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How To Select Correct WFCO Power Center On 30A Shore Hookup In 2016 Heartland RV ?  

Published 02/24/2026



Question:

I need to replace my RV power center with 30A shore hookup. How do I know which WFCO model will fit? Going in my 2016 heartland rv.

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Expert Reply:

Hey Kevin! With power centers, fitment matters just as much as amperage.

Here’s a quick breakdown on the cut-out that is required for a few popular models that work on 30A hookup:
- # WF46FR (40A – horizontal layout) Rough opening: 10-3/8" Width x 4-1/8" Depth x 7" Height
- # WF86FR (55A – horizontal layout) Rough opening: 12-3/16" wide x 11" tall.
- # WFC72GR (40A – vertical layout) Rough opening: 7-13/16" Width x 7-3/8" Depth x 11-5/16" Height

So before choosing based on charging capacity, measure the cutout in your cabinet wall. That usually determines which unit is an option without trimming or filling in too much.

Once we confirm fitment, we can dial in whether 40A or 55A makes more sense for your battery setup. What size battery bank are you running?

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Andrew N
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