Zurn Industries LLC Datasheets for Backflow Preventers

Backflow preventers are assemblies consisting of two check valves and two shut off valves. These assemblies may also include test cocks for each chamber.
Backflow Preventers: Learn more

Product Name Notes
34-975XL - Reduced Pressure Principle Backflow Preventer "Backflow prevention device 34-975XL helps prevent health hazards by controlling the backpressure and stopping the backsiphonage of polluted water. This water backflow preventer comes with tull port ball valves, NSF...
Zurn Wilkins Air Gap (AG) Fitting for Backflow Preventers Air Gap Fitting Zurn Wilkins AG for Reduced Pressure Backflow Preventers reduces downtime of attaching a drain line to a Reduced Pressure Principle Assembly. It is designed for use with...
Reduced Pressure Principle Backflow Preventer 1-975XL Backflow preventer 1-975XL is ideal for commercial & industrial usage as it comes with short lay length Wye pattern design making it easy for replacement saving labour costs This water...
Reduced pressure backflow preventer - 2-975XL Irrigation backflow preventer 2-975XL with wye pattern provides high hazard protection for your commercial water applications. This backflow device has two check valves which are accessible tor maintenance without removing...
Reduced Pressure Backflow Preventer - 112-975XL Reduced pressure backflow preventer 112-975XL is reliable top performer with low life-cycle costs which come with bronze body wye pattern design. This backflow prevention device comes with Noryl replaceable seats...
Reduced Water Pressure Detector Backflow Preventer 375ADA Reduced pressure backflow preventer 375ADA with epoxy coated DI body provides high hazard protection and is ideal for fire protection applications, with a metered by-pass to detect leaks and unauthorized...
975XL (1/4" - 1/2") Reduced pressure backflow preventer 975XL2 comes with low lead bronze access covers, the seat ring and NSF Listed Noryl internal polymers. This water backflow preventer is ASSE Listed 1013, rated...
Backflow preventer - 975XLST Reduced pressure backflow preventer 975XLST is ASSE Listed and supplied with full port ball valves. Main Body of this backflow preventer 975XLST and its access covers are stainless steel and...
Reduced Pressure Principle Backflow Preventer 1-375 Reduced Pressure Principle Backflow Preventer 1" 375 Reduced Pressure Principle Assembly offers high hazard protection against backsiphonage and backpressure in non-potable water applications. Most often used by irrigation contractors, the...
Reduced Pressure Principle Backflow Preventer - 212-375 Reduced Pressure Principle Backflow Preventer 212-375 with flanged end NRS gate valves, is utilized where a potential high health hazard exists and is ideal for use when lead-free valves are...
Reduced Pressure Principle Backflow Preventer 4-375 Reduced Pressure Principle Backflow Preventer 4-375 is utilized where a potential high health hazard exists and is ideal for use when lead-free valves are required protecting against both backsiphonage and...
3-48OSY - Gate Valve Shut Off Valve 48 OS&Y Gate Valve offers a visual indication of valve's open/closed position. Applications include fire sprinkler systems. It is available with flanged, grooved, or flanged x grooved...
BVMS
BVMS
Shut off valve BVMS Ball Valve Monitor Switch is mounted on a backflow preventer's ball valve shutoffs in a fire sprinkler system, providing electrical supervision of the ball valves. The...
212-375ASTW1 - Connected Backflow Preventer W/Wireless Monitor
3-375ASTW1 - Connected Backflow Preventer W/Wireless Monitor
4-375ASTW1 - Connected Backflow Preventer W/Wireless Monitor
6-375ASTW1 - Connected Backflow Preventer W/Wireless Monitor
Stainless Steel Reduced Pressure Principle Assembly with Integral Wireless Relief Valve Monitor provides high hazard protection for potable applications. The 375ASTW1 Connected Backflow Preventer transmits real-time relief water discharge data...
1-350 - 1" Double Check Backflow Preventer
112-350 - 1-1/2" Double Check Backflow Preventer
114-350 - 1-1/4" Double Check Backflow Preventer
2-350 - 2" Double Check Backflow Preventer
34-350 - 3/4" Double Check Backflow Preventer
The 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance...
