Watts TK-9A - Manual (Page 3)

3
Series 909/LF909
Reduced Pressure Zone Backflow Preventer
2 1 ⁄
2
" to 10"
909QT shown
909NRS shown
009QT shown
Test Cock
No. 1
Test Cock
No. 2
Test Cock
No. 3
Test Cock
No. 4
Shutoff
No. 1
Shutoff
No. 2
Check Valve
No. 2
Check Valve
No. 1
Pressure Differential Relief
Valve
Pressure Differential Relief
Valve
Pressure Differential Relief
Valve
Gate Valve
Shutoff
No. 1
Gate Valve
Shutoff
No. 2
Test cock
No. 3
Test cock
No. 4
Test cock
No. 1
Test cock
No. 2
Air Vent
Test cock
No. 3
Test cock
No. 4
Shutoff
No. 1
Test cock
No. 2
Shutoff
No.2
Test cock
No. 1
Series 009/LF009
Reduced Pressure Zone Backflow Preventer
1 ⁄
4
" to 2"
Series 909/LF909
Reduced Pressure Zone Backflow Preventer
1 1 ⁄
4
" to 2"