The scheduled service kit for OWS windmill aerators. Every 4–6 years the compressor's wear parts should be renewed; this kit includes the diaphragms, valves, and seals for both BalCam I and BalCam II compressors, with step-by-step instructions for a straightforward DIY install. Keeping fresh seals in the compressor protects airflow and avoids an emergency repair mid-season.
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