Backflow Preventers | First Supply

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Check Valves & Backflow Preventers
Backflow Preventers

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Zurn® Wilkins

375 Composite Vessel Backflow Preventer, Ductile Iron Body

WIL375D MFG #: 12-375
- Backflow Type: Reduced Pressure
- Ball Valve / Gate Valve Type: Quarter-Turn Ball Valve
- Body Material: Ductile Iron
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Zurn® Wilkins

375 Composite Vessel Backflow Preventer, Ductile Iron Body

WIL375G MFG #: 1-375
- Backflow Type: Reduced Pressure
- Ball Valve / Gate Valve Type: Quarter-Turn Ball Valve
- Body Material: Ductile Iron
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Zurn® Wilkins

375 Composite Vessel Backflow Preventer, Ductile Iron Body

WIL375K MFG #: 2-375
- Backflow Type: Reduced Pressure
- Ball Valve / Gate Valve Type: Quarter-Turn Ball Valve
- Body Material: Ductile Iron
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Zurn® Wilkins

375 Composite Vessel Backflow Preventer, Ductile Iron Body, Reduced Pressure Backflow, 125 lb

WIL375J MFG #: 112-375
- Backflow Type: Reduced Pressure
- Ball Valve / Gate Valve Type: Quarter-Turn Ball Valve
- Body Material: Ductile Iron
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Zurn® Wilkins

375 Composite Vessel Backflow Preventer, Ductile Iron Body, Reduced Pressure Backflow, 125 lb

WIL375H MFG #: 114-375
- Backflow Type: Reduced Pressure
- Ball Valve / Gate Valve Type: Quarter-Turn Ball Valve
- Body Material: Ductile Iron
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Woodford®

37HA-BR Backflow Preventer, 3/4 in, Brass Body

WOO37HABR MFG #: 37HA-BR
- Backflow Type: Double Check
- Body Material: BRASS
- Nominal Size: 3/4 in
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Woodford®

37HD1-BR Backflow Preventer, Brass Body, Double Check Backflow

WOO37HD1BR MFG #: 37HD1-BR
- Backflow Type: Double Check
- Body Material: BRASS
- Nominal Size: 3/4 in
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Woodford®

37HD2-BR Backflow Preventer, Brass Body, Double Check Backflow

WOO37HD2BR MFG #: 37HD2-BR
- Backflow Type: Double Check
- Body Material: BRASS
- Nominal Size: 3/4 in
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Zurn® Wilkins

420XL Pressure Vacuum Breaker Assembly With Integral Freeze Relief Poppet, Cast Bronze Body

WIL420XLF MFG #: 34-420XL
- Ball Valve / Gate Valve Type: Quarter-Turn Ball Valve
- Body Material: Cast Bronze
- End Style: FNPT
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