Bought Glacier Bay N2420 toilet that had this dual flush valve installed and after 6 months, it leaks a refills the toilet every 30-45 minutes throughout the night waking me up!
Found this replacement, sure its cheap, but why keep on buying this every few months?? My 15 year old Glacier Bay basic toilet only had its flapper valve replace twice!
So, this is my fix to this bad design. Make the seal smaller by cutting 1/8" off the outside and pick up a 1/16" rubber gasket sheet from auto parts store and cut out the same seal and put it between the plastic disc and the white seal.
This stopped the leak because the white seal expands over time from use and stops on the water directing channels. Also the white rubber seal develops the seal groove from use and since the arm is at its limit, the seal cant seal and leaks.
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Response from FluidmasterSupportJuly 20, 2020
Contact Fluidmaster’s Technical Service Department for help with your product. We are available Monday through Friday from 5:30 AM through 5:00 PM Pacific Standard Time. Contact options include: Chat www.fluidmaster.com/support E-Mail email@example.com and Toll Free 800-631-2011
Wrong part, this type of flush mechanism is too hard...
December 11, 2020
Wrong part, this type of flush mechanism is too hard to find exact parts for, just buy a new toilet with regular guts
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Response from FluidmasterSupportDecember 13, 2020
Fluidmaster would like the opportunity to learn more and provide help. Visit our website Fluidmaster.com/support for videos, troubleshooting tips, email, chat with a technician or call toll free 800-631-2011. We are available 5 days a week Mon-Fri from 5:30 am – 5:00 pm PST.