Use this Vacuum Breaker in combination with a handshower (sold separately), for an exceptional showering experience. You can count on Delta reliability throughout the home, including our accessories and repair parts. We back each and every item with our lifetime limited warranty.
DELTA® Faucet Vacuum Breaker, 1/2 in Nominal, 80 psi Maximum, IPS End Style, Brass Body, Brass Trim, 120 deg F, 1-3/4 in H x 1-1/4 in W Dimension, Polished Chrome, Import , Commercial Commercial/Residential
Backflow Preventers 48
This 3/4 inch lead free anti-siphon vacuum breaker for hot or cold water prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of lead free construction, 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 applications such as on laboratory equipment.
This 1/2 inch bronze combination dial set fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze model 9D backflow preventer and a bronze model BD1156F feed water pressure regulator in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems. It has 1/2 inch union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi
Tamper proof protection - Corrosion resistant - Manual drain feature - 125 PSIG maximum pressure - 33 degree to 180 degree temperature range
This 1/2 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. This 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
This 1-1/2 inch lead free reduced pressure zone assembly is designed to prevent the flow 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, 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.
Old Number 0061791
Can be installed vertcally or horizontally. 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 and maximum working pressure is 175 psi
Can be installed vertcally or horizontally. This 1/2 inch 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, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.
This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT theaded outlet connections. The maximum pressure is 100 psi
Automatic boiler feed with backflow preventer and 60 PSI pressure gauge - 1/2 inch press union inlet - 1/2 inch female outlet - 175 PSI maximum inlet pressure - 150 degree maximum working temperature - 15 PSI outlet pressure - Adjustable 3 PSI to 60 PSI pressure setting
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. This backflow assembly contains an integrated flood sensor with SentryPlus(TM) Alert technology to detect excessive water discharges from the relief valve. When activated through an add-on sensor connection kit, the flood sensor can send an alert to notify the user of potential flooding. Add-on sensor connection kits are available for both BMS and cellular communications.
WATTS®, 88004112, Backflow Preventer, In-Line, Series: LF009-FS, 1 in Nominal, FNPT End Style, 175 psi Pressure, 33 to 180 deg F, Quarter-Turn Ball Valve Ball Valve/Gate Valve, Reduced Pressure Zone Backflow, Media: Water, Cast Copper Silicon Alloy, 14-1/2 in L x 6-1/4 in H Dimensions
This 3/4 inch lead free reduced pressure zone backflow preventer assembly with its exclusive design incorporating the patented air-in and water-out principle for protection during an emergency condition prevents the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. Ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and from other contaminants. This assembly consists of a lead free body, quarter turn ball valve shutoffs with tee handles, check modules, replaceable seats, top mounted test cocks, and a pressure differential relief valve. It can be installed horizontal or vertical without the need of any special tools. This backflow assembly contains a flood sensor with SentryPlus Alert(R) technology to detect excessive water discharges from the relief valve. When paired with an add on connection kit, the sensor is activated to relay alerts for potential flooding events. Connection kit options include BMS, cellular communication, and the Sensor Control Monitor which enables integration with BAS via RS-485 Modbus or the Nexa(R) platform through Wi-Fi.
WATTS®, F391008, Reduced Pressure Zone Backflow Preventer, Inline, Series: LF909-FS, 3/4 in Nominal, Female NPT End Style, 175 psi Pressure, 140 to 33 deg F, Quarter-Turn Ball Valve Ball Valve/Gate Valve, Reduced Pressure Zone Backflow, Media: Water, Copper Silicon Alloy Body, 9-7/8 in H x 18-1/16 in W x 3-7/8 in D Dimensions
Can be installed vertcally or horizontally. This 3/4 inch 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, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.
This 1/2 inch 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 bronze body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and NPT female inlet and outlet connections with Viega ProPress connection adapters.
Automatic boiler feed with backflow preventer - 1/2 inch sweat union inlet - 1/2 inch female outlet - 175 PSI maximum inlet pressure - 150 degree maximum working temperature - 15 PSI outlet pressure - Adjustable 3 PSI to 60 PSI pressure setting
Low lead brass body - 1/2 inch female union inlet - 1/2 inch female union outlet - 175 PSI maximum working pressure - 32 degrees to 210 degrees working temperature range
Can be installed vertcally or horizontally. This 1/2 inch dual check valve with intermediate 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, two durable tight seating rubber check valves, and soldered end connections.
