Product Overview

The Pentair TR100/TA100D Sand Filter Lateral (152202Z) is a genuine replacement lateral designed to restore proper filtration performance in compatible Pentair sand filters. Laterals sit at the bottom of the filter and help evenly collect filtered water while keeping sand media where it belongs. Replacing cracked or broken laterals can resolve issues like sand returning to the pool and poor filtration.

Ideal For

• Replacing a cracked, broken, or clogged lateral in a sand filter

• Fixing problems like sand blowing back into the pool

• Restoring proper flow and filtration efficiency

• Maintenance repairs on compatible Pentair TR100 / TA100D sand filters

Key Features

• Genuine Pentair replacement part

• Designed for TR100 and TA100D sand filter compatibility

• Helps prevent filter sand from entering return lines

• Supports even water collection and consistent filtration performance

• Item / MPN: 152202Z

Benefits

• Improves filtration: Restores proper internal water distribution and collection.

• Stops sand return: A damaged lateral is a common cause of sand entering the pool—replacement helps correct it.

• Protects equipment: Proper internal function supports steady flow and reduces strain on the system.

• Extends filter life: Replacing internal components can delay full filter replacement.

Installation Notes

• Turn off pump power and relieve filter pressure before servicing.

• Drain the filter and remove sand as needed to access the lateral assembly.

• Inspect the hub/manifold and other laterals—if one is cracked, others may be worn too.

• Refill with the correct filter sand amount/type per manufacturer specs.

• Ensure all components are seated properly to avoid bypass and sand leakage.

Tip: If you’re seeing sand in the pool, also inspect the standpipe, hub/manifold, and multiport valve spider gasket.

What’s Included

• 1 x Pentair Sand Filter Lateral

• Item / MPN: 152202Z

Customer-Facing Q&A

Q: What does a sand filter lateral do?
A: Laterals collect filtered water at the bottom of the filter and keep sand media inside the tank while allowing clean water to return to the pool.

Q: How do I know if my lateral is broken?
A: Common signs include sand returning to the pool, reduced filtration performance, or visible cracks/breaks when inspected.

Q: Will this fit my Pentair sand filter?
A: This lateral is intended for Pentair TR100 and TA100D models. Always confirm using your filter’s parts diagram and model number.

Q: Do I need to replace all laterals at once?
A: Not always, but if one has failed, others may be brittle from age. Many owners replace the full set during a rebuild to avoid repeat tear-downs.

Q: Is installation difficult?
A: It can require removing sand to access the lateral hub. If you’re comfortable working with filter internals and media, it’s doable; otherwise, a pool pro can help.