4-350ASTDA - Double Check Detector Backflow Preventer
6-350ASTDA - Double Check Detector Backflow Preventer
8-350ASTDA - Double Check Detector Backflow Preventer
The 350ASTDA Double Check Detector Backflow Preventer features a stainless Steel body, making it ideal for fire protection applications. Its metered bypass detects leaks and unauthorized water use. Used in...
2-350XLFT - Double Check Backflow Preventer The 350XL Double Check Backflow Preventer provides low health hazard protection in potable water applications. The EZSwap® removable pressure vessel offers safe and easy line flushing, quick winterization, and simple...
34-350XLFT - Double Check Backflow Preventer
Double Check Backflow Preventer - 1-350XLFT
The 350XL Double Check Backflow Preventer provides low health hazard protection in potable water applications. The EZSwap® removable pressure vessel provides safe and easy line flushing, quick winterization, and simple...
1-350XL - 1" Double Check Backflow Preventer
112-350XL - 1-1/2" Double Check Backflow Preventer
114-350XL - 1-1/4" Double Check Backflow Preventer
2-350XL - 2" Double Check Backflow Preventer
34-350XL - 3/4" Double Check Backflow Preventer
The 350XL Double Check Backflow Preventer provides low health hazard protection in potable water applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple...
QT - Quick Test Fittings The QT BackFlow Prevention Assembly Quick Test Fittings are designed to connect backflow prevention assemblies to a differential pressure test gauge. Features And Benefits Fittings utilize O-rings for sealing to...
QT-Set The QT-Set Quick Test Fittings Set facilitates the connection of a Differential Pressure Test Gauge on a Backflow Preventer. The QT-Set features an integral o-ring and hand-tight installation, eliminating the...
RK1-BVHDSS The RK1-BVHDSS 1" Stainless Steel Ball Valve Handles fit 1" backflow preventers. Features And Benefits Fits 1" backflow preventers Includes two 1" stainless steel handles and two stainless steel nuts...
Z1399-BFP - Backflow Preventer The Z1399-BFP Backflow Preventer features a non-removable hose connection, atmospheric vent, all brass construction, breakaway screw, and 3/4" hose connection inlet/outlet. It's field testable with dual independent back checks. Features...
10-ZCSM-BTM - 10" Connected Flow Meter Option The Zurn 10” Flow Meter option (10-ZCSM-BTM) combined with the Zurn Connected Pressure Monitor ZCSM-PF assesses your building’s water consumption, detects potential leaks, and tracks water pressure. Simply, set flow...
3-ZCSM-BTM - 3" Connected Flow Meter Option The Zurn 3” Flow Meter option (3-ZCSM-BTM) combined with the Zurn Connected Pressure Monitor ZCSM-PF assesses your building’s water consumption, detects potential leaks, and tracks water pressure. Simply, set flow...
4-ZCSM-BTM - 4" Connected Flow Meter Option The Zurn 4” Flow Meter option (4-ZCSM-BTM) combined with the Zurn Connected Pressure Monitor ZCSM-PF assesses your building’s water consumption, detects potential leaks, and tracks water pressure. Simply, set flow...
6-ZCSM-BTM - 6" Connected Flow Meter Option The Zurn 6” Flow Meter option (6-ZCSM-BTM) combined with the Zurn Connected Pressure Monitor ZCSM-PF assesses your building’s water consumption, detects potential leaks, and tracks water pressure. Simply, set flow...
8-ZCSM-BTM - 8" Connected Flow Meter Option The Zurn 8” Flow Meter option (8-ZCSM-BTM) combined with the Zurn Connected Pressure Monitor ZCSM-PF assesses your building’s water consumption, detects potential leaks, and tracks water pressure. Simply, set flow...
8-F210R - Fire Riser Equipment The Zurn 8-F210R Fire Riser Check is used in a fire sprinkler system and provides zone backflow prevention and features pressure gauges with isolation valves upstream and downstream and includes...
ZCSM-PF - Connected Pressure Monitor The Zurn Connected Pressure Monitor (ZCSM-PF) allows you to monitor your water pressure. Simply, set high- and low-pressure thresholds for real-time alerts through our secure web portal, plumbSMART™. You and...
