Anyone know what I should expect to pay for a replacement WF unit? Still need to give details, but likely need to replace 9 yo unit (5 yr. warranty...!). Says compressor is shot and likely caused other damage. Previous repairs include crack in hood tap tube?, new thermostat, water pressure adjustment, and DHW gaskets. Had to recently replace hot water heater, too (7yo). Current unit is Premier 2 ATV, size 070, hot water generation w/pump. May want to go up to a better model if ground tubing can carry it.