Backflow Preventers
Pressure regulating valve for automatic control of boiler feed water and other pressure reducing applications. Especially constructed for expansion tank mounting. Included in many expansion kits.
- Fast fill feature
- Built in check valve
- Easy dial-set technology allows simple output pressure setting in psi
- Integrated NPT pressure gage port for testing
This 3/4 by 3/4 in. lead free dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. The valve consists of a lead free brass body construction, with two plastic replaceable check valves, and stainless steel springs. It is designed for non-health hazard residential water system containment, continuous pressure applications and is to be installed immediately downstream of the residential water meter, in a vertical or horizontal position. The minimum working pressure is 10 psi (69 kPa) and maximum working pressure is 175 psi (12 BAR).
- Lead free brass body for durability
- Can be installed vertically or horizontally
- Compact design
- Meets ANSI/ASSE Standard 1024
- 3/4 in. union female NPT inlet x female NPT outlet
- Designed for non-health hazard residential water system containment
The BFP-8F Hose Connection Vacuum Breaker is utilized in low health hazard applications such as service sinks, laundry tubs, and standard 3/4" hose bibbs for protection against backsiphonage of polluted water through a garden hose. The BFP-8F includes a manual drain feature for freeze protection, and breakaway set screw to eliminate unauthorized removal. It has a maximum working water pressure of 125 psi and a maximum working water temperature of 180°F. Designed for hose bibb attachment, BFP-8F materials include a brass valve body, buna nitrile elastomers, acetal polymers, and stainless steel internals, with an optional chrome finish.
- Design features manual drain to protect against freezing
- Breakaway screw protects against unauthorized removal
- Compliant for use on standard garden hoses
- Stainless steel internals resist corrosion
- ASSE Listed 1011
- IAPMO Listed
- CSA certified B64.2 (BFP-8F)
- CUPC certified B64.2 (BFP-9)
- NSF 64 listed
Our most popular backflow preventer model, the 2 in. 975XL2 Reduced Pressure Principle Backflow Preventer is utilized on potable water applications for high health hazard protection from backsiphonage and backpressure of contaminated water. The wye pattern, bronze body design provides separate access to each check valve and the relief valve to reduce valuable labor costs and repair time, while the short lay length eases replacement costs. The 975XL2 includes all the necessary components for managing your system, and is the simplest, most reliable backflow preventer in the irrigation market today.
- Easy access to first check simplifies debris removal
- Repair kit allows for a quick fix instead of a full replacement
- Entire unit serviceable in line
- Stainless steel shutoff handles are corrosion resistant
- Wye pattern design provides separate access to checks and relief valve for reduced labor costs
- ASSE listed, IAPMO listed, CSA certified, AWWA compliant, meets the requirements of NSF/ANSI 61
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at USC
- Safe Drinking Water Act compliant
The 1/2 in. 760 Dual Check Valve Assembly with Intermediate Atmospheric Vent provides low health hazard protection from backflow in both residential and commercial applications, primarily from a residential boiler or small commercial boiler. Features of this continuous pressure type backflow preventer include a threaded atmospheric vent drain for safe drainage, and corrosion-resistant, high quality brass body construction with an integral stainless steel strainer screen to prevent buildup of unwanted debris. Threaded FNPT union connections are standard and included on both ends.
- Fits 1/2-in. inside diameter pipe
- Includes two FNPT union tailpieces
- Brass body and stainless-steel strainer screen protect against corrosion
- Integral strainer screen ensures long-lasting prevention of debris buildup
- Threaded atmospheric vent drain allows for safe drainage
- 1-year limited warranty
- Easy to install
- Retrofit
- Commonly used on residential water heaters
- Industry leading
This 3/4 in. wye pattern strainer is lead free. It is designed to protect system components from dirt, rust, and other damaging debris in the piping system. It has a solid retainer cap with gasket, threaded end connections, and a 20-mesh stainless steel screen.
