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Mercury Series Replacement Toilet Parts

by Universal Rundle

Keep your Mercury toilet working just like new with repair and replacement parts from PlumbingSupply.com®! From trip levers and flush valves to float rods and ballcocks, you'll find it right here. If you want more Universal Rundle parts, click here.


Replacement Parts for Mercury III Toilet
Two-Piece Model - Tanks 4431/4471

Mercury toilet repair parts

Model & Service Years Description Original
Part #
Price & Quantity
Mercury III Toilet
Models: 4431 / 4471
Feb. 1982 - June 1987
Ballcock - Replaced by #400A
- Click here for 400A repair parts
134/134C $10.92
Flush Valve - (original 6-13/16")
Replaced by "Will-Fit"
240/234 $9.17
Float Rod (9") 122/126 Discontinued
Float Ball 102 $3.40
Trip Lever - White 340 Discontinued
Trip Lever - Chrome "will-fit" 340 $4.35
Mercury III Toilet
Models: 4431 / 4471
June 1987 - Oct. 1993
Ballcock - Replaced by #400A
- Click here for 400A repair parts
144/145 $10.92
Flush Valve - (original 6-13/16")
Replaced by "Will-Fit"
252/253 $9.17
Float Rod (9") 120/121 Discontinued
Float Ball 102 $3.40
Trip Lever - White 340 Discontinued
Trip Lever - Chrome "will-fit" 340 $4.35
Please note: The "Will-Fit" valve offered above will need to be cut down to original valve height (using any type of saw - wood saw, hack saw, etc.) - altered valves are non-returnable.

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Not sure which model toilet you have? Try looking under the toilet tank lid or inside of the toilet tank.


Related Items & Information




Frequently Asked Questions

Q. "I installed a new fill valve and my new valve comes on (and then goes off) for a few seconds about once per hour?"
A. This could be caused by many things. The most common is with a Fluidmaster 400. This is a great valve but be sure to install the 1/4" tube per their instructions. Use the clip that comes with it and do not just stick it into the overflow tube or it will go on and off every so often by itself. If that isn't it, take some food coloring and place it in your tank. Wait a few hours and if some of the color has gone into the bowl then you probably need a new flapper.

Have questions about toilet parts or toilet repair?

Toilet Repair Information & FAQs


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