Pressure Relief Valves


Improperly terminated discharge pipe
Improperly terminated Pressure relief valves can lead to serious injuries if left uncorrected. Look at the pressure relief valve in the above picture, notice that while there is a discharge pipe it is only a few inches long. All discharge pipes should extend to about 6 inches off the floor to prevent injury. Pressure relief valves are installed on boilers and water heaters to prevent over pressurization. By design these valves should open when the pressure goes above what the valve is set for.
Properly terminated discharge pipe
In this picture you can see how this discharge pipe is extended to about six inches above the floor which is proper.

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