How many drainage fixture units (DFU) is a standard residential toilet assigned?

A standard residential toilet is assigned 4 drainage fixture units (DFU).

How many drainage fixture units (DFU) is a standard bathtub assigned?

A standard bathtub is assigned 2 drainage fixture units (DFU).

How many drainage fixture units (DFU) is a residential kitchen sink assigned?

A residential kitchen sink is assigned 2 drainage fixture units (DFU).

How many drainage fixture units (DFU) is a clothes washing machine standpipe assigned?

A clothes washing machine standpipe is assigned 2 drainage fixture units (DFU).

How many drainage fixture units (DFU) is a lavatory (bathroom sink) assigned?

A lavatory is assigned 1 drainage fixture unit (DFU).

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Fixtures & Fittings – Plumber Journeyman Exam

Master the essential concepts of plumbing fixtures and fittings for the Journeyman Plumber Exam. This deck covers fixture unit values, installation requirements, trap specifications, and fitting types to help you pass your licensing exam with confidence.

22 cards Intermediate Fixture Units & Drainage Traps & Venting Fitting Types & Applications Fixture Installation Requirements

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