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Home†>†Water University†>†Water Filter Videos†>†Air-Gap vs. Regular Faucet Video

Air-Gap vs. Regular Faucet Video




Air-Gap vs. Regular Faucet Video Transcript

In todayís video weíre going to focus on the difference between an air-gap and a non-air-gap regular faucet. What is the difference? Youíll see that there are a couple of different types of faucets on our website, and reverse osmosis systems like the one you see right here with me today, come with both air-gap faucets and in some cases non air-gap faucets. So, how do you know what you have and what you need when you are replacing yours? So, Iím going to zoom in here on these faucets and show you what weíre talking about. What we have here are two faucets; one is a non-air-gap regular, thatís this faucet with this blue line attached to it, and over here we have an air-gap faucet. Now, hopefully you can see this; I think Iím zoomed in properly so you can. Obviously, the air-gap faucet has additional connections; these barred nipples as well as the threaded stem. Both of them have a threaded stem, but the air-gap faucet has two additional barred nipples. So, what are they for? Well, Iíll show you that in just one second. The regular non air-gap faucet, the good water line, thatís this blue line, comes into the threaded stem; the threaded stem is where the good water goes regardless of type of faucet. In this case itís connected to this quick connect fitting which is threaded onto this threaded stem. Thatís it, good water in and thereís nothing else, no complications. But, Iím going to remove this from this faucet and attach it to the air-gap faucet and show you how an air-gap faucet is connected. Start by getting this good water connection on, and then you have with all RO systems, there is a drain line. That drain line is this line here in this example, this black line is our drain line, and itís coming from the RO system and is sending junk, brine water down the drain. But, the air-gap serves as exactly that, a gap of air in case there is ever reverse suction through the system. So, this line attaches to one of the barred connections and they go on very hard so Iím not going to connect them all the way. If I were installing this for real, obviously I would slide this up this entire bar. And then the other bar is the out line so I have a pretend out drain line. Obviously the end of this line would then go to the drain. So, you have good water into the threaded stem and then you have drain water in and drain water out to the actual drain. Then if thereís reverse suction, you wonít suck the crud out of your drain, youíll suck air from, you can see here, thereís a weep hole on this faucet. On some of them the weep hole on top, in back, behind. It can be in any location, but itís an air-gap to suck air if thereís reverse suction. This happens in rare circumstances. Perhaps youíre in a municipal neighborhood and the fire trucks pull up a block away to put out a fire and they take 5,000 gallons per minute out of the fire hydrant, thereís a chance youíre going to get reverse suction through your drain and could if not using an air-gap, suck some crud out of your drain and thus contaminate your reverse osmosis system. So, you have the air-gap faucet has three water lines attached on the underside, and the regular has only one. That is the difference.

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