Humidifier service call . Defective solenoid. Aftermarket part does not have same bracket or tubing adapter . I disassembled solenoid to verify there was no blockage in the solenoid . This humidifier has a screen inline and no blockage , solenoid will not close when power is removed . Small amount of armour flex insulation had been ripped away from copper line set at termination of the wall . Added insulation and sealed hole with black caulking .