Hi,
I want to replace my old single speed pump with a 2 speed pump, but I'm having a hard time figuring out which pump to get. any help would be appreciated.
Here are my specifics:
- Pool size: 20x40 (approx 34,500 gal)
- Plumbing: 1.5" PVC lines
- Filter: Hayward S-240 sand filter (designed...