H/W STAR-CLEAR PLUS KNOB - (CX900H)

SKU: CX900H
Regular price $3.59

Available for pickup at

  • MT Pool Distributor Broward (2) in stock
  • MT Pool Distributor Corporate (9) in stock
  • MT Pool Distributor North (70) in stock
  • MT Pool Distributor South (6) in stock
In stock

The Hayward CX900H Star-Clear Plus Knob O-Ring delivers the reliable, leak-free seal pool service contractors need for professional filter maintenance. This precision-engineered replacement part ensures tight connections between the locking knob and filter head, preventing costly callbacks and maintaining system integrity on commercial and residential installations.

Professional Service Benefits

Designed for pool service professionals, this corrosion-resistant rubber O-ring withstands harsh pool chemicals and UV exposure, reducing replacement frequency and service calls. Compatible with multiple Star-Clear Plus models (C751, C900, C1200, C1750, C1900), it streamlines inventory management for busy service routes and ensures you have the right part for various client systems.

Why Pool Professionals Choose MT Pools

MT Pools understands that small parts make big differences in service quality. Our superior customer service ensures you get genuine Hayward replacement parts with fast shipping, supporting your reputation for reliable pool maintenance and keeping your service operations running smoothly.

Frequently Asked Questions

Which Hayward Star-Clear Plus models use the CX900H O-ring?

The CX900H knob O-ring is compatible with Hayward Star-Clear Plus cartridge filter models C751, C900, C1200, C1750, and C1900.

How often should pool service contractors replace this O-ring?

Replace the knob O-ring when you notice leaks around the filter head or during routine filter maintenance. The durable rubber construction typically provides extended service life in normal pool conditions.

Does MT Pools stock bulk quantities for service companies?

Yes, MT Pools offers bulk pricing for pool service companies and contractors who need multiple replacement parts for their service routes and maintenance operations.

Order Your Replacement Parts Today

Keep your service operations running smoothly with genuine Hayward replacement parts from MT Pools. Our reliable inventory and fast shipping ensure you have the parts you need when you need them.

• Genuine Hayward replacement knob O-ring for Star-Clear Plus filters
• Compatible with models C751, C900, C1200, C1750, and C1900
• Durable, corrosion-resistant rubber construction
• Withstands pool chemicals and UV exposure
• Inside diameter: 13/16 inches, thickness: 1/8 inches
• Ensures leak-free seal between knob and filter head
• Lightweight design (0.02 lbs) for easy installation
• 6-month parts warranty coverage
• Prevents costly service callbacks
• Essential for professional filter maintenance