Backflow Preventer Valves

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Zurn 3/4 in. Hose Connection Vacuum Breaker with Chrome Finish
Zurn 3/4 in. Hose Connection Vacuum Breaker with Chrome Finish
Item # SX-0353243

The 3/4" BFP-9CH Hose Connection Vacuum Breaker with chrome finish 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 into the potable water supply. The BFP-9 includes a breakaway set screw to eliminate unauthorized removal, and features a maximum working water pressure of 125 psi and a maximum working water temperature of 180°F. Designed for hose bibb attachment, BFP-9 materials include a brass valve body, buna nitrile elastomers, acetal polymers, and stainless steel internals, with an optional chrome finish.

  • Ideal for 3/4” hose bibb, sink, and laundry tub applications for versatile installation
  • Backsiphonage is prevented in an economically sound way for low lifetime costs
  • Includes breakaway screw for unauthorized removal prevention
  • Stainless steel internals resist corrosion
  • ASSE® Listed 1011
  • IAPMO® Listed
  • CSA® Certified B64.2 (BFP-8F)
  • UPC® Certified B64.2 (BFP-9)
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Zurn 3/4 in. Brass Temperature and Pressure Relieve Valve
Zurn 3/4 in. Brass Temperature and Pressure Relieve Valve
Item # 8316

The TP1100A-4C-150C Temperature and Pressure Relief Valve has a 3-3/32 in. probe and is set at 150 psi, and is utilized on water heating storage vessels for protection against over-temperature or excessive pressure, primarily on water heaters in residential applications. The copper thermal element is epoxy-coated for added theft protection. TP1100A materials include cast brass or bronze for the main valve body, stainless steel internals and springs, and epoxy-coated copper tube probes.

  • Commonly used on residential water heaters
  • Protection from excessive pressure reduces risk of damage in residential applications
  • Thermal element protected with epoxy coating
  • CSA Compliance to ANSI Z21.22/CSA 4.4
  • Certified to ASME Section IV by National Board
  • Easy to Install
  • Water conserving
  • Maximum water savings
  • 1.1 GPF
  • AquaVantage flush valve
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Watts Bronze Backflow Preventer 1/2 in. Threaded
Watts Bronze Backflow Preventer 1/2 in. Threaded
Item # 483089

Intermediate atmospheric vent, For laboratory equipment, processing tanks, sterilizers and dairy equipment, Can be used on hot or cold lines under continuous pressure, Brass body, stainless steel parts, integral strainer, Can be installed horizontally or vertically, Maximum pressure 175 psi, Maximum emergency backflow temperature 250°F.

  • Forged brass body for durability
  • Compact design
  • Stainless steel internal parts
  • Horizontal or vertical installation
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Watts WA-6 Rebuilding Kit for 288A Backflow Preventor 1/4 in. and 3/8 in. Size
Watts WA-6 Rebuilding Kit for 288A Backflow Preventor 1/4 in. and 3/8 in. Size
Item # SX-0019448

This 1/4-3/8 in. anti-siphon vacuum breaker hot or cold water repair kit prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of a disk and disc float, a bonnet and O-ring. 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. Maximum Pressure is 125psi (8.6 bar).

  • Factory replacement kit
  • No special tools required for changing parts
  • All parts are made of high quality materials
  • Hot or cold water
  • Ideal for low flow hot or cold water
  • Max. pressure 125psi
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Watts 1/2 in. Sweat Union Bronze Backflow Preventer
Watts 1/2 in. Sweat Union Bronze Backflow Preventer
Item # 261023

Intermediate atmospheric vent For laboratory equipment, processing tanks, sterilizers and dairy equipment. Can be used on hot or cold lines under continuous pressure. Brass body, stainless steel parts, integral strainer Can be installed horizontally or vertically Max. pressure 175 psi Maximum emergency backflow temperature 250°F.

