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OFFICIAL DISCLAIMER: This post is to document what I did for installing a full-size, utility chest toolbox with factory-installed AC prep connections. Depending on what LG model you have and how yours was built, please make the necessary adjustments from this post to suit your particular setup. The intent of this post is to give folks here some ideas of how you can get around some issues if you happen to have the ClimateRight AC and AC prep installed from LG Factory, and you also want to install a full-size, utility chest toolbox for additional storage. If you perform anything to your own LG using this post, neither I, Little Guy, Tractor Supply Company, ClimateRight, nor this site's Moderators can be held responsible for any damages incurred. This post is also not intended to serve as free publicity or advertisement for Valterra, Camco, or any products mentioned within thereof.
My lawyer made me wrote this!
The problems/issues I wanted to resolve for my LG:
After looking at various boxes from manufacturers like Tradesman, Delta, WeatherGuard, etc., I found the full-size, utility chest toolbox from Tractor Supply Company to be the right box for my mission. It is only 16” tall, whereas most of the others are at least 18” to 20” tall, which was a concern that they would obstruct the AC connections. The TSC box has a slanted bottom, which would allow me to mount the box further away from the LG than a straight box. Also, my understanding is that the TSC box is made by reputable manufacturers and rebranded as TSC. Mine is made by DeeZee (the owner’s manual that came with the TSC box actually says "DeeZee Owner's Manual").
The TSC box is well-constructed, sturdy, and you just simply can’t beat the price. Since I wasn’t looking for a contractor-grade, bullet-proof box, I am very happy with this purchase.
I first added a 3/4" plywood platform. Painted it with flat black, high temperature paint, weather-sealed it, and went over it with another coat of protective finish for good measure. The platform was installed with four, SS lag bolts, rubber washers, SS fender washers, and silicone caulk. The TSC box installed just as easily and similarly.
The photos show the box installed (as forward away from the LG as possible to allow maximum clearance to the AC connections). Please note that my LG has a custom, extended platform (24” deep) and not the standard platform (18” deep). So if you have the standard platform and decide to go with this setup, your clearance will be about 6” less than what you see in the photos.
The extra room I have in the back make a nice place to stow folded chairs/tables, and other miscellaneous items that don't need the sheltering of the box.