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What Converter will Work as a Replacement for My Parallax Series 500 Model 555 with 55 Amps?  

Updated 11/17/2025 | Published 12/01/2024

Question:

I have parallax series 500 model 555 power center 55 amp.It quit working what are my options for a replacement.its for a 2003 Montana. Thanks

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Expert Reply:

Hello Keith. I am very sorry that your converter has decided to quit working. To replace your Parallax 555 you want the Progressive Dynamics 4500 Series RV Converter w/ Charge Wizard and AC/DC Distribution Panel - 60 Amp # PD4560K18LS8. I have a included a review video, and an installation video for you to check out.

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Kate F
Kate F. profile picture

Kate F.

11/17/2025

Hey Keith, how did the Progressive Dynamics 4500 Series converter work out as a replacement for your Parallax 555 in the Montana? Your update could make it easier for the next person facing the same issue.

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