  • Compact design
  • Stainless steel internal parts
  • Horizontal or vertical installation
  • Forged brass body for durability
  • Max. emergency backflow temperature 250°F
  • Maximum pressure 175 psi
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Watts WA-6 Rebuilding Kit for 288A Backflow Preventor 1/2 in. Size
Watts WA-6 Rebuilding Kit for 288A Backflow Preventor 1/2 in. Size
Item # SX-0019455

This 1/2 in. anti-siphon vacuum breaker hot or cold water repair kit prevents the reverse flow of polluted water from entering into the potable water supply due to back siphonage. It consists of a disk and disc float, a bonnet and O-ring. 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. Maximum Pressure is 125 psi (8.6 bar).

  • Consists of a disk and disc float, a bonnet and O-ring
  • No special tools required for changing parts
  • All parts are made of high quality materials
  • Hot or cold water use
  • Maximum pressure is 125 psi
  • Factory replacement kit
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Apollo 1 in. Bronze FIP Pressure Vacuum Breaker
Apollo 1 in. Bronze FIP Pressure Vacuum Breaker
Item # 307723107
Ships from manufacturer. Please note that additional delivery time may apply.

This vacuum breaker prevents contamination of the potable water due to back siphon-age. A integrated freeze protection relief valve serves to reduce the possibility of damage due to intermittent freezing conditions. The modular check valve cartridge provides a capture stainless steel spring, a replaceable seat, and a reversible silicone seat disc.

  • Shut off valve have stainless steel handles for superior corrosion resistance
  • Low pressure loss documented by an independent approval agencies
  • Unique canopy that makes detachment a breeze
  • Test cocks located for easy draining
  • Chloramine resistant elastomers
  • Stainless steel internal spring for superior corrosion resistance and longevity
  • USC approved
  • Can be installed in the vertical or horizontal position
  • Designed, cast, manufactured, assembled and tested in south Carolina
  • Female pipe thread connections for ease of installation in any application
  • Maximum operating pressure: 150 psi/temperature range: 33°F to 140°F

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Zurn 1-1/2 in. No Lead Pressure Reducing Valve
Zurn 1-1/2 in. No Lead Pressure Reducing Valve
Item # 302171278
Ships from manufacturer. Please note that additional delivery time may apply.

The 1-1/2" NR3XLDU Pressure Reducing Valve with double union FNPT connection is ideal for residential applications that require frequent cleaning of sediment and debris. The stainless steel strainer screen catches debris without buildup to protect your plumbing system, while the cartridge design ensures easy repairs. The NR3XL features a corrosion-resistant, threaded bell construction for rapid access to internals, and lowers lifetime costs through its water-conserving design. Meeting code and jobsite requirements, this popular Pressure Reducing Valve is used for landscaping, residential single-family, multifamily, public entrances, and more.

  • Short lay length and compact design installs in tight spaces
  • Cartridge-loaded design simplifies repairs
  • Time- and labor-saving tailpiece options include threaded, PEX, copper sweat and CPVC
  • Quality integral stainless steel strainer screen holds up over time
  • Highly durable, threaded bell resists corrosion and provides easy access to cartridge internals
  • ASSE® Listed 1003
  • IAPMO® Listed
  • CSA® Certified CSA® Certified
  • Meets the requirements of NSF/ANSI 61

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Apollo 1 in. Reduced Pressure Backflow Preventer, Lead Free, Black
Apollo 1 in. Reduced Pressure Backflow Preventer, Lead Free, Black
Item # 300087561
Ships from manufacturer. Please note that additional delivery time may apply.

This item with threaded connections is designed to prevent the back flow of polluted water from entering into the potable water supply due to back siphon-age and or backpressure. It has top mounted test cocks for easy testing. Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California.

