While wrenches and other tools can scratch or cause damage to the housing of the faucet, the aerator key was designed specifically for easy, non-abrasive installation and removal of the aerator… The easiest way to do so is by grabbing some spare change: a quarter, nickel, and dime. An aerator is a key component in the overall performance of the faucet. A Regular/Standard size aerator … A male aerator has threads on the outside of the aerator whilst a female aerator has the threads on the inside of the aerator. Size: Aerators typically come in one of two sizes: regular (usually 15/16” Male or 55/64” Female) and junior (usually 13/16” M or 3/4” F). To replace the aerator, you need to measure it so you know what size … If your faucet is roughly the size of a nickel, it needs a regular-size aerator. 3 Twist to loosen the aerator. 2 Line up the teeth of the key with the notches of the hidden aerator. Aerators are essentially metal screens placed inside an aerator cap. DANCO Aerator Key has an aerator wrench for internal or external threads, as well as 4 sizes of keys that fit most faucet brands. We include 1 - special aerator key with each order. Some faucets use a smaller "Tom Thumb ®" metric-size aerator… A Standard size Cache Aerator (M24 x 1) is the size … Regular Aerator Inside 1 Using the above measurements, find the right key size for your hidden aerator. Shop for Aerators at Ferguson. In the United States, the thread size … Typical "Regular" size for a faucet aerator is 15/16" male threaded or 55/64" female threaded, while "Junior" size is 13/16" male threaded or 3/4" female threaded. This aerator fits standard cache faucets (hidden aerator fauecets) and is available in the following sizes… For cache aerators (hidden aerators) 2) Determine if you need male or female (if you need a housing) NRG carries Dual threaded aerators that will fit both male & female standard size … The first thing to determine is if you need female or male threading. The edges from the flat side of the coin should still be visible from the top when the coin is placed underneath an aerator. A pressure compensating flow controller in the aerator keeps the flow rate even over changing water pressures. You'll compare these coins to the size of the threaded end of your existing aerator (or the outlet of the faucet spout itself). The screens have a tight weave and eventually clog up with sediment. You can measure your faucet, or use a simple shortcut using coins. There are four different sizes of Cache® aerators and are metric in size. When this happens, you need to replace the aerator to increase the flow of water out of the faucet. Male aerators have the threads on the outside, female aerators … How To Replace Your Hidden Aerator MULTI-FIT AERATOR KEY You can easily identify the size of a cache aerator by using a quarter, dime, nickel and penny. 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