- Lead free construction
- Wye pattern
- Threaded end connections
- Solid retainer cap with gasket
- Protects system components for a longer system life
- Durable stainless-steel screen
Our most popular backflow preventer model, the 1-1/2 in. 975XL2 Reduced Pressure Principle Backflow Preventer is utilized on potable water applications for high health hazard protection from backsiphonage and backpressure of contaminated water. The wye pattern, bronze body design provides separate access to each check valve and the relief valve to reduce valuable labor costs and repair time, while the short lay length eases replacement costs. The 975XL2 includes all the necessary components for managing your system, and is the simplest, most reliable backflow preventer in the irrigation market today.
- Repair kit allows for a quick fix, instead of a full replacement
- Low-lead law compliant
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
- Easy access to first check simplifies debris removal
- Repair kit allows for a quick fix instead of a full replacement
- Entire unit serviceable in line
- Stainless steel shutoff handles are corrosion resistant
- Wye pattern design provides separate access to checks and relief valve for reduced labor costs
- ASSE listed, IAPMO listed, CSA certified, AWWA compliant, meets the requirements of NSF/ANSI 61
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at USC
- Safe Drinking Water Act compliant
This 3/4 inch lead free reduced pressure zone assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and for contaminants at the service line entrance. This assembly consists of a lead free bronze body, 3/4 inch NPT end connections, quarter turn ball valve shutoffs with tee handles, top mounted test cocks, two in-line independent check valves, captured springs, and replaceable check seats with an internal relief valve for reduced space requirements.
- Lead free bronze body construction for durability
- 3/4 NPT inlet and outlet connections
- Quarter turn full port resilient seated ball valve shutoffs
- Single access cover and modular check construction for the ease of maintenance
- Top mounted test cocks and two in-line independent check valves
- Replaceable check seats with an internal relief valve for reduced space requirements
- Large body passages provides a low pressure drop
- Captured springs for safe maintenance
- Internal relief valve for reduced installation clearances
This 3/8 in. lead free dual check vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply. It is designed for non-health hazard continuous in-line pressure applications, such as parlor sinks. It consists of a lead free body construction with an atmospheric vent and NPT female inlet and outlet connections.
- Lead free construction
- Compact design
- Female NPT threads
- In-line applications
- Designed to prevent the backflow of polluted water from entering into the potable water supply
- Ideal for irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim
- Maximum pressure is 150 psi
This air gap for reduced pressure zone assembly, 1/2 in. series 009, 3/4 in. series 009M2 and 009M3 and 1/2-1 in. series 995, provides an unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel. The installation of an air gap and drain line are recommended on reduced pressure zone assemblies. It can be installed vertically or horizontally (vent elbow required for vertical installation).
- For reduced pressure zone assemblies
- Designed for use on 1/2 in 009, 3/4 in. 009M2 and 009M3, 1/2-1 in 995 sizes
- Nuisance discharge
- Metal construction
- Durable coating
- Provides an unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel
- Recommended on reduced pressure zone assemblies
- Can be installed vertically or horizontally
- Vent elbow required for vertical installation
- Hardware for installation included
Our most popular backflow preventer model, the 1 in. 975XL2 Reduced Pressure Principle Backflow Preventer is utilized on potable water applications for high health hazard protection from backsiphonage and backpressure of contaminated water. The wye pattern, bronze body design provides separate access to each check valve and the relief valve to reduce valuable labor costs and repair time, while the short lay length eases replacement costs. The 975XL2 includes all the necessary components for managing your system, and is the simplest, most reliable backflow preventer in the irrigation market today.
- Easy access to first check simplifies debris removal
- Repair kit allows for a quick fix instead of a full replacement
- Entire unit serviceable in line
- Stainless steel shutoff handles are corrosion resistant
- Wye pattern design provides separate access to checks and relief valve for reduced labor costs
- ASSE listed, IAPMO listed, CSA certified, AWWA compliant, meets the requirements of NSF/ANSI 61
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at USC
- Safe Drinking Water Act compliant
Our most popular backflow preventer model, the 3/4 in. 975XL2FT Reduced Pressure Principle Backflow Preventer comes with integral male 45 degree flare SAE test fitting. It is utilized on potable water applications for high health hazard protection from backsiphonage and backpressure of contaminated water. The wye pattern, bronze body design provides separate access to each check valve and the relief valve to reduce valuable labor costs and repair time, while the short lay length eases replacement costs. The 975XL2 includes all the necessary components for managing your system, and is the simplest, most reliable backflow preventer in the irrigation market today.
