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Valve Body Service Kits.  

These kits, listed at the right, contain all parts needed 

for a complete reconditioning of a valve body.  Included are a spindle, all poppets 

and spacers, all required gaskets and seals, detent assemblies for valves using 

them, and instructions for use.

Valve-to-Base Gasket.  

If your valve is removed from its base for any reason, a 

new valve-to base gasket must be used to ensure a leak-free seal.  (This gasket 

is already included in valve body service kits.)

Solenoid Coils:  

Replacement coils for solenoid controlled valves can be 

ordered by part number listed in the table below.

Complete Solenoid Pilot Assemblies:  

These assemblies consist of new pilot 

valve mechanisms and a new solenoid coil, ready to bolt in position on the valve.

VALVE SERVICE

5/2 SINGLE CONTROL VALVES

 

Pressure Controlled 

       Solenoid Pilot

No Signal Applied: 

Inlet 1 connected to outlet 2;  outlet 4 

connected to exhaust 5;  exhaust 3 closed.

Signal 14 Applied:  

Inlet 1 connected to outlet 4;  outlet 2 

connected to exhaust 3;  exhaust 5 closed.

5/2 MOMENTARY CONTROL VALVES

 

Pressure Controlled 

    Solenoid Pilot

Signal 12 Applied Momentarily:  

Inlet 1 connected to outlet 2; 

outlet 4 connected to exhaust 5; exhaust 3 closed.

Signal 14 Applied Momentarily:  

Inlet 1 connected to outlet 4;  

Outlet 2 connected to exhaust 3;  exhaust 5 closed.

 

rosscontrols.com 

   3

VALVE OPERATION

Valve Model 

Number

Valve Body

Service Kit

Valve-to-Base 

Gasket

W6456B2411

1017K77

617B11

W6456B2412

1014K77

617B11

W6456B2417

834K77

617B11

W6456B2418

843K77

617B11

W6456B3411

1018K77

618B11

W6456B3412

1015K77

618B11

W6456B3417

835K77

618B11

W6456B3418

844K77

618B11

W6456B4411

1019K77

619B11

W6456B4412

1016K77

619B11

W6456B4417

836K77

619B11

W6456B4418

845K77

619B11

W6476B2401

1017K77

617B11

W6476B2402

1014K77

617B11

W6476B2407

834K77

617B11

W6476B2408

843K77

617B11

W6476B3401

1018K77

618B11

W6476B3402

1015K77

618B11

W6476B3407

835K77

618B11

W6476B3408

844K77

618B11

W6476B4401

1019K77

619B11

W6476B4402

1016K77

619B11

W6476B4407

836K77

619B11

W6476B4408

845K77

619B11

Voltage

Complete Solenoid 

Pilot Assemblies

Replacement 

Solenoid Coils

Part Number

Part Number

24 volts DC, 48 volts AC

851C79165

306K33165

110-120 volts AC, 48 volts DC

851C79166

306K33166

210-220 volts AC, 110 volts DC

851C79167

306K33167

ROSS would be happy to service this valve for you at its factory repair center. 

If you purchased your valve from ROSS please contact ROSS customer 

service, if you purchased your valve thru an authorized ROSS distributor 

please contact the distributor for return instructions. 

However, if you choose to service this valve yourself, it is strongly 

recommended that you visit our website at rosscontrols.com

for available downloadable technical documentation. 

Electrical 

Connector

Electrical Connector Type

Cord Length

meters (feet)

Cord

Diameter

Electrical Connector Model Number

 Without 

Light

Lighted Connector

*

24 Volts DC

120 Volts AC

EN 175301-803 

Form A

Prewired Connector (18 gauge) 

2 (61/2)

6-mm

721K77

720K77-W

720K77-Z

Prewired Connector (18 gauge)

2 (61/2)

10-mm

371K77

383K77-W

383K77-Z

Connector for threaded conduit
(1/2 inch electrical conduit fittings)

723K77

724K77-W

724K77-Z

Connector Only

937K87

936K87-W

936K87-Z

*

Lights in connectors with a translucent housing can be used as indicator lights to show when solenoids are energized.

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