Hi, my name is Chris Wade, and I'm a contractor in the city of Los Angeles. Today, I'm going to show you how to replace a single knob faucet. Most of the time, when you want to replace a single knob shower faucet, is because you want to go with a new look. The important thing you want to find out is what the manufacturer is of your shower faucet. Most of the time, you have to go with the same manufacturer, just mostly to hold lineup. First thing you want to do is pull out the cover on top, on the knob, and use something, you know, quite pointy and sharp so you can just get back at there and pop it off. Inside there is going to be a single net. And again, you always want to shut off the water before you do anything like this. You want to undo the screw that holds the knob onto the shower valve, pull that off, and then you want to first unscrew the beauty ring, and then you want to get in here, and you want to undo the escutcheon plate, which basically is the large trim piece that goes up against the wall. Most of the time, it's a very long screw. And, as you can see, I'm just going, and going, and going, and going. And, still not even out. So, taken that off. Or, you can grab a screw gun, gently put it in there, and it'd come out a lot faster. And then, just pull this piece out, and this is basically the second portion of the escutcheon plate, it just pops in, wherever. Now, the new one, is basically just going to be the reverse of taking the old one off. You want to put this piece in first, just get that back in there until it stops. Then, you want to put your escutcheon plate on, and just remember to line up the holes into the roughing valve. Like I said, it's very important that you find the one that fits your rough end valve. As you can see, these two nuts, or bolts, are at a diagonal, because that's how it's set up on the roughing valve. Some of them are three o'clock and nine o'clock, some of them are straight up and down. You just want to find the one that fits yours. Then, you just want to get your second nut in, and just basically, you don't want to cinch down too hard on it when you put it back in, especially if you're going to be using a mechanical device. You want to just finish it off with a hand screwdriver, and just tighten it down, just like finger tight. Then, you want to put this, slide this back in until it's snug. Put your handle back on, make sure it's lined up with the stem, just kind of turn it until you get it. And then, just screw this back on, make sure it's a little tight. Put your cap back on. That's pretty much how would do a single knob shower valve. And again, most of the time, you're just going to do it because you want to change the looks, or something is broke on it. And, that's how you do it.
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