This is not available new. You may be able to get help from the original manufacturers here:- http://www.nrgmp.com/
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However, many people find they get no response from this web site/contact details.

We offer very limited repairs due to the design of these panels – we suggest you call us first. We do not offer a fixed price.
Due to the design of these product we are unable to fully test the system and therefore do not offer any warranty.