Home / Forums / Melodica construction, repair and maintenance / Broken Spit Valve / Reply To: Broken Spit Valve Reply To: Broken Spit Valve April 8, 2016 at 2:09 pm #7038 Alan BrintonParticipant Have you tried putting duct tape or electrical tape on the inside of the cover? Are we talking about the rubber flap mechanism, which is what’s on both of my Piano 32s?