  • Theft-deterrent coating eliminates scrap value and reduces theft of installed units
  • Low pressure loss documented by independent approval agencies
  • Easily removable modular check valve cartridge
  • Captured stainless steel springs
  • Ball valve shutoffs with ss handles and nuts
  • 5-year domestic warranty
  • No special tools required
  • Chloramine resistant elastomer
  • Meets ASSE 1015, CSA B64.5, and IAPMO

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Apollo 3/4 in. Lead Free Bronze FIP Reduced Pressure Backflow Preventer
Apollo 3/4 in. Lead Free Bronze FIP Reduced Pressure Backflow Preventer
Item # 307723094
Lead-Free Product. Ships from manufacturer. Please note that additional delivery time may apply.

This item with threaded connections is designed to prevent the back flow of polluted water from entering into the potable water supply due to back siphon-age and or backpressure. It has top mounted test cocks for easy testing. Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California.

  • Shut off valve have stainless steel handles for superior corrosion resistance
  • Low pressure loss documented by an independent approval agencies
  • Captured stainless steel springs
  • Top mounted test cocks for easy testing
  • Chloramine resistant elastomers
  • Stainless steel internal spring for superior corrosion resistance and longevity
  • USC approved
  • Can be installed in the vertical or horizontal position
  • Designed, cast, manufactured, assembled and tested in south Carolina
  • Female pipe thread connections for ease of installation in any application
  • Maximum working pressure: 175 psi /temperature range: 33°F to 180°F

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Zurn 2 in. Lead-Free Bronze Water Pressure Reducing Valve with Double Union Female Copper Sweat
Zurn 2 in. Lead-Free Bronze Water Pressure Reducing Valve with Double Union Female Copper Sweat
Item # 203999041
Ships from manufacturer. Please note that additional delivery time may apply.

The 2" NR3XLDUC Pressure Reducing Valve with double union FNPT connection and FC (copper sweat) union connection is ideal for residential applications that require frequent cleaning of sediment and debris. The stainless steel strainer screen catches debris without buildup to protect your plumbing system, while the cartridge design ensures easy repairs. The NR3XL features a corrosion-resistant, threaded bell construction for rapid access to internals, and lowers lifetime costs through its water-conserving design. Meeting code and jobsite requirements, this popular Pressure Reducing Valve is used for landscaping, residential single-family, multifamily, public entrances, and more.

  • Short lay length and compact design installs in tight spaces
  • Cartridge-loaded design simplifies repairs
  • Time- and labor-saving tailpiece options include threaded, PEX, copper sweat and CPVC
  • Quality integral stainless steel strainer screen holds up over time
  • Highly durable, threaded bell resists corrosion and provides easy access to cartridge internals
  • ASSE® Listed 1003
  • IAPMO® Listed
  • CSA® Certified
  • Meets the requirements of NSF/ANSI 61

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Zurn 1 in. Lead Free Ball Valve
Zurn 1 in. Lead Free Ball Valve
Item # 302181293
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Zurn Wilkins Model 850XL Full Port Bronze Ball Valves are recommended for residential, commercial and industrial applications where Lead-Free valves are required. Ideal for throttling and balancing installations of low pressure steam, air, water and non-corrosive gas or oil. This valve has a pressure rating of 400 psi WOG.

  • Quarter turn, full port ball valves
  • Bronze body construction with hard chromed brass ball
  • Used on Wilkins small diameter backflow assemblies
  • Lead free compliant
  • Stainless steel handle
  • Temperature rating 33°F to 350°F at 50 psi

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Zurn 1-1/2 in. Reduced Pressure Principle Backflow Preventer
Zurn 1-1/2 in. Reduced Pressure Principle Backflow Preventer
Item # 306301410
Ships from manufacturer. Please note that additional delivery time may apply.

The 2" 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.

  • 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
  • AWWA Compliant C510
  • CSA® Certified

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Apollo 3/4 in. Bronze FIP Pressure Vacuum Breaker
Apollo 3/4 in. Bronze FIP Pressure Vacuum Breaker
Item # 307723093
Ships from manufacturer. Please note that additional delivery time may apply.

This vacuum breaker prevents contamination of the potable water due to back siphon-age. A integrated freeze protection relief valve serves to reduce the possibility of damage due to intermittent freezing conditions. The modular check valve cartridge provides a capture stainless steel spring, a replaceable seat, and a reversible silicone seat disc.

