machines that removes moisture and acids to protect A/C service systems.

This replacement filter-drier is a genuine Robinair part engineered to match original fit, form, and function for select RRR (recovery, recycle, recharge) carts. Its proprietary desiccant blend and internal construction are designed to trap water and acidic contaminants that shorten the life of refrigerant equipment and vehicle A/C components. The unit ships with the activation code needed to enable installation and is sold individually.

What machines is the 34724 filter-drier compatible with?

Use this spin-on filter with a wide range of Robinair recovery and recharge machines, along with compatible OEM-equivalent RRR carts. Check your model number against the compatibility list before purchasing to ensure correct operation.

• Compatible with Robinair models: 17700A, 17700-2K, 34288, 34288NI, 34700, 34700-2K, 34788, 34788-H, 34788NI, 34788NI-H, 34800, 34800-2K, 34888HD, 34900, 34988, 34988NI, 34998.
• Also supports AC1234-4, AC1234-6, AC1234-9 refrigerant recovery/recycle/recharge machines where specified.
• May fit similar OEM RRR machines; confirm thread and activation-code requirements with your service manual.

How does this filter-drier help protect my A/C service equipment?

The 34724 captures moisture and acidic residues that can corrode internal components or degrade refrigerant oil, helping maintain system reliability. By removing contaminants before they circulate, it extends the functional life of valves, compressors, and other service parts.

• Specially blended desiccant for effective moisture removal.
• Adsorbs acidic byproducts that damage metal and seals.
• Spin-on form factor enables straightforward replacement and sealing.

What do I need to install and activate the replacement filter?

Installation is simple when you use a genuine Robinair replacement: the unit threads into the existing filter port and uses the included activation code to register with your machine. Always follow the machine’s service instructions for safe replacement and purge procedures.

• Includes activation code required for the machine to accept the new cartridge.
• Sold individually—keep spare units on hand for routine maintenance cycles.
• OE-style threads and sealing components for reliable, leak-free fit.

Why choose a genuine Robinair replacement over aftermarket options?

Genuine Robinair parts are engineered and validated by the manufacturer to meet the same standards as the original equipment, helping ensure predictable service intervals and compatibility. Using a validated replacement reduces troubleshooting time and supports consistent system performance.

• Tested and validated by Robinair engineers for fit and performance.
• Backed by Robinair’s reputation in HVAC-R and mobile A/C service tools.
• Designed to minimize downtime and extend RRR cart service life.

Who this is for: The Robinair 34724 spin-on filter-drier is intended for professional technicians and service shops that maintain Robinair recovery/recycle/recharge machines or compatible OEM units. It’s a practical replacement for preventive maintenance or when contaminants are detected during service. If you operate any of the compatible machines listed above and need an original-equipment replacement that includes the activation code, this part provides a straightforward, manufacturer-validated solution.