JKC
Installation & Care Guide

Aquel Type Flush Valve Spindle – 32mm

Follow along and check off each step as you go — most customers finish in about 8 minutes.

~8 minutes
6 simple steps
No power tools needed
Model JKC-1064
Step 0

Before You Start

Tap each item as you gather it — a couple of minutes of prep now saves a return later.

Tools You'll Need

What's In The Box

Verify before you start: Compare this spindle's dimensions — Ø7mm 20-tooth spline, 116mm overall length, Ø32mm threads (upper and lower), Ø30mm base — to your old part before starting. This spindle fits Aquel-type concealed flush valves only.
Installation

Step-by-Step Fitting

Six simple steps — most customers finish without calling a plumber.

Hands full? Have the steps read out loud instead.
0 of 6 steps complete

Nice work — all steps complete!

Your Aquel flush valve is ready — smooth, leak-free flushing restored.

Turn Off the Water Supply
~1 min
Locate your flush valve's water supply and shut it off completely.
Flush the Tank Empty
~1 min
Operate the flush handle to clear any remaining water from the line before you begin.
Remove the Old Spindle
~2 min
Unscrew the valve's outer cap and carefully withdraw the old, worn spindle.
Take care: The cap can be stiff on an older valve — use a wrench gently rather than forcing it by hand.
Fit the New JKC Spindle
~2 min
Align the O-rings and thread the new JKC Aquel-type spindle into the valve body by hand.
Take care: Hand-tighten only — overtightening can damage the O-ring seals.
Restore the Water Supply
~1 min
Refit the valve's cap and turn the water supply back on.
Test the Flush Action
~1 min
Operate the flush a few times and check for smooth 180° turn action and no leaks around the cap or base.
Points To Take Care Of

Do's & Don'ts

The most common fitting mistakes — and how to avoid them.

Do

  • Compare the spindle's dimensions (Ø7mm 20-tooth spline, 116mm length, Ø32mm threads) to your old part before starting
  • Turn off the water supply and flush the tank empty before removing anything
  • Align the O-rings carefully before threading the new spindle in
  • Hand-tighten the spindle and cap — snug is enough
  • Keep the old spindle until you've confirmed the new one fits and works
  • Test for smooth 180° turn operation and no leaks before regular use

Don't

  • Don't overtighten the spindle or cap — it can damage the O-ring seals
  • Don't force the spindle if it doesn't thread in smoothly — recheck alignment first
  • Don't use this spindle on a non-Aquel-type flush valve
  • Don't discard the old spindle until fitment is confirmed
  • Don't use metal tools directly on the rubber base seal
  • Don't skip the leak test after reassembly
Quick Reference

Troubleshooting

If something doesn't feel right after fitting, check here first.

SymptomLikely CauseWhat To Do
New spindle doesn't turn smoothlyO-rings misaligned or spindle overtightenedLoosen slightly, recheck O-ring seating, and hand-tighten only
Still leaking after replacementCap not fully seated, or slight size mismatchRecheck the cap seating; if it persists, compare dimensions again and contact support
Spindle doesn't fit into the valve bodyValve may not be Aquel-type, or dimensions differContact JKC Emart support with your old part's measurements before forcing it
Handle feels stiff after installationNew O-rings need a few flushes to settleOperate the flush a few times; if stiffness continues, check for overtightening
JKC

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