  • Shut off valve have stainless steel handles for superior corrosion resistance
  • Low pressure loss documented by an independent approval agencies
  • Unique canopy that makes detachment a breeze
  • Test cocks located for easy draining
  • Chloramine resistant elastomers
  • Stainless steel internal spring for superior corrosion resistance and longevity
  • USC approved
  • Can be installed in the vertical or horizontal position
  • Designed, cast, manufactured, assembled and tested in south Carolina
  • Female pipe thread connections for ease of installation in any application
  • Maximum operating pressure: 150 psi/temperature range: 33°F to 140°F

Ships from manufacturer. Please note that additional delivery time and freight charges may apply.

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Zurn 1-1/2 in. Brass Pressure Reducing Valve
Zurn 1-1/2 in. Brass Pressure Reducing Valve
Item # 304957706
Ships from manufacturer. Please note that additional delivery time may apply.

The 1-1/2" NR3XLDULU Pressure Reducing Valve with 2 integral FNPT connection (no union) is ideal for residential applications that require frequent cleaning of sediment and debris. The stainless steel strainer screen catches debris without buildup to protect your plumbing system, while the cartridge design ensures easy repairs. The NR3XL features a corrosion-resistant, threaded bell construction for rapid access to internals, and lowers lifetime costs through its water-conserving design. Meeting code and jobsite requirements, this popular Pressure Reducing Valve is used for landscaping, residential single-family, multifamily, public entrances, and more.

  • Short lay length and compact design installs in tight spaces
  • Cartridge-loaded design simplifies repairs
  • Time- and labor-saving tailpiece options include threaded, PEX, copper sweat and CPVC
  • Quality integral stainless steel strainer screen holds up over time
  • Highly durable, threaded bell resists corrosion and provides easy access to cartridge internals
  • ASSE® Listed 1003
  • IAPMO® Listed
  • CSA® Certified
  • Meets the requirements of NSF/ANSI 61

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Zurn 4 in. Double Check Detector Backflow Preventer
Zurn 4 in. Double Check Detector Backflow Preventer
Item # 304958118
Ships from manufacturer. Please note that additional delivery time may apply.

The 4" 350ADA Double Check Detector Backflow Assembly, with flanged end OS&Y gate valves, protects against both backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350ADA efficiently detects leaks and any unauthorized water use. Its single access cover reduces down time and added costs associated with maintenance and repairs. Lighter in weight than the 350DA Model, the 350ADA features a short lay-length for compact, versatile installation in horizontal or vertical positions.

  • Horizontal or vertical installation offers versatility and reduces installation time
  • Leak and unauthorized water use detection decreases costs over time
  • Patented Compound Check offers reliable performance and improved flow characteristics
  • Lack of threads or taps in cover and body reduces corrosion exposure
  • ® Listed 1048
  • AWWA Compliant C510 (with gates only), and C550
  • CSA® Certified B64.5
  • UL® Classified
  • C-UL® Classified
  • FM® Approved

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Zurn 1 in. No Lead Pressure Reducing Valve FNPT Union x FNPT Tool
Zurn 1 in. No Lead Pressure Reducing Valve FNPT Union x FNPT Tool
Item # 302175719
Ships from manufacturer. Please note that additional delivery time may apply.

The 1" 500XL Pressure Reducing Valve works effectively for industrial water lines and commercial irrigation systems with high-flow rate capacity and low falloff. The balanced piston design enables the regulator to respond seamlessly to changes in the system flow demand, ultimately providing vital protection from inlet pressure changes. The direct-acting integral bypass design prevents buildup of excessive system pressure caused by thermal expansion. The all-bronze body and threaded bell provide superior corrosion resistance and easy access to the internal system. You will save valuable installation time and labor costs.

