A gas water heater is installed in a CA garage. What discharge condition should be checked for the temperature-and-pressure relief valve?
Correct Answer
B) Safe uncapped discharge termination.
A T&P relief valve discharge line must remain open and terminate safely so pressure or hot water can be relieved.
Why This Is the Correct Answer
A T&P relief valve discharge line must remain open and terminate safely so pressure or hot water can be relieved.
Why the Other Options Are Wrong
Option A: The pipe can discharge upward into the attic.
The pipe can discharge upward into the attic. may relate to another site control, but it does not remove or guard the water heater safety exposure being tested.
Option C: The relief valve may be replaced by a pan drain.
The relief valve may be replaced by a pan drain. may relate to another site control, but it does not remove or guard the water heater safety exposure being tested.
Option D: The discharge line can be plugged during inspection.
The discharge line can be plugged during inspection. may relate to another site control, but it does not remove or guard the water heater safety exposure being tested.
Memory Technique
Name the harm before the guard; pipe, upward, attic cannot stand in for Checking Residential.
Reference Hint
Study anchor (closed-book): memorize Water heater safety from California Plumbing Code, California Code of Regulations Title 24. / Title 24 California Plumbing Code water heater relief valve discharge; know the rule or calculation trigger without relying on exam-room lookup.
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