This is actually what I do for a living. So here is my two cents....
#1- Call your insuarance company immediatly. Do not call the PA first, call the insurance company so they can get a mitigation service out to you and get the potential problems contained ASAP.
#2- If you want a PA, now is the time to call. More than likely you will have a deduction amount (Normally $1000 but the amount does vary) A PA is usually very good at nickle and diming an insurance company and will be able to probably save you most, if not all of your deductible. staeva is right that the insurance companies are out to make a profit, but the real profit is the house. Water damage becumes insanly more expensive day after day to fix. The insurance company wants the damage mitigated ASAP, as in yesterday because it saves them money.
From what you have described it sounds like a typical $8,000 to $10,000 job. It aint cheap.
Just in case your insurance will not cover the loss, and because it is a DIY site, here is how to fix the problem and not get mold or lose any further material due to rot.
1. Fix the water loss (I know- Duh)
2. Cut and remove all wet drywall. If just the bottom of the drywall got wet, cut two feet up from the bottom of the drywall to allow air to circulate. Throw out any insulation that got moisture. Mold loves drywall and isulation like a fat kid loves cake.
3. Remove your carpet and pad so you can get the sub floor dry. Since it was water from the supply line of your Jaquzzi and if you get to it within the first two or three days, the carpet can be saved. This would be considered "Clean" water.
4. Any floor that has a vapor barrior under it that got wet, has got to go. Laminate floor, Vinyl floor, etc.... The sub floor will not dry effectivly and you will get mold- quickly. and it will spread thru the house.
5. Set up the drying process. Do not, I repeat do not open the windows. It will not dry faster and all your doing is setting yourself up for other issues. Close and seal off the rooms that were affected, even with plastic tarps. The tighter you make the room the better.
6. Set up a dehumidifier (The bigger the better) and as many fans as you can possibly find. Set up the fans so as to create a tornado like effect in the room (Circular air pattern).
After a few days the rooms should be dry enough to start building it back.
Hopefully your insurance company got you a mitigation company to do all this for ya....