The older style of faucet needs two full turns of the handle to activate the flow but low friction ceramic valves allow the faucet to operate with just a quarter turn of the handle.
Ceramic disc valve.
The ceramic is strong enough to resist cracking and stand up to extreme heat and cold.
Get it as soon as thu oct 1.
Remove the ceramic disc valve using a spanner or a socket preferably to stop rounding of the flats by turning anticlockwise.
The ceramic discs are in two parts and it is the top part which moves over the bottom part.
Ceramic disc valving is an innovative water control system found in each american standard faucet.
We can now start to dismantle the ceramic disc and service it.
The ceramic disc valve should now be exposed.
Barrock faucet valve replacement ceramic disc cartridge for bathroom kitchen faucets quarter turn 1 2 x 50mm x 12mm spline in length brass shell 20 teeth stem 1 pair hot cold 4 8 out of 5 stars 10.
Photo 4 shows the same tap valve with the discs closed meaning the tap would be off.
At this point the ceramic disc is free from the tap housing.
Two locating lugs fit into the top part of the top disc and turn with the spindle.
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We got our parts from tap spares.
The ceramic discs also protect the metal of the valve from erosion.
Roger shows you how to replace a ceramic tap valve cartridge.
Ceramic tap valve with disc closed.