Many third-party knockoff filters do not include the authentic Robinair serial registration code, leaving your machine digitally locked even after a physical installation.
Robinair recovery machines (such as the popular 34788, 34788-NI, or AC1234 series) rely on spin-on filter-drier cartridges to remove moisture and acid from recovered refrigerants. The serial and part numbers on these filters serve three critical functions:
Never. A missing serial number usually means the filter is counterfeit, a factory second, or a returned item. Genuine Robinair filters always have a legible serial number.
In the world of automotive HVAC recovery, recycling, and recharging machines, Robinair is a name synonymous with reliability. Whether you are a professional mechanic in a high-volume dealership or a dedicated DIY enthusiast restoring a classic car, your Robinair unit (such as the popular 34788, 34988, 34288, or AC375 models) is the backbone of your air conditioning service. robinair filter serial number
The machine’s serial number determines the filter part number , not the old filter’s serial number.
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It is highly recommended to write down or scan this 10-digit number before you install the filter, as it can be difficult to read once the filter is screwed into the rear compartment of the unit. Many third-party knockoff filters do not include the
New OEM Robinair filters feature a printed label directly on the metal canister. This label contains:
: These identify the type of filter (e.g., 34724 for spin-on filters used on older machines, or 34728 for high-capacity filters used on newer NI series machines). This number is identical across thousands of boxes.
The filter-drier will have a label on its side or top containing a 10-digit numerical code. A missing serial number usually means the filter
If the machine still rejects the code, contact Robinair Technical Support for a potential override code 1.2.2. Conclusion
Following the correct procedure is essential to prevent a "serial number error" and get your machine back to work. 1. Initiate Filter Maintenance Navigate to the on your Robinair unit. Select the Maintain Filter option.
The Ultimate Guide to Robinair Filter Serial Numbers: Identification, Replacement, and Tracking
Remember the golden rule of AC machine maintenance: No serial number, no installation. No verification, no operation.
The Ultimate Guide to Robinair Filter Serial Numbers: Identification, Replacement, and Maintenance