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Assembly

5.  Unscrew the cap of the 
 

Pressure-Regulating Filter 

 

and remove the filter element.  

6.  Replace cap without filter element.
7.  Activate flow through the valve the valve
 

either manually or using the controller.  To

 

Manually activate, turn the solenoid handle 

 

counter-clockwise ½ to ¾ turns.

8.  Run water several minutes to flush the system.
9.  Replace the filter element.
10.  Prepare poly tubing 16mm to 18mm OD by cutting
 

the tubing at least 1½” away from any emitter.

11.  Check to see that the cut is clean and the tubing is not
 

deformed (out of round).

12.  Insert the tubing end into the Multi-Diameter Fitting, centering
 

the tube on the white insert of the fitting.  The tube should slide

 

freely into the fitting for approximately ½” before meeting resistance.

13.  After initial resistance, continue to insert the tube an additional ¾” until the tube
 

reaches a full stop.

Note:  Multi-diameter fittings cannot be reused.

Operation / Maintenance

1.  Periodically remove the filter element.
2.  If dirty, rinse the filter element in water before reinstalling.

Winterization

In a freezing climate, water should be removed from the irrigation system before 
freezing occurs.  For more information, please refer to Rain Bird’s Winterization Guide, 
available at 

www.rainbird.com

.

Technical Assistance

Internet:  

www.rainbird.com

Toll Free: 

800-247-3782

Thank you for using our products.

1.  Apply Teflon™ tape (1 ½ to 2 turns) to all male pipe threads.  
 

Do not

 use pipe thread or pipe dope compound.

2.  Hand tighten components in the above configuration, no more than 2 turns past
 

finger tight.  Make sure the flow arrow on the filter in in the correct orientation.

 

 

a.  Low Flow Valve - 1” female NPT to 1” female NPT

 

 

b.  Reducer bushing - 1” male NPT to 3/4” female NPT

 

 

c.  Pressure-Regulating Filter (PRF) - 3/4” male NPT x 3/4” male NPT

 

 

d.  Multi-diameter Fitting (MDF) - 3/4” female NPT to poly tubing

Installation

1.  Install the Low Flow Valve on the water supply line.
2.  Orient the Pressure-Regulating Filter down to prevent debris entering the line
 

when the filter is removed for cleaning.

3.  Do not install tubing or other downstream elements yet.
4.  Connect one solenoid wire to the controller common and the other wire to the
 

controller power.  User only water-tight connectors, such as Rain Bird ST-03.

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