Hercules Series Toilet Repair Parts

by Universal Rundle

With the high cost of replacing bathroom fixtures, it really saves to repair your older Hercules toilet. Whether you need a new ballcock, flapper or even the trip lever, you've come to the right place! We here at PlumbingSupply.com® are pleased to offer these and many more Universal Rundle replacement parts.

Hercules two-piece toilet

Replacement Parts for Hercules Series Toilet
Two-Piece Model - Tank 4437 (3.5 gpf)

Hercules toilet parts by Universal Rundle

Model & Service Years Description Original
Part #
Price & Quantity
Hercules Toilet
Model: 4437
Feb. 1989 - Dec. 1995
Ballcock - replaced by 400A
- View 400A repair parts
108 $16.62
Flush Valve - Replaced by "Will Fit"
"Will-Fit" valve will need to be cut down to original valve height
- can use any type of saw (wood saw, hack saw, etc.)
- Please note: altered valves are non-returnable.
238/239 $14.99
Float Rod (8") - (for original 108 ballcock) 121 $2.25
Float Ball - (for original 108 ballcock/fill valve) 102 $3.70
Trip Lever - Replaced by comparable Will-Fit tank lever 334 $9.95
Tank To Bowl Gasket - Recessed - #WA75 "Will-Fit" -- $4.39
Tank To Bowl Bolt Set - Stainless Steel -- $6.39

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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.

Q. "My Universal Rundle toilet tank has a tilt valve. How does the Fluidmaster 400A fill valve allow the bowl to refill?"
A. If you are using a Fluidmaster 400A then you must also use the Fluidmaster #599 refill tube & clip. The clip attaches to the back of the tank and keeps the 1/4" refill tube pointed towards and into the overflow tube of the tilt valve. The 1/4" refill tube must not be attached directly into the overflow tube. There must be an air break between the refill tube and the overflow tube to keep the 400A from siphoning the water in the tank and putting it into the bowl continuously causing the 400A to turn on and off continuously.

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Toilet Repair Information & FAQs

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