Atoll A-560Em and A-550m STD, both of which are simultaneously mentioned on the box, are the same system. In reality, it's just another marginally altered version of the tried-and-true A-560E / A-550 Max. Each of these systems has a mineralizer at the fifth stage, and everything that has been said about them in reviews on the market is 99% accurate for this model as well. You may learn more about the A-550 standard, which is essentially the same but uses a carbon post-filter in place of a mineralizer. Otherwise, the two are physically equivalent. I can still wholeheartedly advise anyone to install such or a comparable system at home, despite all the drawbacks outlined, which are primarily linked to installation and maintenance. Most likely, worries regarding the dependability of links are entirely theoretical. According to what I've read, placing an Aquastop valve at the system's entrance is advised because it should immediately cut off the water supply in the event of a leak. Personally, I don't see the logic in it. Even though I purchased it, I ultimately chose not to install it. Watch the video on the manufacturer of these valves' website for interest's sake; it only functions if the pressure after the valve is substantially lower than before it, meaning that when the water starts to flow out completely unhindered, it truly whips. Because there is some non-zero pressure in the section from the valve outlet to the aerator, Aquastop does not function in practice even if you simply open the faucet with an aerator. Imagine what resistance the water encounters as it travels through the system since there are already 5 filters in the Sabzhe system and the tank is replenished once an hour by a teaspoon. If you turn off the tank, take a look at what a weak trickle of water comes out of the faucet. Simply put, Aquastop is unable to detect such a minor leak. I'm not sure if you should put it on, but there won't be much of a defensive impact.
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