Fixtures & Water HeatersQuestion 166 of 360
A temperature-and-pressure (T&P) relief valve on a residential storage water heater must be set to open at a temperature no higher than which value?
a.210°F
b.180°F
c.240°F
d.150°F
Explanation
A T&P relief valve protects the tank against overheating and must be rated so its temperature element opens at no more than 210°F. The pressure element is a separate rating. Both must be listed and approved for the appliance.
Law Reference: 2022 California Plumbing Code (CPC) §608.3Practice all 360 questions free — no signup required.
Related questions on this topic
- The pressure element of a water heater T&P relief valve must be set to open at a pressure not exceeding which value?
- The discharge pipe served by a water heater T&P relief valve must be sized so that it is:
- A T&P relief valve discharge pipe terminating outside the building must end how far above the ground or receptor?
- Which condition is required at the terminal end of a water heater relief valve discharge pipe?
- A plumber is routing the discharge from a water heater T&P valve. Which installation is code-compliant?
- How must a water heater relief valve discharge pipe flow to its point of discharge?
Last reviewed: · editorial process
PrepPass Editorial Team · Verified against California CSLB C-36 Plumbing Trade Examination · How we review