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The Pentair LA39534 is the OEM replacement volute with integrated 3/4" drain plug for the Letro booster pump — the new-style housing that directs pressurized water flow from the impeller to the discharge port of your booster pump system.
| Pentair Part Number | LA39534 |
| Drain Plug Size | 3/4" |
| Version | New Style (after 1996) |
| Quantity Included | 1 |
This is the new-style volute, applicable to Letro booster pumps manufactured after 1996. Before ordering, confirm whether your pump is the pre- or post-1996 version — the volute housings are not interchangeable. Check the date code or model label on your existing pump housing to verify. Match the part number on your original volute before adding to cart.