PENTAIR STRAINER O-RING LID - 35505-0421

SKU: 35505-0421
Regular price $78.94

The Pentair 35505-0421 O-Ring is an essential replacement component for pool contractors servicing Sta-Rite Cast Iron Suction Trap Assemblies in commercial pool and spa installations. This precision-engineered lid O-ring ensures reliable sealing for CSP/CSPH strainer pots, preventing costly downtime and maintaining optimal pump performance.

Commercial Service Benefits

Designed specifically for commercial applications including PKG No. 184, 184C, 184E, and 184CE pump assemblies, this O-ring reduces service callbacks and maintains professional installation standards. The 13-1/2" outer diameter and 3/8" thickness provide the exact specifications needed for proper sealing, ensuring your commercial pool systems operate efficiently.

Why Pool Contractors Choose MT Pools

With our superior customer service and daily recurring customer support, you get reliable access to critical replacement parts when you need them. Our wholesale pricing structure supports your service profit margins while our extensive inventory ensures you can complete repairs without delays.

Frequently Asked Questions

Which Sta-Rite pump models use the 35505-0421 O-Ring?

This O-ring fits Sta-Rite Cast Iron Suction Trap Assembly commercial pumps PKG No. 184, 184C, 184E, and 184CE, as well as CSP/CSPH strainer pots.

What are the exact dimensions of this O-ring?

The Pentair 35505-0421 measures 13-1/2" outer diameter, 12-3/4" inner diameter, and 3/8" thickness for precise commercial pump sealing.

Are there alternate part numbers for this O-ring?

Yes, alternate part numbers include 355050421, STA1018510, 35-102-2112, PEN35505-0421, and PEN355050421 for cross-referencing.

Does MT Pools stock replacement parts for commercial service calls?

Yes, MT Pools maintains extensive inventory of commercial pump parts with fast shipping to keep your service operations running smoothly.

Order Today

Keep your commercial pool service operations running efficiently with genuine Pentair replacement parts. Our team provides expert technical support and fast delivery for pool contractors nationwide.

• Genuine Pentair replacement O-ring for commercial applications
• 13-1/2" outer diameter, 12-3/4" inner diameter, 3/8" thickness
• Compatible with Sta-Rite Cast Iron Suction Trap Assembly pumps
• Fits PKG No. 184, 184C, 184E, and 184CE pump models
• Lid O-ring for Sta-Rite CSP/CSPH strainer pots
• Multiple alternate part numbers for easy cross-referencing
• Lightweight 0.4 lb shipping weight for cost-effective ordering
• UPC: 022315368996 for inventory management
• Precision-engineered for reliable commercial pump sealing
• Essential replacement part for pool service contractors