1. Insert the faucet spout into the faucet body.
2. Insert the faucet stem, power cord, and filtered water tubing into the hole on the countertop.
3. Under the sink, slip on the nut and tighten it up.
4. Cut the PE tube that connects to the purifier at a spot 4 inches from the end of the faucet (cut cleanly and squarely). Insert the two ends of the PE tube that have been cut into the inlet and outlet of the UV sterilizer.
*Note: If your kitchen sink or countertop does not have an existing hole. you will have to drill one (1 inch).