Kit Components
The upgrade kit includes the activation module, ground
wire, and power adapter (ordering code 88003050).
The retrofit kit includes the flood sensor and related
A. Activation module with an 8' 4-conductor cable
C. Included in the retrofit kit only:
Flood Sensor, size 21/2" to 3" or size 4" to 10"
Sensor mounting bolts
Sensor O-ring
Requirements
• 1/2" Wrench for flood sensor size 21/2" to 3" or
⁄
" wrench for flood sensor size 4" to 10"
9
16
(retrofit installation only)
• Power source, ranging from 12V to 24V
• #2 Phillips screwdriver
• Wire stripper
Installing the Flood Sensor
NOTICE
Only for existing installations of the backflow
preventer without the flood sensor.
Lay out the flood sensor, O-ring, mounting bolts, and
wrench for this segment of the installation.
1. Insert the O-ring into the groove on the top of the
flood sensor.
2. Use the two mounting bolts to attach the flood sensor
to the relief valve.
If an air gap is attached, use the mounting bolts to
install the flood sensor between the relief port of the
backflow valve and the air gap.
3. Use the wrench to tighten the bolts up to
120 in-lb (10 ft-lb). Do not overtighten.
components, activation module, ground wire, and power
adapter (ordering code 88003051, sizes 21/2" to 3";
ordering code 88003054, sizes 4" to 10").
B. 24V DC power adapter (requires a 120VAC, 60Hz,
GFI-protected electrical outlet)
D. Ground wire
2