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Food for Thought - Rapids' Blog
|Summary||Step 1) Choose The Right Fridge||Step 2) Choose The Right Kegerator Conversion Kit||Step 3) Step by Step Put It Together||Step 4) Maintain Your System|
Rapids Kegerator Kit Installation Procedure
Scroll Below The Video For Step by Step Instructions on Converting Your Fridge To a Kegerator
Kegerator Installation How-To Video
In this video, I'll show you the quick install of my latest conversion. Below the video you will find more information and tips and tricks for your installation.
The Step By Step Instructions For Converting Your Refrigerator Into a Kegerator for Home Draft Beer!
Stripping Down the Refrigerator
Okay, now that you have your donor fridge in place, you need to make room inside to fit the keg. This means you’ll have to pull out all drawers and shelving to make space. In some cases you will be able to throw a shelf or two back in the fridge on the top after the install. But for starters you’ll want to remove everything to give you working space.
Some refrigerators are not flat on the bottom. If there is a drawer unit, be sure to pull it out and look behind it to see if the floor extends all the way to the back wall. If not, you may have to devise some sort of platform to fit the keg on. I used a milk crate and plywood to get over the hump in mine. Putting a sheet of plywood down on the bottom is recommended even if you do have a flat bottom. It will prevent the floor from getting too banged up from moving the kegs in and out. Who knows, maybe one day you’ll want to sell this bad boy . . . might as well keep it pretty!
UNPLUG the refrigerator! Soon you will be drilling into it. Save yourself from potential electrical shock and an embarrassing trip to the ER . . . or worse. Don’t be an idiot, UNPLUG THE FRIDGE!
Drill Baby, Drill!
|Drilling a 1 inch Hole in the Door for the Beer Shank|
The beer has to come out of the fridge. It does our bellies no good staying locked up inside. To get the beer outside, we gotta get through the door or a sidewall. I’ve built conversions each way, but I prefer going through the door. There is a risk of drilling through a coolant line if you drill through the side of the fridge. So if you DO decide to go through a sidewall, do yourself a favor and first drill a tiny hole through the outer aluminum skin only. Stick a toothpick or something in there to make sure the path is clear to drill all the way through to the interior panel with no obstructions.
Door mounting is a lot easier but can have its own set of smaller challenges. Some refrigerators may have in-door ice and water dispensers. Obviously, you’ll want to avoid drilling through those and any wiring that may support them. Locate a wiring diagram or schematics for your model and inspect it carefully before deciding where to place your faucet. Most fridges donated for this purpose are usually not that high tech.
Interior door shelving is another consideration. You will need to locate a faucet position that will not be obstructed on the inside by a door shelf. Find a location that provides the least distance to drill through. In my latest conversion, I did have to remove the door shelving entirely to provide enough room for a full size keg and cylinder within. It was a pretty narrow unit that wasn’t very deep. The one piece plastic molded shelving unit I removed also secured the door gasket, so I chose to attach the gasket with the sheet metal screws from the shelving and sealed it with a bead of silicone. Plastic trim pieces around the gasket in place of the removed shelving unit may be a better idea. Less mess anyway.
48 inches up from the floor is supposedly the ideal comfortable pouring height. That’s the target, but obviously your fridge design may cause you to stray a bit from that height. Another thing to keep in mind when you select your faucet position would be the faucet tap handle height.
The faucet knob that comes supplied with the Rapids kits is going to stand about three inches up from the faucet. Add another inch for the lever bonnet and collar on the faucet, and 1/2 inch for the radius of the hole you need to drill for the shank. That means if you use the small supplied tap handle it will stick up about 4-1/2 inches from your mark. Now look at your donor fridge. Does it have a freezer unit on top? See where this measurement becomes important? And did you have big plans to get an awesome ornate hand sculptedfaucet tap handle that sticks up 10 inches?
If you place your faucet too high, it may prevent you from being able to open the freezer door without running into the faucet tap handle. No frosty mugs for you! This is one of the reasons why elected to use a “side by side” donor fridge on my last conversion. With the freezer unit on the side of the fridge, I was able to place the faucet pretty much wherever I wanted. Another advantage to the side by side is more room top to bottom inside the fridge. I can place more shelving on top and I’m even considering stacking two pony’s with a keg stacker spacer for tapping and running another faucet!
Okay, now that you’ve settled on your faucet location that’s as close to 48 inches from the floor as it can be, but still will allow you to open the top freezer without a mess, you are going to want to mark it off and drill baby, drill. I’ve found that a 1inch hole saw with pilot bit works best to drill the hole (pictured above). Keep the pilot bit from sliding around by punching a divot in the door it can start on with a hammer and an awl.
