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Home†>†Water University†>†Water Filter Videos†>†Pentek 158002 Under Sink Filter System Installation Video

Pentek 158002 Under Sink Filter System Installation Video

Pentek 158002 Under Sink Filter System Installation Video Transcript

Hey everyone, Tony the Filter Doctor here. Welcome to our installation series. Today weíll be installing the Pentek 158002. Itís very popular in RV and marine applications because of its small form factor, but it also serves very well as a regular under sink kitchen water filter system. Now, it can be installed either feeding the water to your regular faucet or with a dedicated drinking water faucet. Iím going to show you the latter today. This is not a kit. All parts are sold separately. The first thing we need to do is turn off the water supply of the cold water line, since weíre attaching this to the cold water line. Iím turning this valve clockwise all the way snuggly, now the water is off. Now that I have the water turned off, I need to remove this nut from this valve mechanism. Using a wrench or a 5/8 inch plier, loosen the compression nut and then hand loosen and weíre done. Now weíre going to attach this diverter valve to the valve mechanism. Teflon tape is not necessary because this unit has a rubber gasket inside. To install your drinking water faucet, you need to have an open location; either a sprayer that youíre willing to give up or a capped hole like this. This piece will unscrew from underneath the sink. Hereís what it looks like from under the kitchen sink. You need to remove this piece. Simply unscrew it and remove the cap. Hereís what it looks like now that weíve removed the cap. There are really only two pieces necessary on the top side of the sink. One is a large black rubber washer and the other is a chrome discussion plate. This is the remaining hardware that youíll need when you go under the kitchen sink. The first piece to go on is this locating washer. Now hopefully you can see that this has a unique shape. The end that I have up now is the end that goes up when youíre underneath the kitchen faucet. Thatís because this will help to locate and center the faucet on the hole. If you put it with this flat end up, it can slide all over the place and your faucet will end up off center. Underneath the kitchen sink we need to install the locating washer and the star washer, and then the lock nut. Itís a very long thread and itís going to take a while to get that nut all the way up on this thread. Because the faucet adaptor does not have a rubber washer, we need to use a small amount of Teflon tape on the end of these threads. Hand tight is sufficient. Next letís focus on the location of the filter system. You can put it really anywhere you want as long as you have the tubing to reach that location, but you might want to avoid mounting it on the back of the cabinet because the backs of cabinets are typically thin and pretty flimsy and theyíre not going to hold the type of screws necessary to support the system. In this case, I want to mount mine on this side because itís the same side as the cold water valve. Now, the primary concern is the height of the mounting bracket from the bottom of the cabinet because almost all filter systems require some space under the housing for the removing and changing of filter cartridges. In this case, this system unscrews and drops down and moves out of the way so it doesnít need a lot of space, but at least 2 inches so that you donít get jammed up by the bottom of the cabinet. So what I need to do is measure the distance from the bottom of the filter housing to these holes, and then add about 3 inches. Looks like 8 inches to these top holes, plus 3 inches for underneath, so I want to make my holes at 11 inches from the bottom of the cabinet. And Iím going to do that now. Now Iím going to mark the holes, and using a 1/8 inch drill bit Iím going to drill some tap holes. Now that Iíve got the cap attached to the mounting bracket Iím going to put the mounting bracket on the side wall of the cabinet. Now, when you do that, make sure you stop and care for the length of the screws. You donít want to put too long a screw through the other side of your cabinet and ruin something. Next I need to install these elbows into the cap of the filter housing. One end has a quick-connect fitting and the other end has male pipe threads that screw into the female pipe threads on the cap. Because there is no rubber washer involved I need to wrap these with a little bit of Teflon tape. Ok, weíre almost done, but we need to put our tubing in place. First, we need to measure the distance and then weíll cut. Now I donít want it to be too long so I have big loops of tubing under here, but I donít want it to be a tight stretch either, I want there to be a little extra length. So Iím going to measure using the tubing itself to give myself an idea of the distance necessary. That looks like a good distance. Now, I could cut that with a regular razor knife, but a much better much easier choice is a tubing cutter. Let me show you why. Put it in the tubing cutter and chop. You wonít do that with a razor knife and you wonít get the perfect cut that I just got. If you do it with a razor knife youíll probably leave an angle or some jagged pieces and in order for your quick-connect fittings to work, you need a perfect cut. So a tubing cutter is worth the two or three dollars youíll pay at the hardware store to get one. Now I can install this very easily. These quick-connect fittings are a snap. You literally just shove the water line in and it kind of snaps in place. Watch this. Thatís it. Take the other end of your tubing and push it into the quick-connect. Thatís it. Now that I have my other piece of tubing cut, Iíll insert it into the fitting on the underside of the drinking water faucet. Just push to connect. One last connection from the drinking water faucet to the outlet side of the filter housing, and thatís it. Now that weíve got the water lines installed, I can put my cartridge in the sump, attach it to the cap and weíll have filtered water. This is the very popular CBC-5, a 0.5 micron carbon block that fits in this industry standard size filter housing. Iím going to put it in the sump, make sure itís seated properly on the post in the bottom of the sump, and then attach the sump to the cap. Righty tighty, and then hand tight only. We could use a filter wrench, but if we did that we could crush the o-ring and cause a leak. So nice, firm, hand tight only and now weíre in business. So again, this is the Pentek 158002, an industry standard size filter housing that receives cartridge approximately 5 inches long by 2 Ĺ inches in diameter. Itís very popular because it can fit in so many locations because of its small form factor. Today weíve installed in under a regular kitchen sink to a dedicated drinking water faucet, though you could run the water directly to your regular faucet through a system like this. Again, Iím Tony the Filter Doctor with our installation series. Thanks for watching.

See detailed specifications and purchase the Pentek 158002 here.