Can a different model of the WFCO converter be installed?

mickietucs · November 2024

I have a 2016 320 with a WFCO Ultra III Power Center (Model WF-8735P and WF-8740P-on the manual) and wondered if a WFCO 8955 PEC converter could be installed in its place (from a 2020 unit)? Thanks.

Grumpy_G · November 2024

The 89xx series is physically much larger than the 87xx models and the actual converters are different too.
What problem are you trying to solve ?

mickietucs · November 2024

Thanks @Grumpy_G -- not sure I need a new one yet. Last time camping with full hookups the converter fan did a weird revving noise (never heard before). I looked it up and it said to check the batteries. When I took the trailer back to storage, I added distilled water to the batteries and cleaned the terminals. Will be taking it out next week and hope the sound doesn't come back - hoping it's not failing (2016 unit so 8 years old).

rfuss928 · November 2024

If your batteries were low the converter would have switched to full charging output and high fan speed. Probably normal operation.
But... if you need a converter, complete replacement internals are available for very reasonable cost.
https://www.amazon.com/Converter-Lead-Acid-Compatible-WF-8735-AD-WF-8735-P/dp/B0CYPNC9HR/ref=pd_ybh_a_d_sccl_32/138-0398165-2849729?pd_rd_w=jjlHV&content-id=amzn1.sym.67f8cf21-ade4-4299-b433-69e404eeecf1&pf_rd_p=67f8cf21-ade4-4299-b433-69e404eeecf1&pf_rd_r=D9R09M9E3CX04X41T6P7&pd_rd_wg=m6Jz8&pd_rd_r=fa2ac8e0-6ed6-4c1d-984d-5d295b76f3a1&pd_rd_i=B0CYPNC9HR&psc=1

Grumpy_G · November 2024

The converter fan in my trailer (2015) sometimes makes weird noises too. It's just a simple 12V computer fan and if it gets too annoying it's easy to swap.

mickietucs · November 2024

Thanks @rfuss928 and @Grumpy_G --- I'll monitor it next week but good to have both thoughts on the issue.

Can a different model of the WFCO converter be installed?

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