Valve is on inlet side of circ pump on Tiger River Spas. There is a flow direction printed on the valve to make sure the direction of water flow goes the right way. Valve is 3 oz.
The Endless Pool models that this check valve is used on are the following:
| Make | Model | Date Range |
| Endless Pools | E2000-58 | 2017-Current |
| Endless Pools | E500-52 | 2016-Current |
| Endless Pools | E500-58 | 2016-Current |
| Endless Pools | E700-52 | 2016-Current |
| Endless Pools | E700-58 | 2016-Current |
| Endless Pools | X200-50 | 2016-Current |
| Endless Pools | X500-50 | 2016-Current |
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