Check the listing for details. Amerec AC Series Steam circuit board assembly. Condition: Used. Listed at 585.00 USD. Amerec AC7 / AC10 complete circuit board assembly for older style AC Series steam units. These circuit boards haven't been available from the manufacturer for many years. Inspected and thoroughly tested before being removed from a very seldom used working unit for a remodel improvement. In very good condition. See the pictures for visual confirmation. Thoroughly cleaned, tested again and working perfectly. It will be tested again and then carefully packaged before shipping. The original wiring was not removed from the circuit board connections to make the reinstallation of this board easier and less problematic. It is suggested that an experienced and competent service agent complete the installation of this board. It's not rocket science to complete but does take some care and patience. Original new cables, a used sensor and a used control are available for an additional amount. Please be sure this circuit board will work for you application as there is a no return policy on the item. Email with any questions or concerns.