I have several 20 year old Moen faucets in my house. The single "pull"
style faucets all tend to stick to some degree. I have disassembled
than and am ready to replace the "O" rings. In the past I have tried
to lubricate them but no matter what I put on them it doesn't stay
past the first day and the cartridge eventually starts to stiffen up
Should I leave the new O rings unlubricated? or is there some
lubrication that will stand the test of time?
I've never had that problem with mine. Be sure the inside is clear of any
buildup that can scratch the O rings.
There are lubricants made specifically for O rings. It is a clear jel
looking stuff and should be available from any place that sells industrial
supplies. I know McMaster-Carr has it.
You have to lube with silicone grease!!! Anything else, and the rubber parts
in the cartridge are toast. If you have in fact used other lube, get a new
cartridge, and get some silicone grease to use after a couple of years when
it starts to get stiff again. Moen has some they will sell you, but I just
use tune-up grease (you know, for spark plugs), mainly because I have it
Lube never worked for my faucets. I had to replace the
cartridges several times in the faucets in my house, and
eventually I just replaced two bathroom faucets and a
kitchen faucet. Strangely, the controls in my showers never
needed to be replaced. I believe that the water quality
was a problem.
Moen single-handle is the *stupidest design principle ever*, impossible to
control, and difficult to operate. I don't know why they are so popular.
For a while it was the cheap alternative to Delta single-handle faucets
when Delta still had the patent on their ball mechanism, which is the right
way to do it (tilting a joystick lever instead of clumsy axial pull). Now
that the patents are all expired, you can get a Delta for $60, American
Standard clone for $40, or import clone for $20. No point in keeping the
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