The Residential Edition of the Florida Building Code (FBC) and the International Residential Code (IRC) do not address washing machine drain hose attachment. But manufacturer’s installation instructions are specific about requiring that the drain hose be secured, to avoid it jumping out of the standpipe at a surge of pressure in the beginning of the drain cycle of the machine, and flooding the floor. Many manufacturers provide securing devices in the bag of installation supplies. The simplest solution is shown below, securing the drain hose with a zip-tie to one of the fill hoses at a washing machine faucet box, and an example of an unsecured hose simply stuck into the standpipe is shown above.
The diagram below, from a GE installation manual, also shows recommended ways to secure the hose to the side of a standpipe that is not in a washing machine faucet box at #2, and how to secure the hose with a high loop when the standpipe is below 30-inches above the floor at #3—to avoid creating a vacuum that siphons the water out of the machine.
Also, see our blog post What are the most common problems with washing machine installation and maintenance?
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Here’s links to a collection of our other blog posts about PLUMBING PIPES:
• How can I protect my pipes to keep them from bursting during a hard winter freeze in North Florida?
• Can galvanized steel pipe still be used for new water lines in a house?
• How can I tell if I have cast iron pipes in my house?
• Why can't a sanitary tee be used for a horizontal-to-horizontal drain pipe connection?
• What is the difference between green and white sewer drain pipes?
• Is a washing machine drain hose required to be secured at the standpipe?
• What are the abandoned pipes sticking out of the wall in my house?
• What are the code requirements for plumbing vent terminations?
• What are the code requirements for layout of drain piping under sinks?
• What causes a gurgling sound when a bathtub or sink drains?
• What is a "combination waste and vent" in a plumbing system?
• What is a building trap?
• What is a galvanized nipple?
• What are the pipes sticking out near my water valves?
• How do you accurately find a broken water pipe leak under the floor slab?
• What is the difference between water pipe and sewage (waste) pipe?
• Are plastic pipes (PVC, CPVC, and PEX) safe for drinking water?
• Is a hot water faucet handle required to be on the left?
• What is a dielectric union?
• What's that powdery crust on the pipe connections at the water heater?
• If all the plumbing drains have water in them and you can still smell sewer gas, what's causing the problem?
• How can I tell what type of plumbing pipe I have?
• Why is there a flexible accordion pipe under the sink?
• What is the difference between PVC and ABS plumbing pipe?
• What is the difference between water service pipe and water supply pipe?
• What are the pipes on my roof?
• How can I find out what type of water pipe runs underground from the water meter to the house (service pipe)?
• What is a P-trap?
• Why is old galvanized steel water pipe a problem for homebuyers?
• What does polybutylene pipe look like? Why is it a problem?
• Which water pipes are an insurance problem and possibly uninsurable?
• Can you connect CPVC pipe directly to a gas water heater?
Visit our PLUMBING and APPLIANCES pages for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.