OEM Pentair Black Buttress Threaded Closure Kit 154856 is a complete replacement assembly for Triton II sand filters, designed to deliver a secure and watertight seal for the filter lid. This 8.5-inch diameter closure kit includes all essential components: a black closure lid, air relief valve, PSI gauge, lock nut, lid O-ring, and lid wrench. Built from high-quality materials, it supports reliable system performance by preventing leaks and ensuring balanced pressure. This OEM kit is vital for restoring or maintaining the operational integrity and longevity of your filtration system.

• Full OEM Replacement Kit: Includes 8.5-inch closure lid, air relief valve, PSI gauge, lock nut, lid O-ring, and lid wrench, covering all sealing and pressure monitoring components.

• Leak-Proof Filter Operation: Ensures a tight seal on Triton II filters to prevent pressure loss, water leakage, and inefficiency during filtration cycles.

• Durability Under Pressure: Constructed from strong, chemical-resistant materials built to handle high-pressure pool system conditions over extended use.

• Maintains Filter Longevity: Helps preserve the filter systemÕs performance and lifespan by maintaining pressure stability and preventing operational faults.

• Designed for Triton II Filters: Precision-fit OEM kit engineered to match Triton II specifications, ensuring seamless compatibility and straightforward installation.

• (1)ÊBlack Closure Lid
• (1) Lid Wrench
• (1)ÊAir Relief Valve
• (1)ÊPSI Gauge
• (1) Lock NutÊ
• (1)ÊLid O-Ring

• Pentair Triton II Filters

Note: This closure kit may be compatible with you filter, please refer to your systems owners manual to ensure compatibility.

Need a replacement for your Triton II sand filter lid? This section explains how the 154856 closure kit helps walk-in customers replace the full assembly with the right seal and tools from the store.

Walk-In Fitment and Complete Kit Contents

Everything you need when replacing your filter lid in store.

Can I walk in and buy the 154856 closure kit with a PSI gauge and O-ring?

How big is the black lid in this in-store replacement kit?

Does the kit come with the air valve and lock nut included?

Getting a Leak-Proof Seal After Replacement

Avoid pressure issues and leaks with correct in-store installation.

Why does my filter lid still leak after replacing with the 154856 kit?

Do I need to lubricate the O-ring on the black lid from this kit?

How tight should I turn the closure with the included wrench?

Store Compatibility and Support

Find what you need locally for your Triton II.

Will this 8-1/2 inch black closure fit a TR100 Triton II from your store?

Can I get replacement gauges or O-rings if mine wear out?

Do you carry additional wrenches or valves separately in store?