1-350FT - Double Check Backflow Preventer The Zurn Wilkins 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap® Pressure Vessel provides safe and easy line flushing, quick winterization, and simple...
34-350FT - Double Check Backflow Preventer The Zurn Wilkins 350 Double Check Backflow Preventer provides low health hazard protection in non-potable applications. The EZSwap® removable pressure vessel provides safe and easy line flushing, quick winterization, and...
212-350 - Double Check Backflow Preventer
3-350 - Double Check Backflow Preventer
3-350OSY - Double Check Backflow Preventer
6-350OSY - Double Check Backflow Preventer
The Zurn Wilkins 350 Double Check Valve Backflow Preventer provides low hazard protection for all applications. To view all options, see the Specification Sheet - Model 350 Features And Benefits...
4-350A - Double Check Backflow Preventer
4-350AOSY - Double Check Backflow Preventer
6-350AOSY - Double Check Backflow Preventer
The Zurn Wilkins 350A Double Check Valve Backflow Preventer provides low hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve...
4-350ADA - Double Check Detector Backflow Preventer
6-350ADA - Double Check Detector Backflow Preventer
8-350ADA - Double Check Detector Backflow Preventer
The Zurn Wilkins 350ADA Double Check Detector Backflow Preventer is ideal for fire protection applications. Its metered bypass detects leaks and unauthorized water use. Used in low health hazard applications.
6-350ASTOSY - Double Check Backflow Preventer The Zurn Wilkins 350AST Double Check Backflow Preventer features a stainless Steel body and lightweight design. It provides low hazard protection and corrosion resistance. Multiple shut-off and end connections are...
4-350ASTOSY - Double Check Backflow Preventer
8-350ASTOSY - Double Check Backflow Preventer
The Zurn Wilkins 350AST Double Check Backflow Preventer features a stainless Steel body and lightweight design. It provides low hazard protection and resists corrosion. Multiple shut-off and end connections are...
3-350AST - Double Check Backflow Preventer The Zurn Wilkins 350AST Double Check Backflow Preventer features a stainless Steel body to protect against corrosion. It provides low hazard protection, while boasting a lightweight design. Multiple shut-off and...
4-350DA - Double Check Detector Backflow Preventer
6-350DA - Double Check Detector Backflow Preventer
8-350DA - Double Check Detector Backflow Preventer
The Zurn Wilkins 350DA Double Check Detector Backflow Preventer is ideal for fire protection applications. Its metered bypass detects leaks and unauthorized water use. Used in low health hazard applications.
212-375OSY - Reduced Pressure Principle Backflow Preventer
3-375OSY - Reduced Pressure Principle Backflow Preventer
4-375OSY - Reduced Pressure Principle Backflow Preventer
6-375 - Reduced Pressure Principle Backflow Preventer
6-375OSY - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for all applications. The flanged, epoxy coated ductile iron body is available with multiple shut-off valve options...
34-375 - Reduced Pressure Principle Backflow Preventer The Zurn Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for non-potable applications. The innovative EZSwap® pressure vessel can be removed and replaced with the flush fitting...
1-375FT - Reduced Pressure Principle Backflow Preventer
1-375S - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for non-potable applications. The innovative EZSwap® Pressure Vessel is removed and replaced with the flush fitting tool...
34-375 - LFFTBS Reduced Pressure Principle Backflow Preventer The Zurn Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for non-potable applications. The innovative EZSwap® pressure vessel provides safe and easy line flushing, quick winterization, and...
212-375A - Reduced Pressure Principle Backflow Preventer
3-375A - Reduced Pressure Principle Backflow Preventer
3-375AOSY - Reduced Pressure Principle Backflow Preventer
4-375A - Reduced Pressure Principle Backflow Preventer
4-375AOSY - Reduced Pressure Principle Backflow Preventer
6-375A - Reduced Pressure Principle Backflow Preventer
6-375AOSY - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 375A Reduced Pressure Principle Backflow Preventer provides high hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve...
3-375AST - Reduced Pressure Principle Backflow Preventer
3-375ASTOSY - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 375AST Reduced Pressure Principle Backflow Preventer features a stainless Steel body and lightweight design. It offers high hazard protection and corrosion resistance. Multiple shut-off and end connections...
