Connect PS10A into alarm port piping extending from alarm check valve.
Retard provisions are not required. Insure that no unsupervised shut-off
valves are present between the alarm check valve and the PS10A.
TESTING: Accomplished by opening the water by-pass test valve or the
inspector's end-of-line test valve. When using end-of-line test, allow time
for excess pressure to bleed off.