1 1/4" 975XL3 BFSS RP
Item Number: 114-975XL3BFSS
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$5,741.26
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Brand - Wilkins
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- Reduced Pressure Principle Backflow Preventer
- Weight: 17.0 lb
- Nominal Size: 1 1/4 inch
- Main Body Material: Cast Bronze (ASTM B 584)
- Maximum Working Pressure: 175 PSI
- Maximum Working Temperature: 180°F
- Elastomers: Silicone
- Polymers: Noryl™
- ASSE® Listed 1013, CSA B64.4 Certified
Description
Description
The Zurn Wilkins 1 1/4" 975XL3 Reduced Pressure Principle Backflow Preventer with full port ball valves and supervisory switches protects potable water systems from contamination in non-potable applications. Its robust cast bronze body, Noryl polymers, and silicone elastomers ensure durability. The compact wye pattern design allows for easier installation in confined spaces, while separate access to check and relief valves simplifies in-line maintenance and reduces labor costs. This unit is ASSE® Listed 1013 and CSA B64.4 Certified, providing reliable performance up to 175 PSI and 180°F.
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Installation Guidelines
- Local codes shall govern installation requirements.
- Install in accordance with manufacturer's instructions and the latest edition of the Uniform Plumbing Code.
- The assembly shall be mounted at a minimum of 12 inches (305mm) and a maximum of 30 inches (762mm) above adequate drains.
- Ensure sufficient side clearance for testing and maintenance.
- The unit cannot be submerged during installation or operation.
This backflow preventer is for use in non-potable applications only.
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Additional Details
The Zurn Wilkins 1 1/4" 975XL3 Reduced Pressure Principle Backflow Preventer with full port ball valves and supervisory switches is designed for use on non-potable water applications, providing high health hazard protection against backsiphonage and backpressure of contaminated water into the potable water supply.
Its compact wye pattern design and cast bronze body with separate access to the relief valve and each check valve reduce labor costs and repair time, making the entire unit serviceable in line.
Features
- Provides high health hazard protection for non-potable water systems
- Wye pattern design with short lay length for easy installation in compact spaces
- Cast bronze body and access covers for durability
- Separate access to the relief valve and each check valve for reduced maintenance
- Entire unit is serviceable in line
- Includes full port ball valves with supervisory switches for isolation and monitoring
Specifications
- Product Type: Reduced Pressure Principle Backflow Preventer
- Nominal Size: 1 1/4 inch
- Main Valve Body Material: Cast Bronze (ASTM B 584)
- Access Cover Material: Cast Bronze (ASTM B 584)
- Fasteners Material: Stainless Steel, 300 Series
- Elastomers Material: Silicone
- Polymers Material: Noryl™
- Seat Ring Material: Noryl™
- Seat Disc Elastomers Material: Silicone
- Springs Material: Stainless Steel, 300 series
- Maximum Working Water Pressure: 175 PSI
- Maximum Working Water Temperature: 180°F
- Hydrostatic Test Pressure: 350 PSI
- End Connections: Threaded
Certificates & Approvals
- ASSE® Listed 1013
- IAPMO® Listed
- UL® Classified (with shut-off valves)
- C-UL® Classified
- CSA® Certified B64.4
- AWWA Compliant C511
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
- NYC MEA 425-89-M VOL 3
FAQs
What is the primary function of the Zurn Wilkins 975XL3?
The Zurn Wilkins 975XL3 Reduced Pressure Principle Backflow Preventer is designed to protect potable water supplies from contamination caused by backsiphonage and backpressure in non-potable water systems.
What are the main materials used in the construction of this backflow preventer?
The main body and access covers are made of cast bronze (ASTM B 584). Internal polymers and seat rings are Noryl™, while seat disc elastomers are silicone. Fasteners and springs are stainless steel, 300 series.
Does this 1 1/4" model include shut-off valves?
Yes, this specific model (indicated by "BFSS" in the SKU) comes equipped with full port ball valves and supervisory switches on the inlet and outlet for isolation and tamper detection.
What are the key installation requirements for the 975XL3?
This unit must be installed a minimum of 12 inches (305mm) and a maximum of 30 inches (762mm) above adequate drains, with sufficient side clearance for testing. It should never be submerged.
What are the maximum operating pressure and temperature for this device?
The Zurn Wilkins 975XL3 is rated for a maximum working water pressure of 175 PSI and a maximum working water temperature of 180°F.