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IMG Credit: google
IMG Credit: google
IMG Credit: google
In the second step, you need to turn off the water supply and drain all the water.
IMG Credit: google
Attach the T-valve to the bottom of the tank, where the hose used to be.
IMG Credit: google
After connecting the T-valve, you can mount the plastic bidet seat that comes with the attachment.
IMG Credit: google
The bidet attachment has its own hose for the water supply that you can connect to the T-valve and you're done.