How To Work On Toilet Drain Plumbing Installations

plumbing-installationsToilet plumbing is not as easy to install as faucets, showers or kitchen sink drain. They require a bigger drain therefore making the plumbing installation more tedious and complicated. However, for the sake of illustration, let us show you how it is done.

The drain system for a toilet entails three types of pipes: the water supply, the waste line and a vent. The supply pipe for the fixture involves the use of a half-inch pipe (made of copper) which has its own water supply shut off valve. The drain line involves the use of a 3 or 4-inch pipe (made of PVC) which is then connected to a waste stack and the septic tank you have at home. Lastly, to make sure that the drain works efficiently, it must be vented outside with the use of a 2-inch pipe. Of course, the installation of these pipes is dependent on your existing plumbing system and the structure or construction of your home.

Waste and Vent Pipes Installation

1. A 4-inch PVC pipe will be installed vertically so that it continues from a least 1 foot above the toilet bowl and straight to the septic tank or the public sewer where the property is connected to. This 4-inch pipe is the soil stack and it should be attached with a plastic sweep Y-shaped fitting. If the sewer pipe is made of cast iron, a cast iron wye with threads should be used and it should be screwed with a PVC adapter. Glue this soil stack to the plastic Y-shaped fitting or the adapter with the use of PVC cement.

2. Specify an area in the bathroom where the drain pipe will supply enough clearance for the toilet. In most cases, 12 inches from the wall is enough.

3. Now a hole will be cut for the drain pipe in the subfloor. A reciprocating saw will be used and the hole should measure 3 or 4 inches in diameter. A 3-inch rain pipe is already good for drainage however if the soil stack is more than 6 feet far, a 4-inch pipe is recommended.

4. The toilet flange, which is secures the toilet and connects it to the drain pipe, will be fitted into the hole and screwed to the subfloor. A closet elbow, pointed to the soil stack, will be glued to the flange pipe with the use of PVC cement.

5. A PVC pipe will be attached and extended to the soil stack and a downward slope should be maintained. A 4-inch sanitary tee will be glued into the stack which should have a 3 or 4-inch opening. Then, the waste line will be glued to the tee.

6. The opening of the soil stack will be reduced to 2 inches with the use of a coupling. A 2-inch PVC pipe will be attached to the reducer coupling and extended through the roof. The vent pipe should stop at about 1 foot above the roof line.

We hope that you learned a lot about toilet plumbing installations through our blog. If you need professional plumbing help, just call the most reliable Cooper City plumbing company. Plumbers 911 Florida provides trusted local plumbing services in Cooper City FL including residential plumbing, home plumbing, plumbing repair, kitchen remodeling, bathroom remodeling and many more! Call us at 305-662-0668 (Miami-Dade County FL), 954-468-0512 (Broward County FL), 561-327-6287 (Palm Beach County FL) to schedule a service!

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Posted on: July 7, 2015