The Pentair 154641 buttress thread closure kit is a replacement filter lid assembly designed for Triton II pool and spa sand filter systems. This 6-inch threaded closure installs on the filter dome to provide a secure seal that maintains proper filtration pressure and prevents water leakage. The kit includes the closure dome and related components needed to restore safe and reliable filter operation.

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Key Features

• Replacement 6-inch buttress thread closure kit designed for compatible Pentair Triton II sand filter systems.
• Provides a secure seal at the filter dome opening to maintain proper filtration pressure and prevent leaks.
• Compatible with Triton II filter models including TR100 and TR140 pool and spa sand filters.
• Complete kit typically includes the closure dome, air bleed assembly, pressure gauge, O-ring, and lid wrench.
• Buttress thread design ensures strong engagement with the filter tank for safe and reliable sealing.
• Durable molded construction withstands filtration pressure, pool chemicals, and outdoor equipment environments.

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Product Overview

The Pentair 154641 Triton II buttress thread closure kit serves as the access lid assembly for Triton II sand filter tanks. Installed on the filter dome opening, the closure provides the sealed entry point used when accessing the interior of the filter for sand replacement, inspection, or maintenance.

The 6-inch buttress thread design allows the closure to engage securely with the filter tank while maintaining the pressure required for effective filtration. The included sealing components help ensure leak-free operation and reliable performance. This kit is commonly used with Triton II TR100 and TR140 sand filters, restoring proper tank sealing and safe service access when the original closure assembly becomes worn or damaged.