Welcome to our forum.
Do you have any clue where to start?
. Also, when she turns on the jets, there is only one speed. He said that there should be 2 speeds (hi and lo). Is it possible her husband ran the wiring wrong so only one speed is on? Is it possible some thing came loose in transit. She does see one hose not hooked to anything and no obvious place to hook it. Do you have any clue where to start?