Korky 4030 Adjustable Flush Valve Kit User Guide

June 12, 2024
Korky

4030 Adjustable Flush Valve Kit
User Guide

4030 Adjustable Flush Valve Kit

Need: Adjustable Wrench, Bucket, Pencil, Pipe Wrench & Ruler
May Need: Sponge & Towel
Required:

| Bolts
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| Hex Nuts
| Rubber Washers
| Metal Washers
| S-Clip

Korky 4030 Adjustable Flush Valve Kit - Overview

Watch Video

Strongly recommended: www.korky.com/4030

Remove Water from Tank

a) Turn off water supply.| b) Mark water level (M) with pencil when original flapper closes.
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c) Flush & hold to drain water. Place bucket. Disconnect water supply line.| d) Remove nuts, washers & bolts.
Korky 4030 Adjustable Flush Valve Kit - drain water| Korky 4030 Adjustable Flush Valve Kit - Remove
nuts

Remove the Old Flush Valve

a). Lift tank off bowl.

b). Remove sponge gasket. Remove mounting nut (MN) with wrench. Remove valve and hardware

Korky 4030 Adjustable Flush Valve Kit - sponge gasket

Note: New sponge gasket may look different but will replace virtually all shapes and thicknesses

c) Install new flush valve. Rubber seal (RS) inside, chipboard washer (CW) on underside of tank.
Hand tighten mounting nut (MN).

Korky 4030 Adjustable Flush Valve Kit - flush valve

Secure & Adjust the New Flush Valve

Korky 4030 Adjustable Flush Valve Kit - Secure &
Adjust

  • Place sponge gasket (SG) over mounting nut (MN).
  • Set tank on bowl. Gasket may be thicker than original, causing tank to sit higher and wobble before tightening. This is normal. Gasket designed to compress.
  • Assemble Hardware. While applying downward pressure to tank to keep tank level (second person may be helpful), alternate tightening each hex nut with wrench until tank is stable & level. Do not continue tightening if tank & bowl touch. Do not overtighten as tank may crack.

Note: If tank has two bolt holes, a set of hardware will be left over
b) Loosen locknut (LN) then slide overflow tube (OT) up or down to adjust.

Attach Refill Tube

a) Overflow tube (OT) is 1/2″ above water line (WL) & at least 1″ below flush lever nut (FN). Hand tighten locknut (LN) when done.

b) Attach to overflow tube with S-clip. Trim tube if kink occurs.

Korky 4030 Adjustable Flush Valve Kit - Attach to overflow
tube

c) Attach chain (C) to flush lever (FL) with minimal slack.

Korky 4030 Adjustable Flush Valve Kit - Attach chain

Reconnect Water Supply

a) Connect water supply line. Do not use sealant/tape. Hand-tighten only.

Note: We recommend replacing with a flexible supply line (pictured)
b) Turn water supply. Let tank fill completely.

Korky 4030 Adjustable Flush Valve Kit - Turn water
supply

c) Turn off water. Flush. If water level (WL) drops within 1/2″ of pencil mark (M), flapper install complete. If not, proceed to next step.

Korky 4030 Adjustable Flush Valve Kit - Turn off water

Fine-Tune Bowl Water Level

a) Rotate hole in band (B) to open position. Repeat process in steps 6b & 6c before proceeding to step 7b.

Korky 4030 Adjustable Flush Valve Kit - Rotate hole 1

b) Rotate dial (D) to align next lowest number with arrow (A). Repeat process in steps 6b & 6c and adjust dial until setting allows water to drop within 1⁄2″ of pencil mark.

Note: For maximum water savings, adjust to lowest possible setting while still clearing the bowl.

Congratulations! You have overhauled your toilet tank! Flush toilet several times and check for leaks within the next few days.
Complete servicing instructions located at www.korky.com/help or 262-763-2434

Summary of Limited Warranty and Disclaimer of Warranties

Lavelle Industries, Inc. (“Seller”) warrants solely to the original purchaser (“Buyer”) of this Korky Flush Valve (“Product”) that the Product will be free from material defects in workmanship and materials under normal use and service for a period of 5 years from the date of purchase. There is NO WARRANTY in cases of: negligence; abuse; abnormal usage; misuse; reuse; accidents; normal wear and tear; failure to follow Seller’s instructions; improper installation (including, without limitation, over-tightening of mounting nut), storage or maintenance; or exposure of the Product to in-tank drop-in cleaning products containing harsh chemicals.This is only a summary of the Limited Warranty and Disclaimer of Warranties. A complete copy of the Limited Warranty and Disclaimer of Warranties is available at www.korky.com. In addition, a hard copy is available upon request by contacting Customer Service at 665 McHenry Street, Burlington, WI 53105.

Korky 4030 Adjustable Flush Valve Kit - Logo ©2022 Lavelle Industries, Inc.
665 McHenry Street, Burlington, WI 53105
www.korky.com

References

Read User Manual Online (PDF format)

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