Pentair | 190030Z | Cap Plug for FNS Plus Filter
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The Pentair 190030Z cap plug is a replacement drain cap designed for Pentair pool and spa filtration systems including FNS Plus, Quad D.E., and Clean & Clear Plus filters. This 1.5-inch NPT threaded cap installs in the filter drain port to seal the outlet and prevent water leakage during normal operation. It allows quick removal when draining the filter tank for maintenance or winterization.
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Key Features
• Replacement drain cap plug designed for Pentair FNS Plus, Quad D.E., and Clean & Clear Plus filter systems.
• 1.5-inch NPT threaded design fits standard female drain ports on compatible Pentair filter tanks.
• Creates a watertight seal to prevent leaks and maintain proper filtration pressure.
• Durable chemical-resistant polymer construction withstands pool chemicals and outdoor conditions.
• Twist-in installation allows quick removal for draining the filter during maintenance or winterization.
• Compatible with FNSP24, FNSP36, FNSP48, and FNSP60 filter models and Clean & Clear Plus cartridge filters.
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Product Overview
The Pentair 190030Z cap plug is used to seal the drain outlet at the base of Pentair FNS Plus, Quad D.E., and Clean & Clear Plus filtration systems. Installed in the drain port, the cap prevents water from escaping while the filter operates under pressure.
During maintenance or seasonal servicing, the cap can be removed to allow water to drain from the filter tank. The threaded design ensures a secure connection while allowing easy removal when needed. Replacing a worn or damaged drain cap helps restore leak-free operation and ensures reliable drainage and sealing for Pentair pool filtration systems.