860 Large
Discontinued - Replaced By: LF860 Large
MasterSeries Reduced Pressure Zone Assembly Backflow Preventers - Large Diameter
860 Large
Discontinued - Replaced By: LF860 Large
MasterSeries Reduced Pressure Zone Assembly Backflow Preventers - Large Diameter
MasterSeries 860 reduced pressure zone assembly backflow preventers are used to protect against high hazard (toxic) fluids in water services to industrial plants, hospitals, morgues, mortuaries, and chemical plants. They are also used in irrigation systems, boiler feed, water lines and other installations requiring maximum protection. They feature an epoxy coated ductile iron body and OSY shutoff valves. Maximum Working pressure is 175 psi (12.1 bar).
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.
Literature
Select a Model
Select options below to identify the UPC, Order Code, and Repair Kit for a specific 860 Large
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| Model | Product Used On - Series or Model | Kit Contents |
|---|---|---|
|
FRK 850/856/860/870V/876V/880V-S 2 1/2-3
Seat Ring/Arm Kit |
</br>850, 880V</br> |
Seat Ring and Arm Assembly, Seat Gasket, Cover O-ring, 4 Nuts</br> |
|
FRK 850/860-C-T 2 1/2-3
Cover Kit |
</br>850, 860</br> |
Epoxy Coated Cover, Expansion Pin, O-ring, Bearing Socket</br> |
|
FRK 850/870V SM2 2 1/2-3
Check Module Kit-Outlet |
</br>850, 870V</br> |
Spring Assembly, Load Pin, 2 Retainer Clips, Cover O-ring</br> |
|
FRK 860/880V SM1 2 1/2-3
Check Module Kit-Inlet |
</br>860, 880V</br> |
Spring Assembly, Load Pin, 2 Retainer Clips, Cover O-ring</br> |
|
FRK 860-CK1 2 1/2-3
Check Replacement Kit-Inlet |
</br>860</br> |
Check Cover O-ring, Cover Bearing Socket, Pivot Bearing, Spring Assembly, Load Pin, 2 Retainer Clips, Seat Disc Assembly, Washer, Nut, Seat Ring/Arm Assembly, Seat Ring Gasket, 4 Elastic Nuts</br> |
|
FRK 860-RC3 2 1/2-3
Check Rubber Parts Kit |
</br>860</br> |
2 Jam Nuts, 4 O-rings, 2 Washers, 2 Check Discs, 2 Seat Ring Gaskets, 4 Bulk Head Fitting Gaskets, Sensing Line Gasket, Bearing Socket, RV Extension</br> |
|
FRK 860-RT 2 1/2-3
Complete Rubber Parts Kit |
</br>860</br> |
6 O-rings, 2 Jam Nuts, 2 Washers, Outer/ Inner Diaphragm, RV Seat Disc, 2 Check Discs, 2 Seat Ring Gaskets, Sensing Line Gasket, 4 Bulk Head Gaskets, 2 Bearing Sockets, RV Extension</br> |
|
FRK 870/876V-RT 2 1/2-3
Complete Rubber Parts Kit |
</br>870, 876V</br> |
2 Seat Discs, 2 Seat Gaskets, 2 Cover O-rings, 2 Cover Bushings, Cover Plate Gasket and O-ring, 4 Bulk Head Gaskets</br> |
|
FRK 880/880V-D 2 1/2-3
Disc Kit |
</br>880, 880V</br> |
Seat Disc Assembly, Cover O-ring, Nut, Washer, Lube</br> |
|
FRK 880V
Relief Valve Rubber Parts Kit |
</br>8860, 880V</br> |
2 O-rings, Outer/Inner Diaphragm, Seat Disc, Sensing Line Gasket</br> |
|
FRK 880V-RT 2 1/2-3
Complete Rubber Parts Kit |
</br>880V</br> |
2 Seat Discs, 2 Seat Gaskets, 2 Cover O-rings, 2 Cover Bushings, Cover Plate Gasket and O-ring, 4 Bulk Head Gaskets, Relief Valve Rubber Components</br> |
|
FRK 850/860-C-T 4
Cover Kit |
</br>850, 856, 860, 870, 880</br> |
Cover, Expansion Pin, Socket Bearing, O-ring</br> |
|
FRK 850/870V SM2 4
Check Module Kit-Outlet |
</br>850, 870V</br> |
Spring Assembly, Load Pin, 2 Retainer Clips, Cover O-ring</br> |
|
FRK 856/860/870V/876V-S 4
Seat Ring/Arm Kit |
</br>850, 880V</br> |
Seat Ring and Arm Assembly, Seat Gasket, Cover O-ring, 4 Nuts</br> |
|
FRK 860 D 4
Disc Kit |
</br>860</br> |
Nut, Washer, O-ring, Check Disc</br> |
|
FRK 860/880V SM1 4
Check Module Kit-Inlet |
</br>860, 880V</br> |
Spring Assembly, Load Pin, 2 Retainer Clips, Cover O-ring</br> |
|
FRK 860/880V-VT 2 1/2-10 INT ASSY
Relief Valve Internal Module Kit |
