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AUTOMATIC IN-LINE 

PUSH-FIT VALVE

Instructions for Operation

Model HRP-100 
Three Year Warranty

Attaching the Valves

After flushing the lines, install the valve to the PVC-Lock

®

 manifold 

fitting or PVC-Lock

®

 fitting. The valve inlet is 1" PVC pipe, sized for 

installation to 1" PVC-Lock

®

 fittings or 1" PVC slip solvent weld fittings. 

Note arrow for water flow direction.

Attaching Sprinkler Lines

Attach sprinkler lines to the 1" Blu-Lock

®

 outlet of the valve. 1" 

Polyethylene “Poly” pipe of SIDR 15 or SIDR 19 will fit the Blu-Lock

®

 

outlet. Both PVC-Lock

®

 and Blu-Lock

®

 fittings are removable with 

the PVC-Lock

®

 or Blu-Lock

®

 removal tools, therefore no unions are 

necessary.

Running the wire 

With the power off, connect the valves to a Hydro-Rain

®

 controller (or 

other timer that uses a UL

®

 approved 24 Volt Class 2 transformer as 

a power source). Use a multi-colored, multi-strand jacketed sprinkler 
wire. Be sure the wire has at least one more strand than the number of 
valves in the manifold. Trench and run the wire to the valves. In areas 
where you will be frequently digging, it is recommended that you use a 
section of PVC pipe as a protective covering for the wire.

Attaching the Wire 

Attach the common wire to one wire on the solenoid. Attach the zone or 
hot wire to the other wire on the solenoid.

Test the System

After all pipe and fittings have been installed (allowing sufficient
time for PVC glued joints to dry—24 hours, if not using PVC-Lock

®

), 

turn the water supply on and check for leaks with the valves closed. 
The valves may come on momentarily while initially pressurizing the 
line, but will shut off in a few moments after the air flushes out of the 
system.

Open Valves

Turn the solenoid (counter-clockwise) to manually open the valve. Check 
the downstream pipe and fittings for leaks. Close the valve by turning 
the solenoid clock-wise until resistance increases. It may take several 
seconds for the valve to shut off as the pressure builds to close the 
valve. The system is now ready to be controlled electrically from the 
timer.

Draining

In freezing climates, the valves and lines need to be drained. To ensure 
the electric valves are completely drained, turn off the main sprinkler 
shut-off valve and electrically run each valve dry for a few minutes. Turn 
the timer to the “off” position until spring.

Notes:

•  For outdoor use on cold water only. Valves should be placed so that 

water drains away from the house. If you will not be using culinary 
water, you must use a filter up-stream of the valve(s).

• All manifolds should be made of PVC-Lock

®

 fittings or Schedule 40 

PVC pipe and fittings. The use of Hydro-Rain’s PVC-Lock

®

 Manifold 

Fittings is an easy method of building an expandable yet easy to 
service manifold assembly.

• Local codes specify location and type of valves required. Check local 

codes for installation requirements.

• If static water pressure exceeds 80 psi (5,5 bar), a pressure regulator 

should be used.

• Where possible, protect the valves with a valve box and place gravel 

in the bottom.

• Pressure test all water lines and electrically test all timer connections 

before covering pipe and timer control wire. 

Troubleshooting

Problem

Check If

Solution

The valve will not 
open

The valve is installed incorrectly

Make sure that the arrows on the valve are in the direction of water flow. Check the water 
supply line for water pressure.

The valve 
will not open 
electronically

The wiring and timer are installed 
incorrectly

Check the wiring at the valve and at the timer (refer to your timer instructions). Check to 
see that the timer is working properly including the timer’s transformer, fuse (or reset 
button), and programming.

There is debris in the port hole

Turn off the water. Remove the solenoid. Push a wire or large paper clip down through 
the round port hole on the valve body, working it up and down to free any debris. Be sure 
the O-ring is in place when reassembling the solenoid on the valve.

