Step 1: Cut Access Holes

With a rock saw, cut through the drywall below the bathroom where the hose will go.

Cut a second access hole for access to the utility closet.

Step 2: Connect the Air Pump

Fish the hose through the hole to the bathroom and the other end into the utility closet (Image 1).

Hook up the hose to the air pump.

Use a PVC pipe to couple the valve and the pump together (Image 2).

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    Image 1

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    Image 2

Step 3: Attach the Supply Lines

Rub petroleum jelly on the o-ring to ensure the seal (Image 1).

Place the supply lines onto the pre-plumbed fixtures on the floor, and tighten with a spanner wrench (Image 2).

Rub more petroleum jelly on the o-rings of the transition elbow, and tighten it onto the supply lines (Image 3).

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    Image 2

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    Image 3

Step 4: Install the Faucet and Drain Basket

Attach the faucet to the elbow, tightening with a wrench (Image 1).

To install the drain basket, wrap teflon tape around the threads to ensure a tight seal (Image 2).

Apply plumber's putty to the underside of the drain (Image 3), and push it into place in the tub.

Use a star wrench to tighten down the drain basket (Image 4).

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    Image 2

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    Image 3

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    Image 4