Control Buttons
Select programming mode
Turn ON/OFF program
Start/stop a manual cycle
Move left/right to select a value
Raise/lower the selected value
4. ANTI
-
SIPHON VALVE INSTALLATION
The ECO1 ASV.075 can be installed directly to PVC pipe. (Inlet 3/4 in. FNPT, outlet
3/4 in. FNPT.)
Operating pressure: 10 to 125 PSI
Recommended operating pressure: 10 to 80 PSI
NOTE: Wrap all fittings with Teflon tape.
Do not use pipe cement on the valve as this will damage the valve and void
the warranty.
Make sure when wrapping fittings with Teflon tape that no excess gets into the
internal assembly. Tighten the fittings with a wrench, but do not over tighten.
NOTE: The ECO1 ASV.075 must be installed at least 6 in. higher than the highest
sprinkler head on the system or back-drainage may occur. Additional control
valves must not be installed downstream of the anti-siphon valve. The valve must
not be operated continuously for more than 12 hours in any 24-hour period.
Consult local codes for specific details.
1. Flush main line until water runs clear before installation.
2. Shut off main water supply.
3. Install the anti-siphon valve directly to PVC pipe using 3/4 in. PVC male adapter
or use Schedule 80 nipple. The arrow on valve body indicates direction of water
flow (see Figure 6).
7
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