Hayward Jacks 1oz Multilube Lube (SPX0327) gshop A volute like this is

A volute like this is useful because it restores the main wet-end housing section while preserving important sizing and frame-specific compatibility details within the EX2 line

Designed for 325 square foot compatible applications

3A rating for higher demand

10-key configuration

and this generic version is sized with a 31-1/2 inch inside diameter and 5/16 inch cross-section using the O-105 reference

Hayward Jacks 1oz Multilube Lube (SPX0327) gshop A volute like this isThe Hayward Jacks Multilube lubricant is designed for compatible pool and spa service applications where seals, O rings, and related components need lubrication during maintenance. A lubricant is useful because it helps reduce friction, support smoother assembly, and protect sealing surfaces during installation or routine service. This product is especially useful when replacing O rings, gaskets, lids, unions, and valve parts that benefit from proper