  • Short lay length and compact design allow it to install in tight spaces
  • High-flow capacity suits commercial or industrial pressure reduction applications
  • Highly durable, threaded bell resists corrosion and provides easy access to cartridge internals
  • Lead Free
  • ASSE® Listed
  • IAPMO® Listed
  • CSA® Certified
  • CSA® Certified
  • Meets the requirements of NSF/ANSI 61

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Zurn 4 in. Reduced Pressure Principle Backflow Preventer
Zurn 4 in. Reduced Pressure Principle Backflow Preventer
Item # 304958122
Ships from manufacturer. Please note that additional delivery time may apply.

The 4" 375ASTDA Reduced Pressure Detector Assembly is used in high hazard, fire protection applications to protect against both backsiphonage and backpressure of contaminated water. The 375ASTA features a quality 304L grade stainless steel valve body and access covers for added corrosion-resistance, and an incorporated metered bypass for detecting leaks and any unauthorized water use. Its short lay-length is ideal for installation in compact spaces, while its improved flow characteristics work well for lower-pressure systems. The 375ASTDA comes standard with flanged end OS&Y gate valves, and multiple options for end connections are available for added versatility.

  • Short lay-length ensures easy installation in compact spaces
  • Metered bypass reduces costs from unauthorized water use and leaks
  • Improved flow characteristics for low pressure systems
  • Quality 304L grade stainless steel provides corrosion-resistance
  • Lead-free law compliant
  • ASSE® Listed
  • AWWA Compliant
  • UL® and C-UL® Classified
  • FM® Approved
  • CSA® Certified

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Zurn 3 in. Double Check Backflow Preventer
Zurn 3 in. Double Check Backflow Preventer
Item # 304958115
Ships from manufacturer. Please note that additional delivery time may apply.

The 3" 350 Double Check Valve Backflow Assembly, with NRS gate valves, is used on potable water lines in all low health hazard applications for protection against both backsiphonage and backpressure. Its convenient single access cover saves you unnecessary maintenance costs and repair time, and the patented compound check guarantees reliable performance and improved flow characteristics. The epoxy-coated ductile iron body provide corrosion-resistance, and the multiple shut-off and end connection options increase the installation versatility of the 350.

  • Short lay-length and multiple connection options provide versatile installation in compact spaces
  • Single access cover eases access, reducing maintenance costs and downtime
  • Patented Compound Check offers reliable performance and improved flow characteristics
  • Complete epoxy coating inside and outside of valve body eliminating exposure to corrosion
  • Lead-free
  • ASSE® Listed
  • CSA® Certified
  • IAPMO® Listed
  • AWWA Compliant
  • UL® and C-LU® Classified

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Zurn 1/2 in. No Lead Pressure Reducing Valve FNPT Union x FNPT Tool
Zurn 1/2 in. No Lead Pressure Reducing Valve FNPT Union x FNPT Tool
Item # 302173100
Ships from manufacturer. Please note that additional delivery time may apply.

The 1/2" 500XL Pressure Reducing Valve works effectively for industrial water lines and commercial irrigation systems with high-flow rate capacity and low falloff. The balanced piston design enables the regulator to respond seamlessly to changes in the system flow demand, ultimately providing vital protection from inlet pressure changes. The direct-acting integral bypass design prevents buildup of excessive system pressure caused by thermal expansion. The all-bronze body and threaded bell provide superior corrosion resistance and easy access to the internal system. You will save valuable installation time and labor costs.

  • Short lay length and compact design allow it to install in tight spaces
  • High-flow capacity suits commercial or industrial pressure reduction applications
  • Highly durable, threaded bell resists corrosion and provides easy access to cartridge internals
  • Lead-free
  • ASSE® Listed
  • IAPMO® Listed
  • CSA® Certified
  • City of Los Angeles Approved
  • Meets the requirements of NSF/ANSI 61

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Zurn 4 in. Iron Pressure Reducing Valve
Zurn 4 in. Iron Pressure Reducing Valve
Item # 304957806
Ships from manufacturer. Please note that additional delivery time may apply.

