Wilkins

Model

975XL

Description
Specification
Parts Breakdown

The Wilkins 975XL is a reduced pressure assembly (RPA). It is available in 1/4″-2″ sizes and has been in production since 1993. The body is bronze. A lead free version was introduced in 2010.

Spec Sheet

Parts Breakdown

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product
2nd Check Spring

Part #: 952-33
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Inlet Shutoff Valve

Part #: 850TBVLF-34
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Inlet Shutoff Valve

Part #: 850TBVLF-12
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Inlet Shutoff Valve

Part #: 850TBVLF-2
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Inlet Shutoff Valve

Part #: 850TBVLF-112
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Inlet Shutoff Valve

Part #: 850TBVLF-114
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Inlet Shutoff Valve

Part #: 850TBVLF-1
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2nd Check Spring

Part #: 554-33
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Check Seat O-ring

Part #: 136N
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2″ 975XL2 w/QT

Part #: 975LF-2
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1 1/2″ 975XL2 w/QT

Part #: 975LF-15
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Air Gap

Part #: AG-5
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1 1/4″ 975XL2 w/QT

Part #: 975LF-12
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1″ 975XL2 w/QT

Part #: 975LF-1
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Air Gap

Part #: AG-4
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3/4″ 975XL2 w/QT

Part #: 975LF-7
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Air Gap

Part #: AG-8
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1/2″ 975XL2 w/QT

Part #: 975LF-5
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2″ x Close LF Brass Nipple

Part #: NBR08CL
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2″ LF Brass Wye Strainer w/Plug

Part #: 145T08LF
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1 1/2″ x Close LF Brass Nipple

Part #: NBR07CL
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1 1/2″ LF Brass Wye Strainer w/Plug

Part #: 145T07LF
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1 1/4″ x Close LF Brass Nipple

Part #: NBR06CL
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1 1/4″ LF Brass Wye Strainer w/Plug

Part #: 145T06LF
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1″ x Close LF Brass Nipple

Part #: NBR05CL
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1″ LF Brass Wye Strainer w/Plug

Part #: 145T05LF
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3/4″ x Close LF Brass Nipple

Part #: NBR04CL
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3/4″ LF Brass Wye Strainer w/Plug

Part #: 145T04LF
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3/4″ Thread Sealant Tape

Part #: TF-7
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1/2″ Thread Sealant Tape

Part #: TF-5
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1/2″ LF Brass Wye Strainer w/Plug

Part #: 145T03LF
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1/2″ x Close LF Brass Nipple

Part #: NBR03CL
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Outlet Shutoff Valve

Part #: 850BVLF-2
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Shutoff Valve

Part #: 850TBVLF-2
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Outlet Shutoff Valve

Part #: 850BVLF-112
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Shutoff Valve

Part #: 850TBVLF-112
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Relief Valve Seat O-ring

Part #: 029N
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Relief Valve Seat

Part #: 974-18
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Relief Valve Disc

Part #: 974-12S
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Relief Valve Spring

Part #: 974A-33
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Relief Valve Diaphragm

Part #: 974-43
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Relief Valve Stem O-ring

Part #: 121N
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Relief Valve Stem Assembly

Part #: 974-50S
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Seat Kit

Part #: RK114-975XLSK
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1st Check Spring

Part #: 5754-33
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Complete Rubber Rebuild w/Springs

Part #: RK114-975XL
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Relief Valve Internal Module

Part #: RK114-975VT
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Relief Valve Rubber Rebuild

Part #: RK114-975XLRVR
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2nd Check Assembly

Part #: RK114-975XL-CK2
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1st Check Assembly

Part #: RK114-975XL-CK1
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Complete Internal Parts Kit

Part #: RK114-975XLC
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Relief Valve Cover

Part #: RK114-RV-COVER
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Complete Rubber Rebuild

Part #: RK114-975XLR
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Check Seat

Part #: 954-18S
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1st or 2nd Check Spring

Part #: 554-33
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Check Disc

Part #: 954-12S
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Poppet

Part #: 954-300S
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Check Cover Kit (Includes 2 Covers & O-rings)

Part #: RK114-CK-COVER
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Outlet Shutoff Valve

Part #: 850BVLF-114
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Check Cover O-Ring

Part #: 153N
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Check Cover

Part #: 954-3XL2-010F
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Shutoff Valve

Part #: 850TBVLF-114
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Test Cock (1/4″ x 1/4″ )

Part #: TCS-14
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Outlet Shutoff Valve

Part #: 850BVLF-1
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Shutoff Valve

Part #: 850TBVLF-1
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Relief Valve Seat

Part #: 972-18
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Relief Valve Seat O-ring

Part #: 019N
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Relief Valve Spring

Part #: 972A-33
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Relief Valve Diaphragm

Part #: 972-43
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Relief Valve Disc

Part #: 972-12S
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Relief Valve Stem Assembly

Part #: 972-50S
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1st Check Spring

Part #: 972-33
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Relief Valve Stem O-ring

Part #: 111N
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Seat Kit

Part #: RK34-975XLSK
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Relief Valve Rubber Rebuild

