XT 172855 Air Bleeder Screen Cap – Direct Replacement for Pentair FNS/Nautilus D.E. Filters

XT 172855 Air Bleeder Screen Cap: Direct Replacement for Pentair D.E. Filters

The XT 172855 air bleeder screen cap is designed as a direct replacement for Pentair D.E. filters used in pool and spa systems. It supports compatible models such as Pentair Clean & Clear Plus, EasyClean D.E., and Quad D.E. filters, streamlining maintenance when a cap needs refreshing. This part is built to work with your existing plumbing and filter layout, making routine service smoother without major downtime.

Key features at a glance

• Durable rubber body with a high-precision screen that helps keep debris out of the valve tube
• Direct replacement with the same connection points as the original cap, reducing downtime
• Rugged construction designed to withstand typical pool and spa use

Why this cap matters in daily use

During filter service, the air bleeder cap supports steady airflow and protects plumbing from stray particles. Replacing a worn or dirty cap with the 172855 part helps maintain smooth operation and can contribute to easier cleaning cycles and fewer interruptions in filtration.

• Prevents small debris from entering the pipe thanks to a precise screen
• Protects the pipe and valve tube from wear during backwash cycles
• Supports a clean, efficient filtration process by reducing potential leak points

Installation and safety notes

Always power down the filter pump and fully relieve pressure before removal. Replace the cap after cleaning the plumbing, and wear gloves to protect your hands during the process. A straightforward swap with common hand tools is typically sufficient.

• Turn off the pump and relieve system pressure before starting
• Remove the old cap, install the new 172855 cap, and reseat the connections
• Inspect for leaks after startup and monitor performance during the first run

Additional details you might appreciate

The XT 172855 part is described as a 0.25-inch stainless steel air vent strainer replacement for pool and spa D.E. filters, emphasizing reliable venting and durable service life in typical pool environments. This replacement supports standard maintenance routines without overpromising results. If you have questions about compatibility with your Pentair setup, consult your equipment manual or a qualified technician.