I am not a pool professional although I do a lot of the care for my inground spa. It is about 1100 gallons and has an integrated water fall feature. It is a salt system spa with Pentair equipment. I am trying to figure out how to handle the winter weather. We have had early freezing temps beginning last night here in colorado. As I was not sure what to do and it was a weekend(no spa guys in CO work on the weekend), I just turned left the spa and water feature turned on continuously for now--and will suck up the utility bills. There are separate pumps for the water feature and the spa as far as I can tell. The spa has two pumps--one for normal use and a second "super pump" for when we want more forceful therapeutic effect. We definitely want to use the spa all winter long. I am trying to figure out if I need to turn off the water feature and the "super pump" and winterize them- as well as how to handle the rest for all-winter use. The company that built the spa has been totally non-responsive since they got paid.