Knowing that the last owner was a preacher, you'd think there'd be more honesty in the transaction, but whatever. Maybe the fact that they never updated their current address with their customers or the churches they belong to is a "blessing" in disguise. If I just cashed all the tithing checks that STILL come in my mailbox all the time instead of returning to sender I'd probably break even. Praise God! err, "Jehovah" I believe it was...
It's difficult enough to go back after sellers when a proven undisclosed defect is covered - say, fire damage hidden behind drywall - you're dealing with a situation that you could have uncovered before you purchased the home, and you can't really prove that the sellers knew the heater was broken and knew about the leak when they sold you the home.
By the way, Brent, just because the air-conditioning unit in a home is out of order doesn't mean that it's not an air-conditioned building. I'm with Solano on this; had the pool been empty at the time, we would still call it a pool. If it is equipped with a heater, functioning or not, it is still a heated pool.
My advice is to bring your disclosure docs to a real estate attorney and have a consultation. If he/she can prove the seller lied on these documents in court, you'll be in great shape.
HOWEVER, someone from the pool store piped up earlier this summer (when we were opening the pool) about how that heater was broken when the last owners bought the house, apparently the pool was not winterized properly and the ice expanded and cracked the manifold in the heater. The pool store said they tried to have the manifold welded but that didn't work. Supposedly, according to the pool store the last owners negotiated this into the purchase of the house when they bought it and never got it fixed.
At the time we looked at the house, the heater was not hooked up, therefore, the house inspector did not inspect it.