Those are for the supply inlets, hot and cold to the faucet. If you are using supply hoses from your hot and cold water, you will not need these washers. You will need them if you are using rigid copper or chrome pipe to connect from your water supply. If you have a choice, use stainless steel braided supply hoses instead of rigid pipe.
2010 International Plumbing Code414.5 Limitation of Hot Water in Bathtubs and Whirlpool Bathtubs.418.0 Shower and Tub-Shower Combination Control Valves.
The handles are held on by a set screw either under a cap in the center of the handle, or on the side with an allen head screw
one the handle is off, you unscrew the eustecheon cap and can get into the cartridges that most likely needs cleaned or replace.
You can contact Newport brass for parts and info below...
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There is a good chance that if you remove the handle there will be a retainer of some sort. The retainer's job is to keep the stem/cartridge from pushing out due to water pressure. It may be in the form of a nut or a clip. Be careful removing the handle because if the retainer is completely disengaged then the stem/cartridge may shoot up. Turn the hot and cold water off at the valves located under the sink and relieve the pressure by turning the faucet on. If it's a loose nut it will spin freely. Tighten it. If it is a clip you may need to play with the stem/cartridge to align it properly before the clip will move into place..
Question edited for correct spelling of maker 'Noen' to 'Moen'.
'Fix' as in it is leaking? Or tighten it down because it is wobbly, or something completely different?
Well, we can have a one on one seminar by the internet. I've been a pumpman for 20 years. I can share with you my experience (household pumps, suibmersible pumps, turbine pumps, gear pumps, piston pumps, dewatering pumps, mud pumps, trash pumps, mining pumps, solids handling pump, etc....) Just take your pick. Just send in your e-mail for assistance. God bless.
It is leaking due to a defective mechanical seal. It needs to be replaced. To replace it, is to take the pumpcase off by taking off the bolts that hold it. Then, take the impeller off to take the mechanical seal behind it. Put the replacement in, and reassemble the pump. Just get in touch with us by e-mail to get more assistance.
Move the lever or turn the knob. Check the stop tap under the sink. Make sure the faucet control knob or lever is tight, There is normally a removable cover that hides the screw..