Star-Clear Plus Filter Kit: Knob, Vent Valve & Pressure Gauge

Complete Replacement Parts Kit for Star-Clear Plus Cartridge Filters

Keep your pool running at peak performance with this all-in-one replacement parts kit designed specifically for Star-Clear Plus cartridge filters. This bundle includes the CX900G Knob, ECX1322A Directional Vent Valve, ECX271261 Boxed Pressure Gauge, and Teflon Tape — everything you need to restore and maintain your filter system with confidence.

Made in Mainland China.

What's Included

• 1 × CX900G Filter Knob
• 1 × ECX1322A Directional Vent Valve with O-Ring
• 1 × ECX271261 Boxed Pressure Gauge
• 1 × Teflon Tape

Key Features

• CX900G Replacement Knob: Crafted from premium waterproof and UV-resistant material, this knob is engineered for a precise, secure fit on Star-Clear Plus filters. Easy to install and built to last through seasons of outdoor use.
• ECX1322A Directional Vent Valve with O-Ring: Ensures optimal flow direction and filtration efficiency. Compatible with a range of pool filter systems, this valve comes complete with a sealing O-Ring for a leak-free connection right out of the box.
• ECX271261 Boxed Pressure Gauge: Features two settable indicator needles so you can mark your clean and dirty filter thresholds at a glance. The gauge is housed in a durable 304 stainless steel case for corrosion resistance, and glycerin-filled to stabilize pointer readings and protect internal components from vibration.
• Teflon Tape Included: Provides a reliable thread seal during gauge installation, helping prevent leaks and ensuring a secure, long-lasting connection.

Why This Kit?

Instead of hunting down individual replacement parts, this bundled kit gives you everything needed to service your Star-Clear Plus cartridge filter in one convenient package. Whether you're doing routine maintenance or addressing a worn component, this kit simplifies the job and helps deliver consistently clean, clear pool water all season long.

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Pool Safety & Maintenance Resources

For guidance on pool water quality and safe filtration practices, visit the CDC Healthy Swimming resource.

Frequently Asked Questions

Q: Which pool filter models are compatible with this Star-Clear Plus replacement kit?

A: This kit — including the CX900G Knob, ECX1322A Directional Vent Valve, and ECX271261 Boxed Pressure Gauge — is designed for use with Star-Clear Plus cartridge filter systems. Please verify your filter's model number against each part number (CX900G, ECX1322A, ECX271261) before ordering to ensure compatibility.

Q: What does the pressure gauge's glycerin fill do?

A: The glycerin fill in the ECX271261 Boxed Pressure Gauge dampens pointer movement caused by water pressure fluctuations and vibration. This keeps the needle steady for easy, accurate readings and helps protect the internal mechanism for long-term durability.

Q: Is Teflon tape necessary for installing the pressure gauge?

A: Yes — wrapping Teflon tape around the threaded connection before installing the pressure gauge creates a watertight seal and prevents leaks. The tape is included in this kit for your convenience.

Q: How do I know when my cartridge filter needs servicing?

A: The ECX271261 Pressure Gauge features two settable indicator needles. Set one needle at your clean filter pressure baseline and the other at your cleaning threshold (typically 8–10 PSI above baseline). When the live reading reaches the second needle, it's time to clean or inspect your cartridge filter.