Blue Diamond ETK40 is a diaphragm repair and service kit designed for Envir-O ET40 and ETA-40 linear air pumps. It supports routine maintenance of pumps used in residential aerobic septic systems, small garden ponds, and hydroponic reservoirs. The kit generally includes replacement rubber diaphragms and a magnet or actuator bar to replace worn internal components, helping restore airflow and pressure while extending the useful service life of compatible Blue Diamond pumps for regular servicing.
| ET40 Compatibility: Designed for Blue Diamond Envir-O ET40 air pumps. ETA-40 Compatibility: Suitable for compatible ETA-40 linear air pumps. Diaphragm Service: Replaces worn rubber diaphragms during maintenance. Actuator Support: Kit may include a replacement magnet or actuator bar. Airflow Restoration: Helps restore pump pressure and airflow performance. | Routine Maintenance: Recommended for periodic linear pump servicing. Septic Applications: Supports pumps used with residential aerobic systems. Pond Applications: Services pumps used for smaller garden pond aeration. Hydroponic Use: Maintains pumps used with hydroponic air reservoirs. Service Kit: Helps extend the useful life of compatible Blue Diamond pumps. |