DOUBLE CHECK VALVES - CONTINUED
STANDARD DOUBLE CHECK VALVE INSTALLATION
Before replacing fittings, wrap clean threads with Teflon tape (page 2-142).
Check fitting, markings, and replace in original positions to insure proper hookup.
Coupling (9) and two
Screw in, and tighten using 11l1inch
18. Bracket (11)
Valve (8), screw
Screw on, and tighten using 1/2-inch
(12), and nut (13)
socket, extension, handle, and
Check tags on lines from removal to insure proper hookup.
19. Two elbows (10)
Two lines (14)
Screw on, and tighten using 5/8-inch and
20. Coupling (9)
Screw on, and tighten using 1/8-inch and