Case Toilet Parts

PlumbingSupply.com® stocks more Case toilet repair parts and replacement Case toilet tank lids than anyone else on the Internet! Fill valves, diverters, lift wires and more can be found right here. Not sure which model Case toilet you have? Check our page for pictures of Case toilets to make sure of the model.

1000 and 1100 seat models
discontinued over 50 years ago yet we still offer parts for these toilets

If you don't know what Case or Briggs toilet you have,
please look at our Case / Briggs toilet identification page.


Case Toilet Parts

Part # Description Price & Quantity
5028 Vent Disk $2.54
5073 Gasket (seal) for #5129 flush valve Discontinued
5076 Volume Control - For Case 5163 & 5164 Fill Valves $8.32
5101 Conversion Kit - For Older Case Fill Valves - converts old #62 and #62-66 fill valves into a #5164 (#62-8) fill valve Discontinued
5106 Trip Lever - For Case 4000, 4000-A, 4100, 4100-A, 4200, 4300
Your trip lever must match the dimension of the lever arm shown here in order to fit
$12.38
5108 Push Button Assembly - For Case 9000 & 9100 (pre-1976 & after 1980) Discontinued
5109 Diverter Repair Kit - For Case 5163 Fill Valve Discontinued
5110 Diverter Valve Repair Parts - For Case 5130M and Case 5161 Diverters Discontinued
5111 Pump Assembly - For Case 5163 Diverter $20.06
5112 Pump Assembly - For Case 5161 Diverter $39.80
5118 Plunger Assembly - For Case 5166 Fill Valve $17.24
5119 (SP-19) Repair Kit - For Case 5163 & 5164 Fill Valve $37.28
5121 (SP-21) Fill Valve Repair Kit - For Case 5150 Fill Valve $60.60
5122 (SP-22) Stop Repair Kit - For Case 5150 Fill Valve $29.66
5124 Vent Repair Kit - For Case 5150 Fill Valve $57.02
5125 Rim Valve Repair Kit - For Case 5150 Fill Valve $42.62
5126 Misc. Repair Parts - For Case 5150 Fill Valve
(#5126 includes hush tube, 3 upper vac. breaker gaskets, 2 screws)
$22.81
5127 Trip Lever Kit - For Case A, 1000, 1100, 3000 $109.89
5127-LW 6" Lift Wire ONLY (for #5127 trip lever kit) $3.09
5128 Trip Lever Kit - For Case 2ND Model A $64.32
5129 (SP-29) Flush Valve - 5-1/4" tall - For Case 1000, 1100, 3000, 6000 (3200), 4000, 4000A, 4100A, 6011 (6001) (4200),6002 (4300), 6005 (9000), 6006 (9100) $119.75

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Part # Description Price & Quantity
B251 Triple Seal Tank Ball (heavy duty) - Replaced by "will fit"
- (measures 2 1/4" - 2 5/8") - Fits Case #5129
$3.86
5130M Diverter Assembly - For Case 3200, 4200, 4300, 9000 & 9100 (1976 - 1980) $53.99
5132 (SP-32) Misc. Repair Parts - For Case 5150 Fill Valve
(#5132 includes lower brass riser tube of fill valve and all parts below that)
$32.80
5133 Diverter - For Case 4000-A, 4100-A Discontinued
5136 Seat Washer - for 5150 fill valve plunger $0.92
5139 Cup Washer - for 5150 fill valve plunger $1.05
5146 Nylon Seat For Case 5150 Fill Valve Discontinued
5147 Plunger - For Case 5150 $28.27
5150 (#50) Fill Valve - For Case 1000, 1100, 3000
View details for parts breakdown - (will not replace the #57 fill valve)
$332.97
5160 Fill Valve - For Case A, Case A-2 (Blue Label) Discontinued
5161 Diverter - For Case 4000, 4100, 9000, 9100 No longer
sold separately
use 5164
5163 Fill Valve - For Case 4000A, 4100, 4100-A, and 4200 (pre-1976 and after 1980) Discontinued
5164 (62-8) Ballcock Assembly
View details for parts breakdown
$290.85
5166M Fill Valve - For Case 3200, 4200, 4300, 9000, & 9100 (1976 - 1980)
For #5166M - order Case #5164 with #5106
Discontinued
5173 Flush Valve Flapper (No. 75, SP-73) - For Case 5188, 6070, 6075 tanks $12.44
5176 Push Button Flush Assembly for Case II and Case IV - Chrome $50.64
5177 Push Button Flush Assembly for Case II and Case IV - Polished Brass $66.85
5188 (SP-88) Flush Valve - 5" tall - For Case 4100 $125.49
5190 Trip Lever - For Case 3200, 9000 & 9100 (1976 - 1980) - Chrome $18.10
5191 Tank Lever - Antique Brass - For Case Regency III and 6036 - limited to stock Discontinued
5192 Fill Valve WITH Diverter - For Case 6022, 6024, 6026, 6036 - WITHOUT float ball (#5192 is a fill valve, not a flush valve) Discontinued
Use 1B1X-WF
1B1X Complete Fill Valve Assembly - fits many one-piece toilets
Includes: brass 1B1X fill valve, refill tube, brass float rod, black plastic float ball, diverter assembly and mounting hardware (washers, nuts & screws) - durable BRASS construction
Discontinued
Plastic Will-Fit
Available Below
1B1X-WF "Will-Fit" Fill Valve for #6026 toilet and many one-piece toilets
- (WITHOUT float ball & diverter assembly) - Includes: plastic fill valve, refill tube, brass float rod and mounting hardware (washers, nuts and screws) - (diverter assembly not needed for fill valve operation)
$51.57
1B1X
ELBOW
OEM Fill Valve Elbow for 1B1X $3.61
1B1X-BCRKC Complete Repair Kit for the 1B1X
Includes top assembly, large o-ring, plunger with washers and 3 screws
Discontinued
1B1X-KIT
Will-Fit
"Will-Fit" Repair Kit for the 1B1X fill valve
Includes: large o-ring and plunger with washers
$5.59
1B1X-TOP OEM Top Assembly Only for the 1B1X - 2 1/4" center to center holes - (not interchangeable with Will-Fit 1B1X Top Assembly) - Includes 2-piece plastic top assembly and 3 screws Discontinued
1B1X-TOP
"Will-Fit"
Top Assembly Only for the "will-fit" 1B1X - 2 1/8" center to center holes - (not interchangeable with OEM 1B1X Top Assembly) - Includes 2-piece plastic top assembly and 3 screws
Note: We recommend the purchase of the 1B1X-KIT will-fit repair kit if purchasing this 1B1X-TOP-WF (your old plunger assembly may not fit into new top assembly)
$8.03
B351304 Genuine Briggs Replacement Flapper - Replaces 500044, B500045 $14.18
Float Ball Black Plastic - "will-fit" - 4" x 5" - 1/4"-20 $3.70

