- A reverse-pressure tap is similar to the normal tap only upside down.
The washer moves upwards to the seat when the tap is turned. To change a washer in reverse pressure taps there is no need to turn off the water supply because when the body is removed an internal check valve closes to prevent water flow.
- ‘Put the plug in’ - Insert the plug into the hole, this will save any small objects that might fall from the tap during repair.
Removing the body
- Undo the nut above the body of the tap.
- Once this is done the body can be removed by undoing the tap as if you were turning the tap on.
- Don’t be alarmed by the water that runs, keep unscrewing the body until it comes off.
- When the body is removed the internal check valve will operate to stop the water.
Replacing the washer
- By banging the nozzle of the body empty out the inner workings of the tap.
- Bang the nozzle of the body to loosen the inside.
- Once the inside is loose it can be emptied out to reveal the washer.
- Prise the washer off with a screwdriver and replace.
- Reassemble the tap in reverse order.
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