</br>8860, 880V</br> |
Module Assembly, Outer Diaphragm</br> |
|
FRK 860/880V-VT 2 1/2-10 TOTAL
Relief Valve Kit |
</br>860, 880V</br> |
Seat Ring, 2 O-rings, Outer/Inner Diaphragm, Sensing Line Gasket, Retainer, Main Guide, Flow Screw, Slip Ring, Seat Disc, Aux Guide, Flow Washer, Stem and Spring</br> |
|
FRK 860-CK1 4
Check Replacement Kit-Inlet |
</br>860</br> |
Check Cover O-ring, Cover Bearing Socket, Pivot Bearing, Spring Assembly, Load Pin, 2 Retainer Clips, Seat Disc Assembly, Washer, Nut, Seat Ring/Arm Assembly, Seat Ring Gasket, 4 Elastic Nuts</br> |
|
FRK 860-CK2 4
Check Replacement Kit-Outlet |
</br>860</br> |
Cover O-ring, Socket Bearing, Pivot Bearing Spring, Spring Module Assembly, Seat Disk Assembly, Seat Ring/Arm Assembly</br> |
|
FRK 860-RC3 4
Check Rubber Parts Kit |
</br>860</br> |
2 Jam Nuts, 4 O-rings, 2 Washers, 2 Check Discs, 2 Seat Ring Gaskets, 4 Bulk Head Fitting Gaskets, Sensing Line Gasket, Bearing Socket, RV Extension</br> |
|
FRK 860-RT 4
Complete Rubber Parts Kit |
</br>860</br> |
6 O-rings, 2 Jam Nuts, 2 Washers, Outer/ Inner Diaphragm, RV Seat Disc, 2 Check Discs, 2 Seat Ring Gaskets, Sensing Line Gasket, 4 Bulk Head Gaskets, 2 Bearing Sockets, RV Extension</br> |
|
FRK 860-VT
Relief Valve Kit |
</br>860</br> |
Main Assembly with Internals, Seat Ring, Elbow, 3 O-rings, Sensing Line Gasket, Extension, 8 Bolts, 8 Nuts, 4 Washers</br> |
|
FRK 850/856/870/876-RT 6
Complete Rubber Parts Kit |
</br>850, 856, 870, 876</br> |
2 Seat Discs, 2 Seat Gaskets, 2 Cover O-rings, 2 Cover Bushings, Cover Plate Gasket and O-ring, 4 Bulk Head Gaskets</br> |
|
FRK 850/856/870V/876V-D 6
Disc Kit |
</br>850, 856, 807V, 876V</br> |
Seat Disc Assembly, Cover O-ring, Nut, Washer, Lube</br> |
|
FRK 850/856/870V/880V-BFBC
Bulkhead Fitting Kit |
</br>850, 856, 870V, 880V</br> |
Bulk Head Fitting, Gasket, Nut</br> |
|
FRK 850/860-C-T 6
Cover Kit |
</br>850, 860</br> |
Cover, Expansion Pin, Socket Bearing, O-ring</br> |
|
FRK 850/870V SM2 6
Check Module Kit-Outlet |
</br>850, 870V</br> |
Spring Assembly, Load Pin, 2 Retainer Clips, Cover O-ring</br> |
|
FRK 856/876V SM 6
Single Check Kit |
</br>856, 876V</br> |
Spring Assembly, Load Pin, 2 Retainer Clips, Cover O-ring</br> |
|
FRK 856/876V-CK4 6
Check Kit |
</br>856, 876V</br> |
Seat Ring and Arm Assembly, Seat Gasket, Check Disc Assembly, Spring Assembly, Load Pin, 2 Retainer Clips, Cover O-ring Cover Bushing, 4 Nuts</br> |
|
FRK 860 D 6
Disc Kit |
</br>860</br> |
Nut, Washer, O-ring, Check Disc</br> |
|
FRK 860/880V SM1 6
Check Module Kit-Inlet |
</br>860, 880V</br> |
Spring Assembly, Load Pin, 2 Retainer Clips, Cover O-ring</br> |
|
FRK 860-CK1 6
Check Replacement Kit-Inlet |
</br>860</br> |
Check Cover O-ring, Cover Bearing Socket, Pivot Bearing, Spring Assembly, Load Pin, 2 Retainer Clips, Seat Disc Assembly, Washer, Nut, Seat Ring/Arm Assembly, Seat Ring Gasket, 4 Elastic Nuts</br> |
|
FRK 860-CK2 6
Check Replacement Kit-Outlet |
</br>860</br> |
Cover O-ring, Socket Bearing, Pivot Bearing Spring, Spring Module Assembly, Seat Disk Assembly, Seat Ring/Arm Assembly</br> |
|
FRK 860-RC3 6
Check Rubber Parts Kit |
</br>860</br> |
2 Jam Nuts, 4 O-rings, 2 Washers, 2 Check Discs, 2 Seat Ring Gaskets, 4 Bulk Head Fitting Gaskets, Sensing Line Gasket, Bearing Socket, RV Extension</br> |
|
FRK 860-RT 6
Complete Rubber Parts Kit |
</br>860</br> |
6 O-rings, 2 Jam Nuts, 2 Washers, Outer/ Inner Diaphragm, RV Seat Disc, 2 Check Discs, 2 Seat Ring Gaskets, Sensing Line Gasket, 4 Bulk Head Gaskets, 2 Bearing Sockets, RV Extension</br> |
|
FRK 880/880V-D 6
Disc Kit |
</br>880, 880V</br> |
Seat Disc Assembly, Cover O-ring, Nut, Washer, Lube</br> |