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  • HRZ Valve Filter Regulator Troubleshooting

HRZ Valve Filter Regulator Troubleshooting

Table of Contents
  • The valve will not open electrically
    • The valve is incorrectly installed.
    • Wiring is incorrect
    • There is debris in the porthole.
    • Defective solenoid
    • The solenoid plunger is stuck.
  • The valve will not close.
    • The valve is installed incorrectly.
    • The solenoid plunger is stuck
    • Rock or debris is in-between the washer and the valve seat
    • Diaphragm has ruptured
  • External valve leaks
    • PVC fittings going to valve installed incorrectly
    • The pressure is too high.
    • Leaking below solenoid
  • Parts Listing

In the rare case that your Hydro-Rain 3-in-1 Micro Irrigation Valve does not operate as intended, attempt the following solutions:

The valve will not open electrically #

First, run the valve manually by opening the manual bleed lever (turn counter-clockwise). Close the manual bleed lever when the manual test is complete.

The valve is incorrectly installed. #

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

Wiring is incorrect #

Make sure that the arrows are in the direction of water flow. Check wiring at the valve and the controller with the instructions. Check to see that the controller is working correctly.

There is debris in the porthole. #

Turn off water. Remove the solenoid. Push a wire or large paper clip down through the round porthole working it up and down to free any debris. Be sure the plunger and o-ring are in place when reassembling.

Defective solenoid #

Turn off water. Unscrew the solenoid and replace it with one from a working valve. If the valve works, replace the solenoid. Be sure the plunger and o-ring are in place when reassembling.

The solenoid plunger is stuck. #

Turn off water. Remove the solenoid and clean out sand and debris. Be sure the plunger and o-ring are in place when reassembling.

The valve will not close. #

The valve is installed incorrectly. #

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

The solenoid plunger is stuck #

Turn off water. Remove the solenoid and clean out sand and debris. Be sure the plunger and o-ring are in place when reassembling.

Rock or debris is in-between the washer and the valve seat #

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

Diaphragm has ruptured #

Turn off water. Remove the lid and inspect the diaphragm for tears. Replace the diaphragm assembly if torn.

External valve leaks #

PVC fittings going to valve installed incorrectly #

Use thread seal tape generously on threads and tighten firmly. Do not overtighten.

The pressure is too high. #

Install a pressure regulator upstream of the valve and set it at about 80 PSI (5.5 bars).

Leaking below solenoid #

Turn off water. Tighten solenoid.

Parts Listing #

LetterDescription
ASolenoid
BSolenoid Plunger
CBleed Lever
DSolenoid Adapter O-ring (Not Illustrated)
EJar-top Ring
FValve Lid with Solenoid Adapter installed
GSpring
HDiaphragm Assembly
IDiaphragm Support Ring
JFlush Cap
KFilter Housing
LFilter Housing O-ring
MFilter O-rings (one on each end)
NFilter
OFilter Reciever
PFilter Reciever O-ring
Q30 PSI Pressure Regulator Assembly
Troubleshoot
What are your Feelings
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Updated on January 19, 2023
HRZ Valve Filter Regulator

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Table of Contents
  • The valve will not open electrically
    • The valve is incorrectly installed.
    • Wiring is incorrect
    • There is debris in the porthole.
    • Defective solenoid
    • The solenoid plunger is stuck.
  • The valve will not close.
    • The valve is installed incorrectly.
    • The solenoid plunger is stuck
    • Rock or debris is in-between the washer and the valve seat
    • Diaphragm has ruptured
  • External valve leaks
    • PVC fittings going to valve installed incorrectly
    • The pressure is too high.
    • Leaking below solenoid
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