Review of Culligan US-EZ-3 EZ-Change Undersink Drinking Water Filtration System, 500 Gallon

I would HIGHLY recommend that nobody install this water filter regardless of price & if you have one already installed, that you replace the spigot assembly ASAP.I had one of these in my house and it lasted about a year before leaking.Luckily we noticed the leak under the sink quickly before major water damage.As other have said here, the design is severly flawed and hazardous. I am an mechanical engineer and am absolutely AMAZED that anybody would design this product as it is.It is beyond incompetence, it is gross negligence.The bottom threaded stem is nylon, which on its own, although problematic, is not a fundemental flaw.It is the way they attached the plastic to the rest of the assembly, using a plastic to plastic bond that is highly stressed when installed.The assembly is made such that the attaching joint is stressed by the main mounting nut and any other forces on the facet head (ie usage, cleaning, accidental bumping when wiping sink or filling pots).Overtightening during installation or bumping the facet will either break, or worse, initiate a flaw in the joint, which over time will surely open up into a major leak at any random time due to the mounting nut stress being concentrated at the flaw and material creep. If this leaks into a hidden under-sink area or while you are away, you may incure massive flood damage to your home.Replace the spigot with a metal one.I used an inexpensive all metal GE one which will surely outlast my kitchen.

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Product Description:
Easy change under sink drinking water system. Level 3 advanced filtration. Reduces: Bad taste and odor, chlorine taste and odor, sediment, lead, cysts such as cryptosporidium and giardia, turbidity, atrazine, lindane, particulate Class 1. Features: Twist On, twist Off mechanism. Quick connect fittings and double water shut Off. 2 year limited warranty. NSF certified. 500 gallon filter life. Includes: Filter head with built in bracket, model No. RC EZ 3 Level 3 replacement filter cartridge, mounting screws, supply adapter, lead free faucet with built in electronic cartridge life indicator, 1 4" plastic tubing. Filter change reminder sticker.

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