We use fixtures and templates to make sure the holes are in the same place every time but you can use the fan body to mark and drill the holes in your housing.
Tower cooling fan kegerator.
Start by drilling your fan mounting holes.
If you are not the diy type you can just buy a tower cooling fan here owners of a kegerator with a draft tower whether your beer dispenser is commercially made or a kit conversion you can add some cooling power by modifying the tower with a cpu cooling fan.
Coldtower is the only kegerator tower cooler that uses a blower specifically designed to blow a stream of high velocity air into an enclosed area.
The kegerator tower cooling kit is the best investment that you can buy if you have a kegerator.
Larger diameter hoses like those used in economy tower coolers restrict the flow of return air into the kegerator resulting in inefficient cooling of the tower.
You will build a small fan and enclosure using a computer cpu cooling fan enclosed in a small plastic box with a hole cut to allow cold air to be sucked in and pushed out through a hose inserted through another hole in the plastic box.
To summarize the project.
Blast cold air up into your beer tower and eliminate foam and first pour warm beer.
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The hose will carry the cold air from the bottom of your kegerator up into the tower.
They cool your beer tower eliminating excess foam and making even the first beer of the day ice cold.
Coldtower kegerator tower coolers are the all around best tower coolers you can buy.
The holes should be 1 8 if you plan to use 1 8 rivets to mount your cooling fan or 3 16 if you plan to use 6x32 screws.