Power Distribution and Energy Management Power Distribution Automatic Energy Selector Switch 00-00714-000 Fuse Block (Flush Mount) 00-00884-000 Radio Switch Control 00-00189-000 Transfer Switches 50 Amp Transfer Switch Single Input 00-00803-300 50 Amp Transfer Switch Dual Input 00-00803-400 50 Amp Transfer Switch Delay 00-00638-000 Energy Management Systems 2004 PowerLine Smart EMS 00-00911-000 2004 50 Amp Smart EMS Upgrade Kit 00-00894-XYZ Smart EMS Display Panel 00-00903-XYZ Cross Reference for EMS Systems to Replacement EMS Part Numbers The table provides the cross-reference information from previous EMS models and allow you to define the part numbers required to update to a current production EMS. Cross Reference for Obsolete EMS Document Electronic Climate Control Electronic Climate Control Master 00-00591-XYZ RV IPX ECC Master 00-00855-000 RV IPX ECC Thermostat 00-00856-000