4
3. Tighten the bolts to secure the deflector and the flood
sensor. Do not overtighten.
• For Series 009 sizes 1" to 1½" and Series 909 Small
sizes ¾" to 1", use a
3
⁄
16
" Allen wrench.
• For Series 009 sizes 2" to 3" and Series 909 Small sizes
1¼" to 2", use a ½" wench.
1. Align the deflector to fit inside the relief valve. (For Series
009, sizes 1" to 2" only. Some sensor connection kits
include multiple deflectors. Install the deflector designed
specifically for the backflow valve size in use.)
2. Position the flood sensor on the relief valve and insert the
two mounting bolts.
Series 009, sizes 1" – 3"; Series 909 Small, sizes ¾" – 2"
3. Use a #2 Phillips screwdriver to tighten the captive screw.
