A preliminary inspection found the open-closed Li through ยวาล์ว waste solutions, hot water tanks, cause the flowing hot water temperature. To edit. -Change the valve open-closed Li solutions through a new ยวาล์ว 1 PCs.
Scan showed tongue - off solenoid valve, the waste water flowing into the bucket of cold water, hot water temperature can not be resolved. - Replace valves - closed solenoid valve, the new one-piece.
Check valve basic found on-off solenoid valve was broken so hot water flowing into the water cooling the temperature hot water not editing - change valve on-off solenoid valve 1 new pieces.