4-375AST - Reduced Pressure Principle Backflow Preventer
4-375ASTOSY - Reduced Pressure Principle Backflow Preventer
6-375ASTOSY - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 375AST Reduced Pressure Principle Backflow Preventer features a stainless Steel body and lightweight design. It provides high hazard protection and resists corrosion. Multiple shut-off and end connections...
212-375AST - Reduced Pressure Principle Backflow Preventer The Zurn Wilkins 375AST Reduced Pressure Principle Backflow Preventer with stainless Steel body provides high hazard protection with a corrosion resistant, lightweight design. Multiple shut-off and end connections available for...
4-375ASTDA - Reduced Pressure Principle Backflow Preventer The Zurn Wilkins 375ASTDA Reduced Pressure Detector Assembly features a stainless Steel body. It provides high hazard protection and is ideal for fire protection applications. The solution's metered bypass detects...
6-375DA - Reduced Pressure Detector Backflow Preventer The Zurn Wilkins 375DA Reduced Pressure Detector Assembly features a epoxy coated ductile iron body and provides high hazard protection. It’s ideal for fire protection applications. The metered bypass detects...
1-375ST - Reduced Pressure Principle Backflow Preventer
12-375ST - Reduced Pressure Principle Backflow Preventer
34-375ST - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 375ST Stainless Steel Reduced Pressure Principle Assembly provides high hazard protection for potable applications. Ideal for installation in corrosive conditions. To view all options, see the Specification...
12-375XLFT - Reduced Pressure Principle Backflow Preventer The Zurn Wilkins 375XL Reduced Pressure Principle Backflow Preventer delivers high hazard protection for potable water applications. The EZSwap®Pressure Vessel provides safe and easy line flushing, quick winterization, and simple...
34-375XLS - Reduced Pressure Principle Backflow Preventer The Zurn Wilkins 375XL Reduced Pressure Principle Backflow Preventer offers high hazard protection for potable water applications. The EZSwap® Pressure Vessel provides safe and easy line flushing, quick winterization, and...
1-375XLFT - Reduced Pressure Principle Backflow Preventer
2-375XLFT - Reduced Pressure Principle Backflow Preventer
2-375XLS - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 375XL Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The EZSwap® Pressure Vessel provides safe and easy line flushing, quick winterization, and...
1-375XL - 1" Reduced Pressure Principle Assembly
1-375XL - 1" Reduced Pressure Principle Assembly with Model SXL lead-free bronze Wye Type Strainer
112-375XL - 1-1/2" Reduced Pressure Principle Assembly
114-375XL - 1-1/4" Reduced Pressure Principle Assembly
12-375XL - 1/2" Reduced Pressure Principle Assembly
2-375XL - 2" Reduced Pressure Principle Assembly
34-375XL - 3/4" Reduced Pressure Principle Assembly
The Zurn Wilkins 375XL Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The EZSwap™ Pressure Vessel is removed and replaced with the Flush Fitting Tool...
34-375XLFT- Reduced Pressure Principle Backflow Preventer The Zurn Wilkins 375XL Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The innovative EZSwap® pressure vessel provides safe and easy line flushing, quick winterization,...
1-375XLB - Reduced Pressure Principle Backflow Preventer
112-375XLB - Reduced Pressure Principle Backflow Preventer
2-375XLB - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 375XLB Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The black fusion epoxy coated ball valves discourage backflow theft. To view all...
6-450DA - Double Check Detector Backflow Preventer The Zurn Wilkins 450DA Double Check Detector Assembly features an n-Pattern, making it ideal for new or retrofit installations in tight locations. Works for fire protection applications. Its metered bypass...
8-475DA - Reduced Pressure Detector Backflow Preventer The Zurn Wilkins 475DA Reduced Pressure Principle Assembly is shaped in the n-Pattern, making it ideal for new or retrofit installations in tight locations. Works for high hazard fire sprinkler...
14-860 - Resilient Seated Ball Type Test Cock The Zurn Wilkins 860 Ball Type Test Cock is installation on backflow preventers as a test port for attaching a differential pressure gauge. To view all options, see the Specification...
