5Final Check1. Be certain that the bypass valve is in Service position and main valve is completely on.2. Check electrical supply to be certain the cord is connected to an uninterrupted 120 volt outlet.3. Leave this manual with the homeowner.IMPORTANT NOTE: The plumbing system, piping, pressure tank, hot water tanks, softeners, etc. that havebeen exposed to iron bearing water may need to be cleaned of the precipitated iron that has been collected inthem or iron bleed through may be a problem. We suggest all tanks be drained and flushed thoroughly.Annual MaintenanceAnnual replacement of the seal kit is required in all single tank air systems due to air drying of the seals over time.Potential performance issues will result if this maintenance interval is not performed. Any system problems associ-ated with this required system maintenance not being accomplished will not be covered by the factory warranty.AIO Plus Connected Series Installation Procedure