Adjustable from 10 to 25 PSIG - Factory set at 15 PSIG - 210 degrees maximum temperature - 100 PSI maximum pressure - Purge lever - High capacity fast fill capability - Integral check and stainless steel strainer
Can be installed vertcally or horizontally. This 3/8 IN dual check valve with atmospheric port and strainer for carbonated beverage machines prevents the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. It has an atmospheric port that provides visual indication of failure of the second check and a Wye pattern strainer. It is ideal for use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee. The connections are female NPT inflet with SAE male flare outlet. Maximum working pressure is 150 psi
This 2 inch lead free copper silicon alloy reduced pressure zone backflow preventer assembly is designed to prevent the flow 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. This assembly consists of a lead free body, 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. This backflow assembly includes flood sensor with SentryPlus Alert(R) technology to detect excessive water discharges from the relief valve. When paired with an add‑on connection kit, the sensor is activated to relay alerts for potential flooding events. Connection kit options include BMS, cellular communication, and the Sensor Control Monitor which enables integration with BAS via RS‑485 Modbus or the Nexa(R) platform through Wi-Fi.
WATTS®, 88004115, Backflow Preventer, In-Line, Series: LF009-FS, 2 in Nominal, FNPT End Style, 175 psi Pressure, 33 to 180 deg F, Quarter-Turn Ball Valve Ball Valve/Gate Valve, Reduced Pressure Zone Backflow, Media: Water, Cast Copper Silicon Alloy, 21-3/8 in L x 8-3/4 in H Dimensions
This 1 inch lead free reduced pressure zone backflow preventer assembly with its exclusive design incorporating the patented air-in and water-out principle for protection during an emergency condition prevents the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. Ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and from other contaminants. This assembly consists of a lead free body, quarter turn ball valve shutoffs with tee handles, check modules, replaceable seats, top mounted test cocks, and a pressure differential relief valve. It can be installed horizontal or vertical without the need of any special tools. This backflow assembly contains a flood sensor with SentryPlus Alert(R) technology to detect excessive water discharges from the relief valve. When paired with an add on connection kit, the sensor is activated to relay alerts for potential flooding events. Connection kit options include BMS, cellular communication, and the Sensor Control Monitor which enables integration with BAS via RS-485 Modbus or the Nexa(R) platform through Wi-Fi.
WATTS®, F391009, Reduced Pressure Zone Backflow Preventer, Inline, Series: LF909-FS, 1 in Nominal, Female NPT End Style, 175 psi Pressure, 140 to 33 deg F, Quarter-Turn Ball Valve Ball Valve/Gate Valve, Reduced Pressure Zone Backflow, Media: Water, Copper Silicon Alloy Body, 9-7/8 in H x 19-5/8 in W x 3-7/8 in D Dimensions
This 3/4 inch pressure vacuum breaker backflow preventer is used to protect against health hazard and non-hazard backsiphonage of toxic or non-toxic liquids in industrial plants, cooling towers, laboratories, laundries, swimming pools and irrigation systems. It has a bronze body, spring loaded check valve, air relief valve with opening port, two resilient seated shutoffs and test cocks, and NPT end connections. This assembly meets the specifications of the USC FCCCHR Manual. The maximum working pressure is 150 psi (10.3 bar) and temperature range is 32 degrees F to 140 degrees F (0 degrees C to 60 degrees C). The pressure vacuum breaker includes a freeze sensor for use with SentryPlus Alert(R) technology to signal facility personnel when temperature nears and reaches the freezing point. Freeze alerts feature available with add-on connection kit for Wi-Fi networks, building management systems (BMS), irrigation management systems (IMS).
Febco®, T765DBV, Pressure vacuum breaker with Freeze sensor, N-Pattern, Series: 765, 3/4 in Nominal, NPT End Style, 150 psi Pressure, 32 to 140 deg F, Quarter-Turn Ball Valve Ball Valve/Gate Valve, Vacuum Breaker Backflow, Rough Bronze, Import
Automatic boiler feed with backflow preventer - 1/2 inch female union inlet - 1/2 inch female outlet - 175 PSI maximum inlet pressure - 150 degree maximum working temperature - 15 PSI outlet pressure - Adjustable 3 PSI to 60 PSI pressure setting
This 1/2 inch lead free reduced pressure zone assembly is designed to prevent the flow 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, 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.
