230Volt MaxFlow 500 VSP
https://hayward-pool-assets.com/assets/documents/pools/pdf/literature/DLITMFVS50019-maxflo-vs-sell-sheet-update-062019.pdf
aside from the heater issue the pool has 4 returns 2 have a strong output, 1 has very minimal and 1 has none. Which is why I was thinking the pump...