Part #: RK34-975XLRVR
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Complete Rubber Rebuild w/Springs

Part #: RK34-975XL
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Relief Valve Internal Module

Part #: RK34-975VT
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1st Check Assembly

Part #: RK34-975XL-CK1
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2nd Check Assembly

Part #: RK34-975XL-CK2
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Complete Rubber Rebuild

Part #: RK34-975XLR
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Complete Internal Parts Kit

Part #: RK34-975XLC
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Relief Valve Cover

Part #: RK34-RV-COVER
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Check Seat

Part #: 952-18S
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Check Seat O-ring

Part #: 125N
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Check Disc

Part #: 952-12S
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1st or 2nd Check Spring

Part #: 952-33
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Poppet

Part #: 952-300S
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Check Cover Kit (Includes 2 Covers & O-rings)

Part #: RK34-CK-COVER
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Check Cover

Part #: 952-3XL2-010F
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product
Check Cover O-Ring

Part #: 136N
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product
Outlet Shutoff Valve

Part #: 850BVLF-34
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product
Shutoff Valve

Part #: 850TBVLF-34
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product
Outlet Shutoff Valve

Part #: 850BVLF-12
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product
Shutoff Valve

Part #: 850TBVLF-12
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product
Relief Valve Seat O-ring

Part #: 016N
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product
Test Cock (1/8″ x 1/4″)

Part #: TCS-18
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product
Relief Valve Spring

Part #: 971A-33
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Relief Valve Seat

Part #: 971-18
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Relief Valve Disc

Part #: 971-12S
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Relief Valve Diaphragm

Part #: 971-43
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Relief Valve Stem Assembly

Part #: 971-50S
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product
Relief Valve Stem O-ring

Part #: 011N
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product
Check Seat O-ring

Part #: 020N
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Relief Valve Cover

Part #: RK38-RV-COVER
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Check Seat

Part #: 951-18
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product
1st Check Spring

Part #: 971-33
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Poppet

Part #: 951-300S
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Check Disc

Part #: 951-12S
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Check Cover O-Ring

Part #: 123N
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Seat Removal Tool

Part #: HD-975TOOL
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Check Cover

Part #: 971-3XL2-010F
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Complete Rubber Rebuild w/Springs

Part #: RK14-975XL
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Seat Kit

Part #: RK14-975XLSK
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Complete Rubber Rebuild

Part #: RK14-975XLR
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Complete Internal Parts Kit

Part #: RK14-975XLC
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Backflow Preventer Repair Manual

Part #: BFCAT
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Wilkins

975XL

Select

2nd Check Spring

Inlet Shutoff Valve

Inlet Shutoff Valve

Inlet Shutoff Valve

Inlet Shutoff Valve

Inlet Shutoff Valve

Inlet Shutoff Valve

2nd Check Spring

Check Seat O-ring

2″ 975XL2 w/QT

1 1/2″ 975XL2 w/QT

Air Gap

1 1/4″ 975XL2 w/QT

1″ 975XL2 w/QT

Air Gap

3/4″ 975XL2 w/QT

Air Gap

1/2″ 975XL2 w/QT

2″ x Close LF Brass Nipple

2″ LF Brass Wye Strainer w/Plug

1 1/2″ x Close LF Brass Nipple

1 1/2″ LF Brass Wye Strainer w/Plug

1 1/4″ x Close LF Brass Nipple

1 1/4″ LF Brass Wye Strainer w/Plug

1″ x Close LF Brass Nipple

1″ LF Brass Wye Strainer w/Plug

3/4″ x Close LF Brass Nipple

3/4″ LF Brass Wye Strainer w/Plug

3/4″ Thread Sealant Tape

1/2″ Thread Sealant Tape

1/2″ LF Brass Wye Strainer w/Plug

1/2″ x Close LF Brass Nipple

Outlet Shutoff Valve

Shutoff Valve

Outlet Shutoff Valve

Shutoff Valve

Relief Valve Seat O-ring

Relief Valve Seat

Relief Valve Disc

Relief Valve Spring

Relief Valve Diaphragm

Relief Valve Stem O-ring

Relief Valve Stem Assembly

Seat Kit

1st Check Spring

Complete Rubber Rebuild w/Springs

Relief Valve Internal Module

Relief Valve Rubber Rebuild

2nd Check Assembly

1st Check Assembly

Complete Internal Parts Kit

Relief Valve Cover

Complete Rubber Rebuild

Check Seat

1st or 2nd Check Spring

Check Disc

Poppet

Check Cover Kit (Includes 2 Covers & O-rings)

Outlet Shutoff Valve

Check Cover O-Ring

Check Cover

Shutoff Valve

Test Cock (1/4″ x 1/4″ )

Outlet Shutoff Valve

Shutoff Valve

Relief Valve Seat

Relief Valve Seat O-ring

Relief Valve Spring

Relief Valve Diaphragm

Relief Valve Disc

Relief Valve Stem Assembly

1st Check Spring

Relief Valve Stem O-ring

Seat Kit

Relief Valve Rubber Rebuild

Complete Rubber Rebuild w/Springs

Relief Valve Internal Module