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Pentair R172009Z – Lid O-Ring Replacement
Product Overview
The Pentair R172009Z is a replacement Viton O-ring designed for use on the lid of certain Pentair automatic chemical feeders. It helps maintain a watertight seal around the feeder cap, preventing leaks and ensuring reliable chemical dispensing.
Key Features
- Replacement O-ring for feeder lids on select chemical feeder models.
- Constructed of Viton for chemical resistance and long service life.
- Helps ensure the chemical chamber remains sealed and operates correctly.
Technical Specifications
- Part Number: R172009Z
- Material: Viton (FKM) elastomer
- Application: Lid seal on automatic chlorine/bromine chemical feeders
Applications & Compatibility
This O-ring is intended for use when the original lid seal on an automatic chemical feeder is worn, cracked or leaking. It fits several Pentair feeder models that use this cap-style O-ring. Always verify your feeder model to ensure compatibility.
Installation Instructions
- Turn off the chemical feeder and isolate its water flow before servicing.
- Remove the lid or cap from the feeder housing and drain any remaining chemicals safely.
- Remove the old O-ring, clean the grove and lid sealing surface thoroughly.
- Lightly lubricate the new R172009Z O-ring with pool-safe lubricant and position it correctly in the groove.
- Reinstall the lid and restore flow; check for leaks around the seal after startup.
Troubleshooting
- Leak around feeder lid: Check that the O-ring is seated flat, the lid threads are clean, and the seal surface is undamaged.
- O-ring extruded or flattened: Ensure your feeder lid is properly aligned and torque is correct; inspect the groove for damage.
- Chemical smell or vapor escape: Replace the O-ring if it shows signs of hardening, cracking or discoloration.
Maintenance Tip
Inspect the lid O-ring annually during your chemical feeder maintenance routine. Replace the R172009Z O-ring if it appears hardened, cracked or is no longer sealing properly to maintain safe and leak-free operation.
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