Question

ser. no. 87449r. watts regulator no. 315 - m1 size 3/4 in. set 15 psig cap 375 lbs/hr ns hv asme canadian registration no. og7543.5c © 2013 inspectapedia.com leaking discharge tube missing discharge tube too short discharge tube wrong diameter set at 15 psi

Explanation:

The tag on the device shows "SET 15 PSIG", so the correct option is the one stating it is set at 15 psi. The other options (leaking, discharge tube issues) are not indicated by the tag's information shown.

Answer:

Set at 15 psi