Backflow Preventers | First Supply

You have new quote information. View My Dashboard ×

Customer #:

Ship To: {{vm.session.shipTo.lastName}} {{vm.session.shipTo.firstName}},

Change Customer/Ship To

My Account | Sign Out

Sign In
Delivery
Sign Out

Locations
About Us
Careers
Contact Us

Sign Out
Cancel PunchOut

☰

Quick Order

Shop Products ►
Shop Brands

◄ ×

Local warehouse: {{vm.defaultWarehouse}}

My Account

Ship To Name

Pick Up

Delivery Method

{{vm.session.pickUpWarehouse.address1 + " " + vm.session.pickUpWarehouse.address2}}
{{vm.session.pickUpWarehouse.city + ", " + vm.session.pickUpWarehouse.state + " " + vm.session.pickUpWarehouse.postalCode}}

{{vm.session.shipTo.address1 + " " + vm.session.shipTo.address2}}
{{vm.session.shipTo.city + ", " + vm.session.shipTo.state.abbreviation + " " + vm.session.shipTo.postalCode}}

Full Address Unavailable

Open Orders

My Lists

Pay Online

NEW

EVENTS & HOLIDAYS

EXCLUSIVE OFFERS

Home
Valves & Actuation
Check Valves & Backflow Preventers
Backflow Preventers

365 items

Sort by:
Per page:
of 41

Grid List Table

Woodford®

Woodford® Nidel® 34HF-BR Anti-Siphon Vacuum Breaker, 3/4 in, Male Hose Thread, Brass Body, Single Check Backflow

WOO34HFBR MFG #: 34HF-BR
- Backflow Type: Single Check
- Body Material: BRASS
- End Style: Male Hose Thread
View Details
Woodford®

Woodford® Nidel® 37HA-CH Backflow Preventer, 3/4 in, Male Garden Hose ThreadxFemale Garden Hose Thread, Double Check Backflow

WOO37HACH MFG #: 37HA-CH
- Backflow Type: Double Check
- Nominal Size: 3/4 in
View Details
Woodford®

Woodford® Nidel® 50H-BR High Flow Backflow Preventer, 3/4 in, Female Hose ThreadxMale Hose Thread, Brass Body, Double Check Backflow

WOO50HBR MFG #: 50H-BR
- Backflow Type: Double Check
- Body Material: BRASS
- End Style: Female Hose Thread x Male Hose Thread
View Details
Woodford®

Woodford® Nidel® 50HA-BR High Flow Backflow Preventer, 3/4 in Nominal, Female Hose Thread x Male Hose Thread End Style, Brass Body, Dual Check

WOO50HABR MFG #: 50HA-BR
- Backflow Type: Dual check
- Body Material: BRASS
- Domestic / Import: Domestic
View Details
Zurn Elkay

Z1088 Backwater Valve, 4 in, No-Hub, Cast Iron Body, Manual Backflow

ZURZ10884NHBV MFG #: Z1088-4NH-BV
- Backflow Type: Manual
- Body Material: Cast Iron
- End Style: No-Hub
View Details
Zurn Elkay

Z1088 Backwater Valve, 4 in, No-Hub, Cast Iron Body, Manual Backflow

ZURZ10884NH MFG #: Z1088-4NH
- Backflow Type: Manual
- Body Material: Cast Iron
- End Style: No-Hub
View Details
Zurn Elkay

Z1088 Backwater Valve, 6 in, No-Hub, Cast Iron Body, Manual Backflow

ZURZ10886NH MFG #: Z1088-6NH
- Backflow Type: Manual
- Body Material: Cast Iron
- End Style: No-Hub
View Details
Zurn Elkay

Z1090-2NH Backwater Valve, 2 in Nominal, No-Hub End Style, Cast Iron Body

ZURZ10902NH MFG #: Z1090-2NH
- Body Material: Cast Iron
- End Style: No-Hub
- Nominal Size: 2 in
View Details
Zurn Elkay

Z1090-3NH Backwater Valve, 3 in Nominal, No Hub End Style, Cast Iron Body

ZURZ10903NH MFG #: Z1090-3NH
- Body Material: Cast Iron
- End Style: No-Hub
- Nominal Size: 3 in
View Details

Join Our List

Sign up for inside scoop on promotions, discounts, special events, training opportunities, and company news! Learn more about Email Subscription by visiting our FAQs page.

Email Sign Up