Old number 4ALF-20-5-T2-F
Modular check valve cartridges with easy to replace parts - Reversible Chloramine resistant silicone seat discs - Top mounted 1/2 inch test cocks - Internal sensing passage - Modular captured spring relief - Full port quarter turn ball valves with stainless steel handles - 175 PSIG maximum working pressure - 33 to 180 degrees operating temperature range
Old number 40LF4A33AM
250 degrees maximum temperature - 175 PSIG maximum pressure - Horizontal mounting only
250 degrees maximum temperature - 175 PSIG maximum pressure - Horizontal mounting only
Can be installed vertcally or horizontally. This 3/8 inch 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. It is designed for in-line continuous pressure applications, such as wash-down sinks or other installations, where a hose type device connected to the domestic water supply can be submerged into a non-potable liquid. It consists of a chrome-nickel plated lead free brass body, 3/8 union NPT thread female inlet by NPT thread female outlet, two plastic replaceable check valves, Buna-N seals, silicone discs, and stainless steel springs. The minimum working pressure is 10 psi and the maximum working pressure is 150 psi Temperature range is 33 to 180 degrees F (0.5 to 82 degrees C) continuous
This dual check valve for carbonated beverage machines prevents the reverse flow of contaminated water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of a stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. It has SAE male flare end connections. It is ideal for use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee. Maximum working pressure is 200 psi
This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi
This 3/4 inch lead free hose connection vacuum breaker permits the attachment of portable hoses to hose thread faucets and prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a lead free body construction, stainless steel working parts, a rubber diaphragm and disc, a draining stem, and a break-away set screw for tamper resistant installations. It is ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas, and general outside gardening uses. Check with local inspection authorities for installation requirements. Maximum pressure is 125 psi
Automatic boiler feed with backflow preventer - 1/2 press union inlet - 1/2 inch press outlet - 175 PSI maximum inlet pressure - 150 degree maximum working temperature - 15 PSI outlet pressure - Adjustable 3 PSI to 60 PSI pressure setting
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.
This 1/2 inch lead free anti-siphon vacuum breaker for hot or cold water prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of lead free construction, 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 applications such as on laboratory equipment.
This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT theaded outlet connections with Viega ProPress (R) connection adapters. The maximum pressure is 100 psi
This 3/8 inch 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.
This 3/4 inch hose connection vacuum breaker permits the attachment of portable hoses to hose thread faucets and prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a brass body construction, stainless steel working parts, a rubber diaphragm and disc, a draining stem, and a break-away set screw for tamper resistant installations. It is ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas, and general outside gardening uses. Check with local inspection authorities for installation requirements. Maximum pressure is 125 psi
Modular check valve cartridges with easy to replace parts - Reversible Chloramine resistant silicone seat discs - Top mounted 1/2 inch test cocks - Internal sensing passage - Modular captured spring relief - Full port quarter turn ball valves with stainless steel handles - 175 PSIG maximum working pressure - 33 to 180 degrees operating temperature range
This 3/4 inch 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 bronze 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.
This 3/4 inch hose connection vacuum breaker permits the attachment of portable hoses to hose thread faucets and prevents the reverse flow of polluted water into the potable water supply due to backsiphonage. It consists of a brass body construction, stainless steel working parts, and a rubber diaphragm and disc. It is furnished with exclusive non-removable feature and equipped to allow sill cock to be drained. This hose bibb is ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas, and general outside gardening uses. Check with local inspection authorities for installation requirements. The maximum pressure is 125 psi
This 3/4 inch lead free 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 lead free forged brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.
This 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. It consists of a lead free bronze body with two plastic replaceable check valves, stainless steel springs. This valve is designed for non-health hazard residential water system containment, continuous pressure applications. It is installed immediately downstream of the residential water meter, in a vertical or horizontal position. Minimum working pressure is 10 psi. Maximum working pressure is 150 psi
Overview
This 1/2 inch lead free dual check valve backflow preventer 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 lead free forged brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.
Features
- Lead free forged brass body for durability
- Compact design
- Stainless steel internal parts
- Horizontal or vertical installation
Hansgrohe External Vacuum Breaker, 1/2 in Nominal Size, Solid Brass Body, 1-5/8 in L x 1-1/8 in W, Brushed Nickel, Commercial