- Easy access to first check simplifies debris removal
- Repair kit allows for a quick fix, instead of a full replacement
- Entire unit serviceable in line
- Pre-assembled with backflow, pressure regulation, and strainer components
- Low-lead law compliant
- ASSE Listed 1013
- IAPMO Listed
- CSA Certified B64.4 CSA Certified B64.4
- AWWA Compliant C511
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
This 3/4 in. dual check valve with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a brass body with stainless steel internal parts, integral strainer, 2 durable tight seating rubber check valves, and NPT female inlet and outlet connections.
- Features an integrated strainer
- Forged brass body for durability
- Compact design
- Internal parts constructed of stainless steel
- Horizontal or vertical installation
- NPT female inlet/outlet connections
- Stainless steel internal parts
This 1 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and for contaminants at the service line entrance. This assembly consists of a lead free bronze body, 1 inch NPT end connections, quarter turn ball valve shutoffs with tee handles, top mounted test cocks, two in-line independent check valves, captured springs, and replaceable check seats with an internal relief valve for reduced space requirements.
- Lead free bronze body construction for durability
- NPT inlet and outlet connections
- Quarter turn full port resilient seated ball valve shutoffs
- Single access cover and modular check construction for the ease of maintenance
- Large body passages provides a low pressure drop
- Captured springs for safe maintenance
- Internal relief valve for reduced installation clearances
- Replaceable seats for an economical repair
- Test cocks are screwdriver slotted
This 3/8 in. lead free dual check vacuum breaker for laboratory faucets prevents the reverse flow of polluted water from entering into the potable water supply where portable hoses can be attached. It is designed for health hazard non-continuous pressure applications. It consists of a chrome plated lead free body construction, dual check valves, stainless steel working parts, and durable rubber diaphragm and disc.
- Lead free construction
- Chrome finish
- Faucet threads
- Compact design
- Designed to prevent the backflow of polluted water from entering into the potable water supply
- Ideal for irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim
- Maximum pressure is 150 psi
The 3/4 in. 950XLT2 Double Check Valve Assembly includes top access check covers for easy maintenance access, is utilized in low health hazard potable water applications, and is suitable for below grade installation in standard valve boxes. The 950XLT2 protects against both backsiphonage and backpressure while the test cock plug protects against fouling caused by insects, dirt, and debris. It includes corrosion-resistant stainless steel springs, fasteners, and ball valve handles. Features of the 950XLT2 include a maximum working water pressure of 175 psi, hydrostatic test pressure of 350 psi, and a maximum working water pressure of 180°F.
- AWWA Compliant C510
- CSA Certified
- Top access double checks for hassle-free maintenance and repairs
- Seats and silicone seal rings are fully replaceable for reduced maintenance costs
- Fits within standard meter boxes
- Construction offers corrosion-resistance and winterization
- Lead-free law compliant
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
- ASSE Listed 1015
- IAPMO Listed
This 3/8 in. lead free polished chrome plated anti-siphon hot or cold water vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of chemical resistant silicone seat disc, chrome hood, and an atmospheric vent to prevent spilling. It has a full size orifice to assure pipe size capacity and maximum flow. It is ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment.
- Lead free construction
- Chrome finish
- Female NPT inlet and outlet
- Hot or cold water
- Designed to prevent the backflow of polluted water from entering into the potable water supply
- Ideal for low flow, non-continuous hot or cold water health hazard installations such as on laboratory equipment
- Maximum pressure is 125 psi
The 1 in. 950XLT2 Double Check Valve Assembly includes top access check covers for easy maintenance access, is utilized in low health hazard potable water applications, and is suitable for below grade installation in standard valve boxes. The 950XLT2 protects against both backsiphonage and backpressure while the test cock plug protects against fouling caused by insects, dirt, and debris. It includes corrosion-resistant stainless steel springs, fasteners, and ball valve handles. Features of the 950XLT2 include a maximum working water pressure of 175 psi, hydrostatic test pressure of 350 psi, and a maximum working water pressure of 180°F.
