The Progressive Dynamics # PD4590CSV is designed as a replacement for the Progressive Dynamics RV Power Control Center # PD4590K18LS8. It is not made as a replacement for the WFCO 9990, and unfortunately we do not offer a converter section that will be compatible. Your best bet will be to replace the entire distribution panel with the Progressive Dynamics # PD4590K18LS8 which has a 90 amp converter and charge wizard. view full answer...
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