Blue Diamond DSET120 is a diaphragm and magnet rebuild kit for ET120, ET120A, and ETA-120 linear air pumps. The kit includes two 3 1/8 inch replacement rubber diaphragms, a new magnetic shuttle bar, and a fresh intake air filter pad. Replacing worn internal components can help restore airflow and pressure, support reliable operation, and address low-pressure alarm conditions. Proper diaphragm seating, interior cleaning, and correct magnet alignment help support dependable pump performance well.
| ET120 Series Fit: Designed for ET120, ET120A, and ETA-120 air pumps. Two Diaphragms: Includes two 3 1/8 inch replacement rubber rings. Magnetic Shuttle: Includes a replacement magnetic shuttle bar. Air Filter Pad: Fresh intake filter helps protect internal pump valves. Pressure Support: Helps restore lost airflow and operating pressure. | Alarm Service: Supports repair of low-pressure alarm conditions. Clean Interior: Remove red dust and debris before installing new parts. Install Tip: Pre-stretch diaphragms before seating them in grooves. Magnet Alignment: White dot should face the pump air exhaust nozzle. Routine Service: Designed for compatible 120-series pump maintenance. |