Gas Fitter Practice Test

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Study for the Gas Fitter Test. Enhance your knowledge with flashcards and multiple-choice questions, each accompanied by hints and explanations. Ace your exam!

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What is the pressure and temperature setting on a T/P relief valve for a domestic 60-gallon hot water tank?

150 psi and 210°F
125 psi and 180°F
100 psi and 210°F
210 psi and 150°F

The correct answer is: 150 psi and 210°F

The correct setting for a T/P (Temperature and Pressure) relief valve for a domestic 60-gallon hot water tank is typically 150 psi and 210°F. This pressure setting is significant because it ensures that the relief valve can effectively manage the pressure that builds up in the tank as water heats. The temperature setting corresponds to the maximum safe operating temperature for water heaters, as temperatures above this can lead to dangerous situations, including the risk of tank failure or scalding. By adhering to these standards, which are often dictated by local codes and manufacturer specifications, the safety and functionality of hot water tanks are maximized, preventing potential hazards that could arise from overpressure or excessive heat.