# Plumbing (Residential) Assessment

## Description
Evaluates the knowledge and skills necessary for entry-level to mid-level residential plumbers to perform installation, maintenance, and repair of plumbing systems in homes. Tests understanding of pipe materials, fittings, and connections used in water supply and drain systems. Measures knowledge of tools and techniques for cutting, joining, and sealing pipes. Evaluates familiarity with fixtures such as toilets, sinks, faucets, and water heaters. Checks understanding of drainage, waste, and vent systems and how they function together. Tests knowledge of water pressure, flow, and the principles that govern them. Gauges ability to identify and repair leaks, clogs, and failures in systems. Measures understanding of codes and regulations that apply to residential plumbing work. Evaluates knowledge of shutoff valves, supply lines, and methods for isolating sections of systems. Tests familiarity with water heater installation and maintenance, including connections and safety devices. Checks knowledge of inspection and troubleshooting methods used to diagnose problems. Measures understanding of materials and methods for rough-in work during construction. Gauges knowledge of backflow prevention and protection of potable water supplies.

## Competencies Measures
- Drain, Waste, and Vent (DWV) Systems
- Drain, Waste, and Vent (DWV) Systems (Free Text Responses)
- Fixtures: Installation and Repair
- Leak and Clog Diagnosis and Repair
- Pipes, Fittings, and Connections
- Pipes, Fittings, and Connections (Free Text Responses)
- Water Heater Installation and Maintenance
- Water Supply Systems and Pressure

## Metadata
- **Duration:** 17.0 Minutes
- **Language:** English (US)
- **Type:** Skills/Knowledge Assessment (Test)
- **Last Updated:** July 5, 2026

## Catalog Link
View additional details or to administer the assessment to a candidate here:
[View in Online Test Catalog](https://www.hravatar.com/ta/tests/9495/plumbing-residential.html)