The 4 in ZW209 Pilot Operated Pressure Reducing Valve or Automatic Control Valve (ACV) is used in multiple residential and commercial applications where steady downstream pressure and high flow rates are required. The ZW209 pilot assembly allows the main valve to modulate between closed and open for a constant downstream pressure, and automatically seals shut after reaching the pilot setting to prevent possible downstream damage. Its internal and external epoxy coating offers corrosion-resistance, and the isolation valves and pressure gauges provide easy, cost-effective maintenance and repairs for the lowest total cost of ownership.

  • Epoxy coating of internals and externals protects against corrosion
  • Inlet and outlet pressure gauges, wye strainer, and isolation valves come standard and provide for quick and easy maintenance or repair
  • Reactive pilot assembly ensures constant downstream set pressure
  • ANSI/AWWA C530
  • Meets the requirements of NSF/ANSI 61
  • Lead free

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Zurn 3/4 in. Bronze Pressure Reducing Valve
Zurn 3/4 in. Bronze Pressure Reducing Valve
Item # 304957727
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The Zurn Wilkins NR3XL Pressure Reducing Valve features an integral strainer, making it ideal for residential applications. The durable composite bell housing resists corrosion. Its cartridge design is easy to repair.

  • 3/4 in. pressure reducing valve sealed cage (SC) option with stainless steel adjustment screw for below grade and meter box applications
  • Cartridge loaded design is easily repaired, ideal for residential applications
  • Compact design with short lay length allows installation in tight spaces
  • Labor saving tailpiece options ease installation, including PEX, threaded, copper sweat, CPVC, Z-bite and Z-press solderless connections and more
  • Threaded bell speeds access to cartridge internals
  • Lead free

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Zurn 1 in. Lead-Free Brass Reduced Pressure Principle Assembly with Strainer
Zurn 1 in. Lead-Free Brass Reduced Pressure Principle Assembly with Strainer
Item # 203999038
Ships from manufacturer. Please note that additional delivery time may apply.

The Zurn-Wilkins 375XL series provides a unique design with its removable pressure vessel and low lead composition. The reduced pressure principle assembly is designed for installation on potable water lines. It is designed to protect against both back-siphonage and backpressure of contaminated water into the potable water supply.

  • Entire pressure vessel is removable to facilitate check access for cleaning or repair
  • Easy to winterize by removing pressure vessel between shutoff valves
  • Removable pressure vessel eliminates the need of union connections
  • Simple design provides for easy maintenance
  • Plastic pressure vessel is a theft deterrent
  • Composite housing and check modules resist corrosion
  • ASSE listed 1013, IAPMO listed, CSA certified
  • Approved by the foundation for cross connection control and hydraulic research at the university of Southern California
  • 1-375XLS includes a bronze wye strainer in order to filter sediment which could cause premature failure

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Zurn 3/4 in. Brass Temperature and Pressure Relief Valve
Zurn 3/4 in. Brass Temperature and Pressure Relief Valve
Item # 304957786
Ships from manufacturer. Please note that additional delivery time may apply.

The TP220 Temperature and Pressure Relief Valve is utilized on commercial water heaters for protection against over-temperature or excessive pressure (not for steam service). The copper thermal element is epoxy-coated for added theft protection. The TP220-5C-150C Model includes a 5” probe and pressure relief setting of 150 psi. TP220 materials include cast brass or bronze for the main valve body, corrosion-resistant stainless steel internals and springs, and FDA approved, epoxy-coated copper tube probes. All TP220 Models include a 3/4” MNPT inlet x 3/4” FNPT outlet connection, and a relief temperature of 210°F.

  • 3/4” MNPT inlet x 3/4” FNPT outlet connection option for quick installation
  • Designed for long-lasting use on commercial water heaters
  • Quality protection from over-temperature and excessive pressure
  • Stainless steel internals and brass/bronze body resist corrosion
  • CSA Compliance to ANSI Z21.22/CSA 4.4
  • Certified to ASME Section IV by National Board

Ships from manufacturer. Please note that additional delivery time and freight charges may apply.

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