14-860XL - Resilient Seated Ball Type Test Cock The Zurn Wilkins 860XL Ball Type Test Cock is installed on backflow preventers as a test port for attaching a differential pressure gauge. To view all options, see the Specification...
112-975XL - Reduced Pressure Principle Backflow Preventer The Zurn Wilkins 975XL Reduced Pressure Principle Backflow Preventer provides high hazard protection for non-potable water applications. The wye pattern, bronze body provides separate access to each check valve and...
34-975XL2FT - Reduced Pressure Principle Backflow Preventer
34-975XL2S - Reduced Pressure Principle Backflow Preventer
34-975XL2SEOS - Reduced Pressure Principle Backflow Preventer
The Zurn Wilkins 975XL2 Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The wye pattern, bronze body offers separate access to each check valve and...
1-975XL2 - 1" Reduced Pressure Principle Assembly
1-975XL2S - Reduced Pressure Principle Backflow Preventer
112-975XL2S - Reduced Pressure Principle Backflow Preventer
114-975XL2 - 1-1/4" Reduced Pressure Principle Assembly
12-975XL2 - 1/2" Reduced Pressure Principle Backflow Preventer
2-975XL2 - 2" Reduced Pressure Principle Assembly
2-975XL2S - 2" Reduced Pressure Principle Assembly with Bronze Wye Type Strainer
2-975XL2SAG - 2" Reduced Pressure Principle Assembly with Bronze Wye Type Strainer and Air Gap
34-975XL2 - 3/4" Reduced Pressure Principle Assembly
The Zurn Wilkins 975XL2 Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water applications. The wye pattern, bronze body provides separate access to each check valve and...
10-375ASTW1 - Connected Backflow Preventer W/Wireless Monitor The Zurn Wilkins Connected Backflow Preventer w/Wireless Monitor is the first product offering from the line of Zurn Connected Products. The 10-375ASTW1 10" Stainless Steel Reduced Pressure Principle Assembly with...
8-375ASTW1 - Connected Backflow Preventer W/Wireless Monitor The Zurn Wilkins Connected Backflow Preventer w/Wireless Monitor is the first product offering from the line of Zurn Connected Products. The 8-375ASTW1 8" Stainless Steel Reduced Pressure Principle Assembly with...
10-FCISAST - 10" Connected Flood Control System
212-FCISAST - 2-1/2" Connected Flood Control System
3-FCISAST - 3" Connected Flood Control System
4-FCISAST - 4" Connected Flood Control System
6-FCISAST - 6" Connected Flood Control System
8-FCISAST - 8" Connected Flood Control System
The Zurn Wilkins Connected Flood Control System (FCIS) is a product line extension of Connected Backflow Preventers in Zurn Connected Products. The FCIS (Connected Flood Control System) Reduced Pressure Principle...
ZWFR The ZWFR Freeze Relief Valve prevents damage from sudden or unexpected freezes, and is installed on backflow preventers and pressure vacuum breakers. The durable and compact design requires no periodic...
114-40XL2 - In-Line Single Check Valve Zurn Wilkins 40XL2 In-Line Single Check Valve is designed for potable water applications. Often used to protect a backflow preventer from water systems pressure fluctuations and water hammer conditions. To...
12-40XL2 - In-Line Single Check Valve Zurn Wilkins 40XL2 In-Line Single Check Valve is ideal for potable water applications. Often used to protect a backflow preventer from water system pressure fluctuations and water hammer conditions. To...
2-40XL2 - In-Line Single Check Valve Zurn Wilkins 40XL2 In-Line Soft-Seated Single Check Valve for potable water applications. Often used to protect a backflow preventer from water systems pressure fluctuations and water hammer conditions. To view...
34-40XL2 - In-Line Single Check Valve Zurn Wilkins 40XL2 In-Line Soft-Seated Single Check Valve iis designed for potable water applications. It's used to protect the backflow preventer from water systems pressure fluctuations and water hammer conditions.
1-40XL2 - In-Line Single Check Valve Zurn Wilkins 40XL2 In-Line Soft-Seated Single Check Valve is designed for potable water applications. Often used to protect a backflow preventer from water systems pressure fluctuations and water hammer conditions.