Pentair 355320 Clamp Band Assembly | Challenger & WaterFall Pumps

The OEM Pentair 355320 Clamp Band Assembly is a full replacement kit designed for Challenger high flow, high pressure, and WaterFall series pumps. This band clamp ensures a tight, leak-resistant seal around the pump housing to support pressure retention and pump performance. Constructed from stainless steel, the band offers strength and corrosion resistance, while the locking knob allows for secure, tool-free fastening. The assembly’s broad compatibility with multiple Pentair pump models makes it a vital component for restoring pump functionality and preventing water loss or system inefficiency.

Highlights

• Exact Fit Replacement: Specifically built for Pentair Challenger and WaterFall specialty pumps to restore OEM-level performance.

• Secures Pump Housing: Maintains structural seal integrity, preventing leaks and pressure loss during pump operation.

• Long-Lasting Durability: Stainless steel band resists corrosion and environmental damage over extended pool use.

• Quick Install Design: Includes locking knob for easy installation and removal without external tools.

• Wide Pump Compatibility: Suitable for multiple Pentair pump series, ideal for routine maintenance or part replacement.

Includes

• (1) Band Clamp
• (1) Locking Knob

Compatibility

• Pentair WaterFall Specialty Pumps
  
• Pentair Challenger High Flow Pumps
• Pentair Challenger High Pressure Pumps
  

Additional Info

Searching for the Pentair Clamp Band Assembly 355320 near you? This section guides local Wholesale Pool Mart customers through pump compatibility, install steps, and failure symptoms — so you can check stock and buy confidently.

Confirming the Clamp Works for Your Pump

Before you check pricing or availability at a nearby WPM location, make sure the 355320 clamp matches your Pentair pump model.

Which Pentair pump models near me use the 355320 clamp band?

Can I check if this part fits my Challenger high pressure system locally?

Do local shops stock this clamp for both WaterFall and Challenger pumps?

What serial number or model should I bring in to confirm fit?

Is this clamp used across different pump generations?

Installing the Clamp After Local Pickup

Once you’ve purchased your clamp from a nearby shop, these install tips will help ensure a clean, leak-free seal at home.

Will the locking knob thread easily onto my older pump after I buy this?

Do I need a torque wrench to install this on a Challenger high flow unit?

Can I reuse the old clamp’s knob if it’s still in good condition?

Are local staff able to show me a demo install if I ask?

Diagnosing Clamp Issues Before Purchase

This section helps customers spot early signs of clamp failure and make an informed decision before picking up a replacement in-store.

What symptoms suggest a loose or aging clamp band on my pool pump?

Can a small drip at the pump seam mean the clamp has failed?

How do I know if the knob isn’t holding tension properly?

Do you sell this clamp often for WaterFall pump leak issues?

Diagram