- AWWA Compliant C510
- CSA Certified
- Top access double checks for hassle-free maintenance and repairs
- Seats and silicone seal rings are fully replaceable for reduced maintenance costs
- Fits within standard meter boxes
- Construction offers corrosion-resistance and winterization
- Lead-free law compliant
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
- ASSE Listed 1015
- IAPMO Listed
The 1/2 in. 975XL2 Reduced Pressure Principle Backflow Preventer is used in high health hazard, potable water applications for protection from both backsiphonage and backpressure of contaminated water into the potable water supply. The wye pattern, bronze body design provides separate access to each check valve and the relief valve to reduce labor costs and repair time. Its short lay length eases replacement costs and installation time. The 975XL2 includes all the necessary components for managing your system, and is the simplest, best, and most reliable backflow preventer in the irrigation market today.
- IAPMO Listed
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
- Top access checks provide easy access for repairs in compact locations
- Short lay length eases replacement and installation costs
- Check and relief valve seats are easily replaceable
- All cast bronze body and stainless steel internals provide corrosion-resistance
- Low-lead law compliant
- ASSE Listed 1013
- AWWA compliant C511
- CSA Certified
This 3/4 in. lead free double check valve assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards and for contaminants at the service line entrance. This assembly consists of a lead free body construction, NPT end connections, quarter turn ball valve shutoffs, top mounted test cocks, two in-line independent positive seating check modules, captured springs, and replaceable check discs and seats.
- Lead free construction
- Modular compact design
- Replaceable seats and seat discs
- Top entry
- Designed to prevent the backflow of polluted water from entering into the potable water supply
- For health hazard non-continuous pressure applications
- Maximum pressure is 150 psi
The 1 inch. SXL Cast Bronze Wye Type Strainer is recommended for a variety of water service lines, including residential and commercial irrigation, swimming pools, and cooling tower water. Designed to protect fragile, delicate equipment like backflow preventers and regulators, the SXL filters sediment that often causes premature failure. The SXL comes standard with a high quality 20 mesh stainless steel screen designed to catch debris without buildup, can withstand a temperature rating of 180°F and pressure rating of 300 psi WOG.
- Strainer screen reduces maintenance and premature failure
- Design ensures longer life for backflow preventers and regulators
- Wye type strainer ideal for domestic and commercial water applications
- Quality integral stainless steel strainer screen holds up over time and resists corrosion
- Low-lead law compliant
- Meets the requirements of NSF/ANSI 61
- Compact portable testing device made for testing all reduced pressure zone backflow prevention assemblies and double check valve assemblies
- Easily connected to any RPZ device enabling accurate testing of 'zone' differential pressure, relief valve opening differential, fouled check valves or similar problems that visual inspections cannot locate
- Supplied with a rugged carrying case for easy handling and accessibility
The 1/2" SXL Cast Bronze Wye Type Strainer is recommended for a variety of water service lines, including residential and commercial irrigation, swimming pools, and cooling tower water. Designed to protect fragile, delicate equipment like backflow preventers and regulators, the SXL filters sediment that often causes premature failure. The SXL comes standard with a high quality 20 mesh stainless steel screen designed to catch debris without buildup, can withstand a temperature rating of 180°F and pressure rating of 300 psi WOG.
- Strainer screen reduces maintenance and premature failure
- Design ensures longer life for backflow preventers and regulators
- Wye type strainer ideal for domestic and commercial water applications
- Quality integral stainless steel strainer screen holds up over time and resists corrosion
- Low-lead law compliant
- Meets the requirements of NSF/ANSI 61
The 1-1/2" SXL Cast Bronze Wye Type Strainer is recommended for a variety of water service lines, including residential and commercial irrigation, swimming pools, and cooling tower water. Designed to protect fragile, delicate equipment like backflow preventers and regulators, the SXL filters sediment that often causes premature failure. The SXL comes standard with a high quality 20 mesh stainless steel screen designed to catch debris without buildup, can withstand a temperature rating of 180°F and pressure rating of 300 psi WOG.
- Strainer screen reduces maintenance and premature failure
- Design ensures longer life for backflow preventers and regulators
- Wye type strainer ideal for domestic and commercial water applications
- Quality integral stainless steel strainer screen holds up over time and resists corrosion
- Low-lead law compliant
- Meets the requirements of NSF/ANSI 61