Defective solenoid

Turn off the water. Unscrew the solenoid and replace with one from a working valve. If 
the valve now works, replace the defective solenoid. Be sure the O-ring is in place when 
reassembling.

The valve will not 
close

The valve is installed incorrectly

Make sure that the arrows are in the direction of the water flow.

Defective solenoid

Turn off the water. Remove the defective solenoid and replace with a new one. Be sure the 
O-ring is in place when reassembling the solenoid to the valve.

Rock or debris is between the 
washer and the valve seat

Turn off the water. Remove the valve lid and diaphragm assembly and clean the interior of 
the valve.

Diaphragm filter is clogged

Turn off the water. Remove the lid and make sure the diaphragm hole with the scrubber 
filter in it is free of debris. Move the scrubber up and down in the hole and clear any 
debris.

External valve 
leaks

Spigot inlet side of the valve not fully 
inserted into the PVC-Lock

®

 fitting 

Make sure that the valve inlet fitting is inserted into the PVC-Lock

®

 fitting at least 1". 

Confirm that there is no damage to the PVC-Lock

®

 seal or valve inlet surface that could 

cause leakage.

Blu-Lock

®

 pipe incorrectly installed 

into the outlet

Check that the Blu-Lock

®

 tubing is fully inserted to a depth of at least 1". Remove the pipe 

from the Blu-Lock

®

 socket and remove any debris and check the seal and pipe OD for 

damage.

Pressure is too high

Install a pressure regulator upstream of the valve and set at 80 psi.

Water is leaking around screws

Turn off the water. Remove the lid and confirm that the diaphragm is correctly seated in 
the bead grooves. Check for debris or damage to the valve body, lid, and diaphragm.

Leaking from solenoid to lid joint

Turn off the water. Confirm that the solenoid O-ring is not damaged or missing.

Hydro-Rain

®

 Limited 3 Year Warranty 

Hydro-Rain

®

 warrants to its customers that its Hydro-Rain

®

 products will be free from defects in materials and workmanship for a 

period of three years from the date of purchase. We will replace, free of charge, the defective part or parts found to be defective under 
normal use and service for a period of up to three years after purchase: proof of purchase is required. We reserve the right to inspect 
the defective part prior to replacement. Hydro-Rain

®

 will not be responsible for consequential or incidental cost or damage caused by 

the product failure. Hydro-Rain

®

 liability under this warranty is limited solely to the replacement or repair of defective parts.

1

2

3

4

5

6

7

8

9

5

10

15

20

25

30

35

A

 Wires to timer

B

 Low voltage solenoid

C

 Static Water Pressure Side

D

 To Sprinkler Heads

Solenoid electrical  
specifications:

Inrush volt-amps  
@ 24 VAC = 8.4 VA

Inrush current  
@ 24 VAC = 0.35 AMPS

Holding volt-amps  
@ 24 VAC = 5.5 VA

Holding current  
@ 24 VAC = 0.23 AMPS

Product Features

Friction 

Loss Chart

C

Hydro-Rain
North Salt Lake, 
UT 84054
888-493-7672
801-203-1179
hydrorain.com

PN 02030-24 rC

D

B

A

Printers are responsible 
for meeting print 
production requirements. 
Any changes must be 
approved by Orbit

®

Printed piece must meet 
designated specifications 
on this form.

© 2014 Orbit Inc.  
This work is the property 
of Orbit

®

, and cannot 

be used, reproduced or 
distributed in any way 
without their express 
permission.

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0000

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∙ 

Orbit

®

1.801.299.5555

orbitonline.com

Glue

Folded

Flat

Additional Information

PRINTERS ARE 
REQUIRED TO MATCH 
ALL SPECIFIED  
PMS COLORS.

DATE: 07/13/2016

DESIGNER: KM MARKETING: JM

SOFTWARE: Adobe Indesign CC

ARTWORK №: 37320-29 rC

L:
W:
H:

0.0"

W:
H:

4.25"
3.66"

11"
17"

K

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