Mueller Hydro-Guard HG-4, Operating Instructions Manual

6

Parts

HG-4 SUB-SURFACE DISCHARGE UNIT

REPLACEMENT PARTS

ID PART #

DESCRIPTION

1 HG-2201 

UV Protective Housing

2 546553

Dechlorination Sub Assembly

3 HG-S124

Latching Sub Assembly 

4 HG-A2006  TD Key 

5 HG-123100  Low-Pressure Relief Valve 

6 HG-S125

2" Cam-lock 

7 HG-S106 

Bottom Plate Sub Assembly 

8 HGA-BL 

Bluetooth Controller

HG-S106 

HG-4 Bottom Plate Sub Assembly 

HG-S124 

Latching Sub Assembly 

545729  

Centering Star 

HG-02125   1/4" x 1-1/4" Hex Bolt  
HG-13176   1/4" x 3/4" Phil Pan 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-A2006   TD Key 
546372  

HG-4 Sample Port

HG-V116  

Bulkhead Union Brass

HG-13198   1/4 – 20 Threaded Knob
HG-V105  

1/4 Polyurethane tube

HG-123108   1/4" x 1/4" NPT Adaptor 
546531  

HG4 Sample Rod 

HG-V105  

1/4 Polyurethane tube

HG-S325 

HG-4 Valve Sub Assembly 

546550  

HG-4 Outlet Sub Assembly 

HG-S117  

HG-4 Bottom Plate Connection 

546522  

HG-4 Below-Grade Housing 

546526  

HG-4 Latching Rod 

HG-S318 

HG-4 Latching Solenoid 

546535  

HG-4 Main Nipple

546553  

HG-4 Dechlor Sub Assembly

4

1

5

7

6

2

3

8