I'm no expert on the installation of those systems only on how mine operates. When dealing with these systems they have to be installed correctly with the correct parts or you might run into some issues. Even SMB made mistakes on mine because they had limited knowledge on them being the Espar products were new to them at the time. Not saying you can't mix & match different brands but at the cost of these things I'd be very cautious.
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2006 Ford 6.0PSD EB-50/E-PH SMB 4X4 Rock Crawler Trailer