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a lavatory is strictly for hand-washing while a sink is considered miscellaneous and can be used for service, utility, kitchen and laundry basins.

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What is the height of a lav waste?

The height of a lavatory waste, often referred to as a lavatory drain or sink waste, typically varies depending on the installation and plumbing codes. Generally, it is positioned about 18 to 20 inches above the finished floor to accommodate standard sink heights and plumbing. However, exact measurements can vary based on local regulations and specific sink designs. Always consult local plumbing codes or a professional plumber for precise requirements.


Why does a bathroom sink drain get stopped up?

Most times a bath / lavatory sink will stop water flow because of hair that accumulates in the trap of the drain ,The trap is the upside"S"underneath the sink ...Try using liquid plumber foaming pipe snake that you can buy at your favorite grocery store.


Minimum distance below sink to trap?

What is the minimum distance between the bottom of a sink and the trap attachment for a bathroom sink


How do you fix a leaking lavatory drain?

Depending where it is leaking, a toilet may need to be replaced entirely. If it is more than twenty years old, that may be a wise precaution. Leaking from the bottom may mean that you need to remove the toilet, replace the wax ring and bolt it back down. For a sink, it is all about the piping and fixtures, in most cases. I have had a cast iron sink leak, though.


What is the correct way of connecting a washing machine waste vent to an existing bathroom sink vent?

when using the same vent stack as a lavatory you must cut in the 2" sanitary tee for the washing machine trap below the 2"X1 1/2" tee catching the sink waste. the lower the better. Try not to exceed 24" from washer drain outlet to washer trap. Also,Never flush a major fixture past a minor fixture

Related Questions

What are other names are there for lavatory?

Sink, bathroom sink.


Will I be able to attached LaToscana Elba Single Control Lavatory Faucet work on a very old sink?

no, iyou will not be able to attached LaToscana Elba Single Control Lavatory Faucet work on a very old sink


What are the main differences between a sink and a lavatory?

A sink is a general term for a basin used for washing hands or dishes, while a lavatory specifically refers to a bathroom fixture used for washing hands and face. Lavatories are typically found in bathrooms, while sinks can be found in kitchens, bathrooms, or other areas for various purposes.


What is the minimum distance between a urinal and a lavatory sink in a Ada compliant bathroom?

In an ADA-compliant bathroom, the minimum distance between a urinal and a lavatory sink should be at least 24 inches center-to-center. This spacing ensures adequate maneuvering room for individuals with disabilities. Additionally, the urinal must be installed at a height that is accessible for all users, typically 17 inches maximum from the floor to the rim.


How do you find the code for the minimum distance between a toilet and a lavatory sink?

The minimum distance is 15 inches from the center of the closet shoe or toilet to the edge of the lav or vanity.


How would you use the word lavatory in a sentence?

The boy's lavatory had three urinals and two toilet stalls.The girl's lavatory had five toilet stalls, but girls do not use urinals.A pipe burst, flooding the lavatory floor with hot water.


Can you use a lavatory drain designed for sinks with overflow holes if your sink does not have overflow holes?

Yes, they work in either.


What is 7 major fixtures in plumbing?

Tub, shower, toilet, hot water tank, urinal, sink, lavatory, dishwasher


Can the drain on a lavatory sink be 5 inches from the outtake pipe and still drain when connected?

Of course it can as water flows down hill


What is the sink in a bathroom called?

The sink in a bathroom is commonly referred to as a "lavatory" or "bathroom sink." It is designed for personal hygiene activities, such as washing hands and brushing teeth. Lavatories can come in various styles and materials, often featuring a faucet and a drain system.


What is the difference between a console sink and a normal sink?

To best differentiate the two look at the nut nozzle on the exterior platform of the sink. If it is wide then it is console and if it is narrow it must then be normal.


What is the difference between a washroom and a bathroom?

Generally, a washroom has a sink and toilet. A bathroom has a sink, toilet and tub. But the words are often used interchangeably.