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7

Options and Upgrades 

HG-3 FLUSHING SYSTEM

HYDRO-GUARD® OPTIONS AND UPGRADES 

time, the water quality at a specific 
flush point and automatically initiate 
a flush event when water quality 
conditions warrant.

The Hydro-Guard® S.M.A.R.T. 
flushing system: 
Possible Causes

• Monitors chlorine levels (total or 
free).
• Flushes distribution line when 
residual disinfectant drops below 
acceptable levels.

The following is a brief overview 
and introduction to Hydro-Guard® 
Options. 

LOW LEAD BRASS INTERNAL 
COMPONENTS AND PIPING 
S.M.A.R.T. Monitoring and Flush 
Management

The Hydro-Guard HG-3 can be a 
variety of water quality sensors. The 
S.M.A.R.T. equipped HG-3 will allow 
a utility to remotely monitor, in real-

• Monitoring of pH, flow, 
temperature or turbidity available.
• Two-way real-time communication 
via cellular, wifi, ethernet or 
Blue Tooth®.

MUELLER

®

 | ECHOLOGICS

®

 | HYDRO GATE

®

 | HYDRO-GUARD

®

 | HYMAX

®

 | JONES

®

 | KRAUSZ

®

 | MI.NET

®

 | MILLIKEN

®

 | PRATT

®

 | SINGER

®

 | U.S. PIPE VALVE AND HYDRANT 

1.800.423.1323 – www.muellerwp.com – moreinfo@muellerwp.com

INTERNATIONAL

 – 

1.423.490.9555

 – 

www.mueller-international.com

 – 

international@muellercompany.com

Mueller refers to one or more of Mueller Water Products, Inc. a Delaware corporation (“MWP”), and its subsidiaries. MWP and each of its  
subsidiaries are legally separate and independent entities when providing products and services. MWP does not provide products or services to  
third parties. MWP and each of its subsidiaries are liable only for their own acts and omissions and not those of each other. MWP brands include 
Mueller

®

, Echologics

®

, Hydro Gate

®

, Hydro-Guard

®

, HYMAX

®

, Jones

®

, Krausz

®

, Mi.Net

®

, Milliken

®

, Pratt

®

, Singer

®

, and U.S. Pipe Valve & Hydrant.  

Please see muellerwp.com/brands and krauszusa.com to learn more.

© 2020 Mueller Water Products, Inc. All Rights Reserved. The trademarks, logos and service marks displayed in this document are the property of Mueller Water Products, Inc., its affiliates or 
other third parties. Products marked with a section symbol (§) are subject to patents or patent applications. For details, visit www.mwppat.com. These products are intended for use in potable 
water applications. Please contact your Mueller Sales or Customer Service Representative concerning any other application(s).

LIMITED WARRANTY 

Thls Hydro-Guard"" Automatic Flushing Device Is warranted for one year from the date of delivery. Mueller Co. will repair or replace any defective part or component as long as the Unit is 
installed and operated In accordance with the procedures descrlbed within this manual. Damage or fallure caused by the Improper installation, assembly, disassembly, maintenance or operation 
of the Hydro-Guard Automatic Flushing Device Is not covered by the terms of this warranty. Call Mueller Co. at 877.864.8500 during regular business hours, or contact HydrowGuard at www.
HydroMGuard,com for detalls on warranty service. 

Summary of Contents for Hydro-Guard HG-3

Page 1: ...piping pressure has been relieved 4 Always use all necessary safety equipment and follow all recommended procedures when installing operating and maintaining the Hydro Guard Automatic Flushing Device 5 Perform annual safety inspections and replace worn or defective parts 6 Operate the Hydro Guard Automatic Flushing Device only when fully installed and correctly assembled CAUTION The recommended op...

Page 2: ...ect for possible damage during shipping 2 Excavate a suitably sized ditch ensuring it is connected on one side to the utility s service line trench Remove any debris that might create uneven pressure on the Unit Compact the bottom of the hole in order to minimize settling after installation Place 57 stone then non compacted clean bedding material within the bottom of the hole Turn off service line...

Page 3: ...noids will come from the manufacturer with the plunger already magnetically latched open some zones will default to OPEN Follow the start up procedure for systems with DC Latching Solenoids Page 09 CAUTION For every change to the program in the Mobile App you must exit back to the home screen and tap the blue TRANSMIT button bottom right corner The Application aggregates changes and transmits them...

Page 4: ...red HG 3 Battery Replacement 1 Shut off water supply to unit 2 Use HG A2023 Security Tool to unlock and remove protective Exterior Housing Cover 3 Unscrew protective cap from gray Programming Interface which is located at top of unit 4 Extract battery harness and remove old battery dispose of battery appropriately 5 Connect fresh industrial grade 9 volt lithium or alkaline battery and reinsert it ...

Page 5: ...eak or dead Connection loss from controller to solenoid Solenoid not working properly Obstruction In flow of water Trv this Correction Check If curb stop Is open Change batteries Check connections for corrosion breaks or lack of connection Run a manual flush and confirm the solenoid plunger is kicking out and pulling back in by listening for a click Check to make sure the flow control knob is open...

Page 6: ...embly 4 546329 Riser Assembly 5 546519 Dechlorination System 6 HG S316 Stainless Steel Housing Bracket 7 545729 Centering Star 8 HG S126 Insulation Star Sub Assembly 9 HG S128 Freeze Protection System Sub Assembly 10 545729 Centering Star 11 545738 Splash Pad 12 HG 13105 Latching Rods x 26 13 HG S124 Latching Solenoid Sub Assembly 14 HG S325 Control Valve Sub Assembly 15 546330 Bottom Plate Sub As...

Page 7: ...ts and services MWP does not provide products or services to third parties MWP and each of its subsidiaries are liable only for their own acts and omissions and not those of each other MWP brands include Mueller Echologics Hydro Gate Hydro Guard HYMAX Jones Krausz Mi Net Milliken Pratt Singer and U S Pipe Valve Hydrant Please see muellerwp com brands and krauszusa com to learn more 2020 Mueller Wa...

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