Once you have created the hole and cleaned away any debris from the drilling process, it’s time to install the beer faucet shank. Slide the shank through the hole with the black plastic flange part on the outside of the door. On the inside of the door, you will attach the forged brass lock nut. If you have removed the inner door shelving panel on the door, you may want to consider putting up some sort of solid backing between the door insulation and the brass lock nut. If you try to tighten the lock nut to nothing but foam insulation, the faucet will likely just flop around on the door; a small piece of plywood or plastic works well for this purpose. Think of it as a really big washer. If you feel the need to further seal the door, you could run a bead of silicone around the shank in the door.
|Attaching Faucet to Shank|
With the beer shank secured in the door, the next step is to attach the beer faucet to the shank. There is a coupling nut on the shank that you will spin counter-clockwise with the faucet pressed up against it. Use a spanner wrench to snug it up, but be sure not to over tighten it. Periodically you will be removing the faucet to clean it. If you He-Man the thing on, you could be creating a future inconvenience. There are o-rings in the faucet to seal it from leaking.
On the top of the faucet you will attach the faucet knob or tap handle. If you get one of those fancy sculpted tap handles or maybe a branded tap handle, there is a neat little trick to make sure you have it front facing. What you do is spin the thing all the way down, then back it off until it is positioned the way you like it. Now if you spin the lever collar back to meet it, you can secure it in place facing forward.
|Faucet Parts Diagram|
Attaching the Beer Line
|Attaching Beer Line to Shank|
To the beer shank on the inside of the door, you will attach the beer line. Be sure to place the washer inside the hex nut end of the beer line before you do this. Failure to do so will likely result in a leak of both beer and CO2. Snug it up with a wrench.
The opposite end of the beer line will attach to your keg coupler. The keg coupler is the piece that you use to actually tap the keg. Again, make sure you put a washer between this connection and snug it up with a wrench. It is possible the beer line will be longer than what you need to connect the beer faucet to your keg, but DO NOT cut or alter the line. This particular length has been factored in the regulator set up that comes up a little later.
|Beer Line to Coupler|
Installing the Drip Tray (optional)
|Optional Drip Tray|
If your kit came with a drip tray, now would be an opportune time to install it before you put your drill away. Start by locating a distance about 12 inches below your beer faucet. 12 inches should be sufficient for resting a taller flute style beer glass. If you grab the drip tray holder and a bubble level, you can make a couple of marks on the door where the holes are on the holder for the screws. Save yourself frustration by punching a divot with your hammer and awl on those marks. With a smaller bit, drill through the metal exterior of your door. Grab the holder and the pair of sheet metal screws and secure it firmly to the door with a screwdriver.
The plastic drip tray fits on top of the holder and the grid platform goes right on the top of the tray. The drip tray is perfect for resting any glass of beer while or after pouring, but I would caution you, I have not attempted to rest a full sized solid glass pitcher full of beer on it, that might be a little too much. My smaller plastic pitcher did just fine. If you need the capability of holding a big glass pitcher, you might want to look at some of the more robustcommercial drip trays, or reinforce this one by running longer bolts with washers and fasteners on the inside of the door.
Attaching the CO2 Line
|Attaching CO2 Line|
Okay, now that the beer line is ready to go, we turn our attention towards pressurization. First, grab a hose clamp and put it over one end of the red CO2 line. Then slide the CO2 line over the gas nipple on the keg coupler. If the CO2 line is really hard and you can’t get it to slide up, you can soak the end in warm water for moment to loosen it up a bit. Once you get it all the way up on the nipple, slide the hose clamp over the CO2 line around the nipple and tighten firmly with a screwdriver.
|Attaching CO2 Line|
Next, grab another hose clamp and pop it over the opposite end of the CO2 line. Slide that end over the gas nipple that you find sticking out of the bottom of the CO2 regulator. Once you have it slid all the way up the nipple, position the hose clamp over the CO2 line around the nipple and tighten that one firmly with your screwdriver. It’s important that the hose is all the way up the gas nipples and clamps are very secure to prevent gas leaks.
Filling Your CO2 Cylinder and Attaching the CO2 Regulator
If you haven’t done so yet, have the CO2 tank filled by a professional. Due to shipping restrictions, they cannot be transported with anything in them. You can check with your local beer distributors on places they would recommend having your tank filled, or look for outfits in your area that service fire extinguishers. In Eastern Iowa, HawkeyeFire & Safety would be happy to help. They can supply you with not only CO2, but Nitrogen and blended gasses, and they can check and repair your regulator should it take a fall or grow tired over time.
|Hawkeye Fire & Safety Website|
Welding supply stores can often fill or exchange your tank. When you exchange, you will likely receive a cylinder with a pretty rough exterior back, but you can rest assured it has been recently inspected. Hobby stores that supply to paintball enthusiasts may be another option in your area.