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Case Toilets Related Items


Frequently Asked Questions

Q. "I installed a new fill valve and it will not shut off completely. The water has reached the float, and the float appears to close the valve. How come the fill valve continues to run?"
A. 1) It could be there may be dirt or debris between the plunger and the seat or in the incoming line of the valve. It is best to turn your water off, and remove the plunger from the fill valve. Turn the water back on for a few minutes to flush any dirt or debris out of the valve and the water line. During this process, you may want to cover the fill valve with your hand or a cup to prevent water from spraying you or your ceiling.

2) It may be the float needs to be adjusted. Do not bend the float rod. Adjust the plunger fulcrum arm. To lower the water level, place a screw driver under the middle of the cross lever and above the support of the float rod, then press firmly on the float rod next to the fulcrum.

Q. "The cost for repair parts for these toilets seems a little expensive, compared to parts for most other toilets. Why is this, and can I use other parts instead?"
A. The Case Toilet Company has been out of existence for a number of decades, and their parts are rare and difficult to find. In relation to the huge number of toilets installed around the world, there are relatively few Case toilets still in use. This makes the need for their parts less common, and so manufacturing them is more costly. However, for the most part, only parts made specifically for Case toilets will work. View our page for hard-to-find Case toilet repair parts.

Q. "The part you have pictured doesn't look like the part in my toilet, but you say it's the same thing. Will this part work for me?"
A. Maybe. Because Case toilets were discontinued so long ago, it is extremely difficult to find parts for these toilets. In addition, over the years Case (and eventually Briggs when they purchased Case) updated or changed parts to make them more efficient or keep up with manufacturing demands. This means that an older Case toilet may use a slightly different version of a particular valve than a newer Case toilet. The replacement valves we offer are the most recent version of the part (since we can't get older versions), and so the repair parts we offer are intended for these valves. They may work for older valves or they may not, but we cannot be certain a specific part will work for your situation. We encourage you to review our return policy and then stay positive and embrace the adventure of owning a toilet that was discontinued generations ago.

Q. "What is the best way to replace my tank ball?"
A. Generally, with most toilets: First, turn off the water supply and flush the toilet. The tank ball will most likely be deteriorating and you will get your hands dirty. Or, you may wish to use some latex gloves. Reach in and with one hand lift the wire attached to the tank ball. With your other hand unscrew the tank ball from the lift wire. In some cases, depending on age of product and water conditions, the lift wire may be corroded and break as you try to unscrew the tank ball. Replace the lift wire if necessary. Replace the tank ball with an identical size tank ball. Screw the new tank ball onto the lift wire. Be careful of older brass parts inside your toilet so as not to break or damage them and cause you more problems. Now turn the water back on and allow the tank to fill up. The water fill valve should not leak once the tank is filled (be going on and off in cycles). If it does, then we recommend some food coloring be put into your tank. This can help diagnose the problem. The colored water should not be going into the bowl (unless you flush the toilet of course). If the food color does go into the bowl, then possibly the tank ball is not the correct one or the surface where the tank ball sits has eroded (feel below where the tank ball touches the seat of the flush valve and see if you can feel erosion or possibly a small groove). Also check to make sure the lift wires are not bent and allow the ball to lift and drop easily and centered onto the flush valve seat.

Q. "I installed a new fill valve and it will not shut off completely. The water has reached the float, and the float appears to close the valve. How come the fill valve continues to run?"
A. 1) It could be there may be dirt or debris between the plunger and the seat or in the incoming line of the valve. It is best to turn your water off, remove the plunger from the fill valve. Turn the water back on for a few minutes to flush any dirt or debris out of the valve and the water line. During this process, you may want to cover the fill valve with your hand or a cup to prevent water from spraying you or your ceiling.

2) It may be the float needs to be adjusted. Do not bend the float rod. Adjust the plunger fulcrum arm. To lower the water level, place a screw driver under the middle of cross lever and above the support of the float rod and press firmly on the float rod next to the fulcrum.

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