Pentair LA02L Old-Style Letro Booster Pump Impeller

Key Benefits + Booster Pump Fitment

• Old-style replacement impeller for compatible Pentair/Letro booster pump assemblies.
• Pentair manufacturer part number LA02L; Benchmark Shopify SKU AO2L.
• Pentair replacement-parts documentation identifies LA02L as the old-style impeller and LA05L as the new-style impeller.
• Designed for legacy booster-pump applications that specifically call for LA02L.
• Match the existing impeller and pump configuration before ordering because old-style and new-style impellers are different parts.

Quick Product Summary

The Pentair LA02L is an old-style replacement impeller used in compatible Pentair/Letro booster pump assemblies. Pentair identifies LA02L as the old-style impeller in its booster-pump replacement-parts catalog, while LA05L is listed separately as the new-style impeller. This part is intended for service situations where the existing booster pump specifically calls for LA02L, so confirming the pump configuration and original part number before ordering is important.

Best For

• Older Pentair/Letro booster pump repairs
• Replacing an existing impeller identified as LA02L
• Legacy booster-pump assemblies using the old-style impeller
• Service technicians matching pump parts by manufacturer part number

Why This Matters

• The impeller is a critical hydraulic component inside the booster pump.
• Using the correct old-style impeller helps maintain the pump's intended internal configuration.
• LA02L and LA05L are separate Pentair impeller designs, so part-number verification helps avoid ordering the wrong version.
• Replacing a worn or damaged impeller can address an internal pump component without automatically replacing the complete pump.

Common Signs You Need This / Use This When

• Your existing booster-pump impeller is damaged, cracked, worn, or otherwise no longer serviceable.
• Your Pentair/Letro booster pump parts information calls for LA02L.
• You are rebuilding an older booster pump that uses the old-style impeller.
• You need to distinguish the legacy LA02L impeller from the newer LA05L version.

Product Specifications

Compatibility / Fitment Notes

Pentair replacement-parts documentation lists LA02L as the old-style booster-pump impeller and LA05L as the new-style impeller. Use LA02L only when the existing pump configuration or parts information calls for the old-style impeller. Confirm the pump model, existing impeller, and manufacturer part number before ordering; do not substitute LA05L based on appearance alone.

Installation / Use Notes

Confirm the pump is fully powered off and depressurized before service. Compare the removed impeller and pump configuration with LA02L before installation, and inspect related sealing components during pump service. Follow Pentair service documentation and use a qualified pool professional when you are unsure of pump disassembly, reassembly, or pressure-system service.

Buy with Confidence

Benchmark Pool Supply helps customers identify hard-to-match pool pump parts by manufacturer number, equipment family, and replacement style. For this legacy booster-pump impeller, verifying LA02L and confirming that the pump uses the old-style configuration can help avoid ordering the newer LA05L version by mistake.

Frequently Asked Questions

What is the Pentair LA02L?

LA02L is an old-style replacement impeller listed by Pentair for compatible booster pump assemblies.

Is LA02L the same as LA05L?

No. Pentair lists LA02L as the old-style impeller and LA05L as the new-style impeller. Confirm which version your pump requires before ordering.

What pump is the LA02L impeller used with?

It is used in compatible older Pentair/Letro booster pump applications that specifically call for manufacturer part number LA02L.

What should I verify before ordering LA02L?

Confirm the pump model or parts information, the existing impeller configuration, and manufacturer part number LA02L. Do not rely on appearance alone when distinguishing old- and new-style versions.

When should a booster pump impeller be replaced?

Replacement may be appropriate when the existing impeller is cracked, damaged, worn, or otherwise no longer serviceable. Inspect the complete pump and related sealing components during service.