Okay, now that the cylinder if full, attaching the regulator is pretty straight forward. With the cylinder valve closed and the valve on the regulator closed, thread the coupling hex nut on the regulator on the cylinder. Tighten firmly with a wrench.
|Attaching CO2 Regulator|
Tapping the Keg
Now we’re talking! Place the CO2 tank with the attached regulator in the back corner of your fridge. Make sure you will be able to reach it to work the valves and adjust the pressure on the regulator. Next, place the keg inside your refrigerator. In a perfect world, you would give the keg time to “settle” or “rest” before tapping. The contents are likely agitated from travel. Admit it; the ride home from the store in the back of your pickup is less than ideal. And did the keg hit every step on the way down to the basement? A 24 hour break in the cold refrigerator is ideal, but I know you’re likely thirsty by this point. Just keep in mind that the beer will flow better after the keg has had time to rest. It’s a lot like shaking up a can; expect a lot of head and foam at first. My advice, go grab a sixer and wait until tomorrow. But to each his own I guess.
Take the keg coupler and mount it to the keg. Do this by inserting the coupler into the locking neck of the keg and rotating the coupler clockwise. It’s best to hold the coupler by the metal parts at the bottom when doing this. Once it’s mounted, engage the coupler’s probe by either rotating the wing handle clockwise (wing style coupler) or pull the handle out and push down until it locks (lever handle style coupler).
Pressurizing the System
The last step (apart from drinking beer) is to pressurize the system with the CO2. Do this by opening the CO2 cylinder valve by rotating clockwise all the way. Then open the valve on the CO2 regulator. This will be “in line” with the CO2 hose. Next you will fine tune the amount of pressure in the keg by tweaking the adjustment knob/screw on the regulator itself. Start out at about 10-12 PSI for most domestic ales and lagers. Rotating the knob/screw clockwise will increase the PSI and rotating the knob/screw counter-clockwise will decrease the pressure. When you decrease the pressure, however, you will need to release it from the keg too. This will happen over time as you dispense beer, or you can pull the relief valve for on the keg coupler for a quick second to vent it.
|Spot It Leak Detector|
Check the system for gas leaks. The best way is to use this Spot It Leak Detector. Apply this stuff to the system and it will produce a large fluorescent bubble at the spot of a leak. If you would rather save the meager eight bucks, at least spray some soapy water around the attachments and look for bubbles.
Finding the “sweet spot” for the perfect pour is an art all into itself. Variables like beer temperature, cabinet temperature, beer type, altitude, beer line length, beer line cleanliness, faucet cleanliness, resting state of the keg, type of glass, temperature of glass, and more all play a role. Check with your beer distributor for the ideal pressure and temperature. Most beers should be kept at around 35°F.
When you pour, make sure you are using a clean glass. You want to hold it at an angle at the proper distance. Too close, you may not get enough head. Too far, and you may get too much head. It takes a little trial and error, but soon you’ll get there. The best tip I have to help you get closer to proper pour enlightenment with a balanced beer dispenser system is to open the faucet fully and quickly. Some folks mistakenly think you can regulate the head by partially opening or slowly opening the faucet. No way, that’s not how it works folks. Always open the faucet fully and quickly. I might let the first millisecond of the flow fall into the drip tray and then insert my glass into the flow depending on the beer type, but I always use a quick draw.
Good to the Last Drop
|Kegerator Cleaning Kit|
It is essential that you maintain a clean and properly pressurized system to ensure the right taste and appearance pint after pint. The entire beer system should be thoroughly cleaned after each keg or once a month at the very least. The faucet should be cleaned with a faucet brushregularly. Personally, I use thiscombination faucet plug/brushthat cleans the faucet every time I go to pour a beer, that way I don't half to think about it. Wild foamy beer and sour taste is often caused by yeast build-up in the faucet. Clean your beer dispenser with a reputable Beer Line Cleaner (BLC) solution as often as convenient. Rapids builds this kegerator cleaning kit to make this process fast and painless. See it in action on Rapids YouTube Channel in this tutorial that shows you how to use the kegerator cleaning kit.
The CO2 system should be “on” as long as there is beer in the keg. Shut it off when the keg is empty. Replace anything on the system that looks worn out, especially note the condition of o-rings, gaskets, and seals. Rapids carries all the replacement parts needed. You can find them at www.rapidswholesale.com.
Maintain a constant internal temperature. Monitor the cabinet temperature with athermometer. The most accurate reading would be from a probe thermometerplaced in a glass of water inside the refrigerator. This will tell you the likely temperature of the liquid beer inside the keg. Air temperature can vary depending on how the refrigerator circulates the air and where you place the thermometer. I put my thermometer in a glass of water right on top of the keg. 33°F for me, I like cold beer.
And remember, if you have any questions about the Rapids Home Refrigerator Kegerator Conversion Kits, feel free to buzz the Beer Experts at