He said: "I am glad it is all sorted out. I don't really want to leave but it's a shambles because of the mess the club is in. It's like a slow death.
"I've got to think of myself - it just happens to be Hull. I am looking forward to getting started."
However, the Northern Irish goalkeeper will have to wait to pull on the Tigers' number 1 jersey. York come to the KC Stadium on Saturday, and under the terms of the deal the 31-year-old will not start the match. Instead, he will begin to challenge Paul Musselwhite for the goalkeeper's shirt when City take on Southend in two weeks.
Meanwhile, Peter Taylor remains on the lookout for a new forward. A loan deal for QPR's Andy Thomson - who failed the medical to sign a permanent deal - may be possible, but is not thought to be the only target.