Pentair Sta-Rite 3/4" MPT Taped Pipe Plug for Posi-Flo II Filters | WC78-38TZ

Pentair Sta-Rite 3/4" MPT Taped Pipe Plug for Posi-Flo II Filters | WC78-38TZ

OEM Pentair Sta-Rite 3/4" MPT taped pipe plug for Posi-Flo II PTM50, PTM70, PTM100, and PTM135 cartridge filters.

Features

• Genuine Pentair Sta-Rite replacement pipe plug.
• 3/4" MPT / NPT threaded size for correct filter-port matching.
• Fits Posi-Flo II PTM50, PTM70, PTM100, and PTM135 models.
• Direct OEM replacement for leaking, missing, or damaged original plugs.
• Built for model-specific filter service instead of generic plumbing substitution.

Description

The Pentair Sta-Rite WC78-38TZ taped pipe plug is a model-specific replacement part for Posi-Flo II cartridge filters. It is built for the original 3/4" threaded filter-port application, which means exact fit matters more than anything else. When the original plug is worn or leaking, replacing it with the correct OEM Pentair Sta-Rite part is the right fix.

Pro Tip

Inspect the threaded port before installing a new plug. If the housing threads are damaged, replacing the plug alone will not solve the leak.

Installation Tips

Shut the system down fully and relieve all pressure before service. Confirm the exact filter model before ordering, clean the threads carefully, and tighten only enough to seat the plug securely without damaging the port.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.