Independent Supplier & Replacement Part Notice
We are an independent parts supplier and are not affiliated with, sponsored by, or endorsed by Watkins, Hot Spring, Caldera, Tiger River, or Solana. These names and their part numbers are used only to identify compatibility.
We offer replacement parts as alternatives to spa-branded parts. When this listing identifies a part as the same original-manufacturer replacement, it is supplied under the component manufacturer’s branding and part number, which may differ from the Watkins or spa-brand label and number. Other compatible alternatives are identified in the individual product listing. Please review the listed specifications, fitment details, and any installation differences before ordering.
This Kit is an O-Ring that is a square style for a Piranha pump and (2) 2 5/8" C to C for the pump unions found on Jacuzzi, Sundance, Hotspring and other brands as well...
Part Type Square Ring
O Reference Number O-464
Inside Diameter 6"id
Outside Diameter 6-1/4"od
Cross Section 1/8"
| Part Type | Square Ring |
| Cross Section | 1/8" |
| Inside Diameter | 6"id |
| Outside Diameter | 6-1/4"od |
The (2) O-Rings are 2 5/8" center to center and fits some unions but most unions are 2 1/2" center to center... Do not buy this O-Ring until you verify that you have a 2 5/8" Center to center groove in your union for this O-Ring to fit into..