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MUELLER

®

 | ECHOLOGICS

®

 | HYDRO GATE

®

 | HYDRO-GUARD

®

 | HYMAX

®

 | JONES

®

 | KRAUSZ

®

 | MI.NET

®

 | MILLIKEN

®

 | PRATT

®

 | SINGER

®

 | U.S. PIPE VALVE AND HYDRANT 

800.423.1323 – www.muellercompany.com – [email protected]

INTERNATIONAL

 – 

1.423.490.9555

 – 

www.mueller-international.com

 – 

[email protected]

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.

© 2021 Mueller SV, Ltd. 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 800.423.1323 during regular business hours, or contact  
Hydro-Guard at www.HydroMGuard.com for detalls on warranty service. 

Summary of Contents for Hydro-Guard HG-4

Page 1: ...d internal 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 Flush...

Page 2: ...ine feed 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...

Page 3: ...enoids 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 C...

Page 4: ...HG 4 Battery Replacement 1 Remove protective external cover and unlatch the cover of the Internal protective sleeve 2 Unscrew the cap off the watertight housing of the integrated Bluetooth programmin...

Page 5: ...Integrated Sample Station Included A standard feature on the HG 4 Sub Surface Discharge Unit Hydro Guard s Sample Port allows the end user to collect the sample You may wish to run a brief manual mod...

Page 6: ...an Screw HG S128 Relief Valve Sub Assembly HG S126 Insulation Star Sub Assembly 546549 HG 4 Top Plate Sub Assembly HG 2201 DIV 1021 R HG 21088 HG 4 Name Plate HG V129 Silver Thermal Insulation HG A200...

Page 7: ...7 NOTES...

Page 8: ...V Ltd 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...

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