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Old 03-26-2021, 04:19 PM   #1
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2021 Vienna


I am new to RV. received 2021 Vienna 25RML 5 days ago. Does anyone know if it has built-in surge protector? If not, is it worth to install one? Thanks very much in advance.

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Old 03-27-2021, 05:27 AM   #2
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Probably doesnít have one if i isnít listed in the features - look at the transfer switch and youíll be able to figure it out. Or ask the dealer since itís new. Everyone here will tell you itís a mush have and there are many stories about power issues p, both low and high in various rv parks. I donít worry about it but itís cheap insurance for your electronics. Low voltage is another potential issue.
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Old 03-27-2021, 02:07 PM   #3
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Thanks, Wold, for your reply. I asked the dealer and the anwser was not sure. But I opened the cover in the bathroom today and found that the Vienna comes with a built-in surge guider. It is Southwire 4130, a basic one, maybe not protect low voltage. not sure if I should replace it with a better one. But it is relatively easy to DIY. Thanks again.
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Old 04-12-2023, 04:15 PM   #4
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It does have a built-in surge protector, though I imagine like everything its a fortune to replace, use an external one as they are much less to replace.
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Old 04-13-2023, 07:41 AM   #5
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Originally Posted by Peter Andrew View Post
It does have a built-in surge protector, though I imagine like everything its a fortune to replace, use an external one as they are much less to replace.
I asked my factory rep about using an external with the built in, he did not recommend it as they could interfere with each otherÖ?

I did just have a low power situation this last trip (over Easter) where on a 30AMP I was not getting but 4-5 AMPS. They checked the outlet and found two loose connections. Once tightened I was able to get near 25AMPS so, yeah things happen!
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