PENTAIR ORING 12" FMY NATILUS - 174704

SKU: 174704
Regular price $19.90

Available for pickup at

  • MT Pool Distributor Broward (2) in stock
  • MT Pool Distributor Corporate (15) in stock
  • MT Pool Distributor North (17) in stock
In stock

The Pentair 174704 Tank O-Ring is a critical OEM component that pool service and construction professionals rely on for maintaining leak-free filter operations. This 12-inch high-quality rubber O-ring ensures perfect sealing for Pentair Nautilus, Star, and Mytilus filter systems, preventing costly callbacks and maintaining your professional reputation.

Professional Service Benefits

Engineered to withstand harsh chemical exposure and environmental conditions, this OEM-quality O-ring reduces maintenance frequency and eliminates premature seal failures. Pool contractors trust this genuine Pentair part for its proven durability and precise fit, ensuring efficient filter operation and customer satisfaction on every service call.

Why Pool Professionals Choose MT Pools

As your trusted B2B partner, MT Pools provides genuine OEM parts with superior customer service that keeps your business running smoothly. Our wholesale pricing supports your profit margins while our reliable inventory ensures you have the right parts when you need them most.

Frequently Asked Questions

Which Pentair filter models use the 174704 O-ring?

The 174704 O-ring fits Pentair Nautilus models, PacFab Star & Mytilus filter tanks, and Star Polymeric D.E. filters with 12-1/32 inch diameter tanks.

What are the exact dimensions of this O-ring?

The 174704 has a 12-inch nominal inside diameter, 12.88-inch outside diameter, and 7/16-inch cross section for precise tank sealing.

Is this an OEM or aftermarket replacement part?

This is a genuine OEM Pentair part (174704) that meets original manufacturer standards for performance and durability in professional applications.

Does MT Pools stock replacement parts for bulk orders?

Yes, MT Pools maintains reliable inventory of genuine OEM parts with bulk pricing available for pool service companies and contractors.

Order Your OEM Parts Today

Keep your filter maintenance efficient and profitable with genuine Pentair OEM parts from MT Pools. Our expert team provides the technical support and fast shipping that pool professionals depend on.

• Genuine OEM Pentair part #174704 for guaranteed fit and performance
• 12-inch nominal inside diameter with 12.88-inch outside diameter
• 7/16-inch cross section for optimal sealing
• High-quality rubber construction resists chemical degradation
• Compatible with Pentair Nautilus, Star, and Mytilus filter models
• Fits Star Polymeric and Star Pool D.E. filters with 12-1/32" tanks
• Engineered to withstand harsh pool chemical environments
• Prevents leaks and maintains optimal filter performance
• Cross-references: O-99P, PAC0512884, 90-423-1098, APCO2384
• Reduces maintenance callbacks and service issues