Washington plumbing code

What plumbing code does Washington state use?

Authority: The Uniform Plumbing Code (Chapter 51-56 WAC) is adopted by the Washington State Building Code Council pursuant to Chapters 19.27 and 70.92 RCW. This code was first adopted by reference by the Washington State Legislature in 1974.

Is an air gap required in Washington State?

The air gap is required in Washington State . Each kitchen sink gets one. In some areas, a high loop is the minimum requirement , but in many other jurisdictions, an air gap must be installed with all new dishwashers.

What is the latest plumbing code?

The 2021 National Standard Plumbing Code –Illustrated provides the latest information about common materials, fixtures, devices and equipment systems used or installed in plumbing systems. The NSPC contains revisions that have been included to promote sustainable plumbing practices.

Do I need an air gap if I have a garbage disposal?

Yes According to the Bosch website,They are requiring air gaps per local codes to prevent backflow. “To prevent back flow into the dishwasher, connect drain line to an air gap or use a 30″ high drain loop, depending on local codes.

Are dishwasher air gaps required in Washington?

States including California, Washington , Minnesota, and Hawaii have all adopted a dishwasher air gap installation as a mandatory residential plumbing procedure. A plumber installing a new dishwasher will require you to have an air gap connection. If you do forgo an air gap , your house will not be up to code.

How do I find local plumbing codes?

Before you get started, learn where to get the plumbing code requirements for your area, so you’re sure to pass inspection. Visit your town hall. Go online and visit your town or state government’s page to see what codes or versions of federal recommended codes your state or town uses. Visit your local library.

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Why are plumbing codes important?

Plumbing codes help ensure the proper performance of plumbing systems. That’s it. By doing so the codes make for more efficient systems while safeguarding the health and safety of the public. To put it as simply as possible, plumbing codes help ensure the proper performance of plumbing systems.

What is the latest California Plumbing Code?

The current state plumbing code is the 2001 California Plumbing Code that is based on the 2000 Uniform Plumbing Code (UPC) published by the International Association of Plumbing and Mechanical Officials (IAPMO).

Why does dishwasher drain hose need a loop?

GE: “If an air gap is not required, the drain hose must have the high loop from the floor to prevent backflow of water into the dishwasher or water siphoning out during operation.” This keeps the drain hose dried out and keeps any odors from backing up into the dishwasher .

Why is water coming out of my air gap?

When the gap leaks, it is normally due to a kink or blockage in the tube from the air gap to the tail piece (drain line) below the sink. The gap may need to be cleaned, or the drain line below the sink may be plugged. Pull the cover off the air gap and check for debris blocking the opening.

Does a kitchen sink need a vent?

So, does every drain need a vent ? The answer is yes, every drain from your kitchen sink , to toilet, shower, laundry, floor drain and more all require venting . Vents are the allowance of atmospheric pressure in drains to prevent airlock from occurring.