Water Heaters · Safety Components
T&P Relief Valve Discharge Pipe
The pipe that safely directs water discharged from the temperature and pressure relief valve to a floor drain or outside location. Required by plumbing codes to prevent scalding and water damage. Must be same diameter as valve outlet (typically 3/4"), sloped downward, and terminate within 6" of floor or drain.
Common uses
Safe discharge routing, preventing scalding, code compliance
Common symptoms
- Missing discharge pipe
- Improper termination
- Water damage
- Code violation
Common repairs
- Discharge pipe installation
- Pipe replacement
- Termination correction
Related terms
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