Kegerator is a residential draft (draught) beer dispensing device. A keg, typically of beer, is stored in a refrigerated container in order to keep the keg chilled. The user is able to maintain a tapped keg in such a device for extended periods of time, usually a couple of months, without losing any quality in the taste of the beer. A kegerator may be purchased in its finished form or built from a re-purposed refrigerator or a freezer with special equipment.
Parts of a Kegerator
- CO2 tank
- Beer & Air Line
- Drip Tray
- Faucet Handle
One crucial part of a kegerator is a coupler. Beverage dispensing devices, such as the kegerator, have many standards for couplers:
- System D (US Sankey) - Standard for American beer
- System S (European Sankey) - Common for European beer
- System U - Used for stout and ale by a few breweries in UK/Ireland (Guinness)
- System G - Used by some breweries in UK/Ireland. (Also used in the US by Anchor Brewing).
- System A - Chiefly used by breweries in Germany.
- System M - Used by some German breweries (Schneider)
- Pin and ball lock home brew keg taps - Designed to work with Cornelius kegs.
The D, S, U and G couplers are secured by twisting them in place (like a screw). The A-coupler is often referred to as a "slide coupler", because unlike the other couplers it slides in place and can be secured at any angle. (The M-coupler is also a slide coupler).
Kegerator Economics 
A kegerator has cost benefits that make it a viable choice over the purchase of smaller cases, such as the typical 6-pack or 12-pack. Generally speaking, kegerators save costs because of their natural connection with business theories on bulk sales, as well as their savings on packaging smaller cases of beer. Since a keg typically stores large amounts of cold beer, many kegerators have been known to save up to 60% on costs when compared to the same amount of volume in cans and bottles. Depending on the brand of beer, cost savings can be even greater. Therefore, more specialized craft beers can often provide significantly higher savings than common brands like Budweiser.
Kegerator Conversion Kit 
Typically, a person will purchase a used refrigerator (from a yard sale, classifieds, etc.) and use a kegerator conversion kit to turn it into a beer dispensing kegerator. One advantage of using full kegerators for home draught beer dispensing is that they can often hold more than one keg. This is the case when using slim kegs or pony kegs. Kegerator kits are also much cheaper and more economical than purchasing a pre-existing kegerator.
Kegerator Kits can create either door-mounted or tower conversion types. Typically, they are easy to install and include all necessary equipment and instructions. A few rudimentary tools, such as a socket wrench set and a drill with wide bits, are needed to modify the fridge. The CO2 tank needed for beer dispensing can sit either inside the fridge, or somewhere near/around it.
See also 
- Kegerator - How to build a kegerator - Make a Kegerator
- Beer Brand - Keg Tap Listing
- How to Build a Kegerator
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