McKesson Anti-Siphon Valve with Male/Female Connector - Backflow Prevention for Medical & Plumbing Systems - 100/Case

Premium Anti-Siphon Valve for Reliable Backflow Prevention in Medical and Plumbing Applications

The McKesson anti-siphon valve delivers essential backflow prevention and contamination protection for medical facilities, healthcare plumbing systems, laboratory applications, and institutional environments. Engineered with precision male/female connector design and durable construction materials, this high-performance valve prevents reverse fluid flow, protects water supply integrity, and ensures compliance with plumbing safety codes and healthcare infection control standards across diverse applications.

Key Features & Performance Benefits

• Advanced Anti-Siphon Design: Engineered specifically to prevent siphoning and backflow of fluids, protecting potable water supplies from contamination, preventing cross-connection hazards, and maintaining the integrity of medical and plumbing systems in healthcare facilities
• Male/Female Connector Configuration: Versatile connector design with both male and female threading provides flexible installation options and universal compatibility with standard plumbing fixtures, medical equipment connections, and fluid delivery systems commonly used in healthcare environments
• Durable High-Quality Construction: Manufactured from premium-grade materials engineered to withstand continuous use, chemical exposure, temperature variations, and the demanding conditions of healthcare plumbing systems, delivering long-lasting performance and reliability throughout years of service
• Easy Installation Design: Intuitive connector configuration and standard threading enable quick, hassle-free installation by plumbing professionals, maintenance staff, or biomedical technicians without specialized tools or complex procedures, reducing installation time and labor costs
• Reliable Consistent Performance: Precision engineering and quality craftsmanship ensure dependable backflow prevention performance across varying pressure conditions, flow rates, and system configurations, maintaining smooth, uninterrupted fluid flow while preventing reverse contamination
• Prevents Fluid Backflow: The valve's anti-siphon mechanism effectively blocks reverse fluid movement that could introduce contaminants into clean water supplies, medical equipment, or sterile systems, protecting patient safety and maintaining regulatory compliance
• Ensures System Safety: By preventing siphoning and backflow events, the valve protects plumbing infrastructure, medical equipment, and water distribution systems from damage, contamination, and potential hazards that could compromise patient care or facility operations
• Improves Operational Efficiency: Continuous backflow prevention eliminates disruptions caused by contamination events, system shutdowns, or equipment damage, resulting in improved system performance, reduced maintenance interventions, and enhanced operational reliability

Ideal Applications & Use Cases

• Hospital plumbing systems and medical gas installations
• Clinical laboratory water supply and equipment connections
• Dialysis centers and renal care facilities
• Dental office water lines and equipment protection
• Surgical suite plumbing and sterile water systems
• Pharmaceutical manufacturing and compounding facilities
• Medical equipment requiring backflow prevention
• Healthcare facility maintenance and renovation projects
• Long-term care and assisted living plumbing systems
• Veterinary clinics and animal healthcare facilities
• Research laboratories and biotechnology facilities
• Food service and dietary department plumbing
• Commercial plumbing systems requiring contamination prevention
• Irrigation systems and outdoor water connections

Technical Specifications

• Connector Type: Male/Female threaded configuration
• Function: Anti-siphon backflow prevention
• Material: High-quality durable construction materials
• Installation: Standard threading for easy integration
• Compatibility: Universal fit with standard plumbing fixtures
• Performance: Prevents reverse fluid flow and siphoning
• Application: Medical, healthcare, and plumbing systems
• Package Quantity: 100 valves per case
• Unit of Measure: Case (100 count)

Anti-Siphon Technology: Critical Contamination Prevention

Backflow and siphoning represent serious threats to water supply safety in healthcare facilities, where contaminated water could expose vulnerable patients to waterborne pathogens, chemical contaminants, or other hazardous substances. The McKesson anti-siphon valve employs proven mechanical design principles to create a one-way flow path that allows fluid to move forward through the system while physically blocking reverse movement.

When negative pressure conditions occur in water supply lines—caused by main breaks, high-demand situations, or system maintenance—unprotected connections can allow contaminated water, chemicals, or other fluids to be drawn backward into clean water supplies through siphoning action. The anti-siphon valve's internal mechanism detects these reverse-flow conditions and immediately closes to prevent contamination, protecting both the immediate connection point and the broader water distribution system.

This protection is particularly critical in healthcare settings where medical equipment, laboratory processes, or clinical procedures involve connections to potable water systems. Without proper backflow prevention, contaminated fluids from medical devices, chemical processes, or waste systems could potentially enter drinking water supplies, creating serious patient safety risks and regulatory compliance violations.

Male/Female Connector Design: Installation Flexibility

The dual male/female connector configuration provides exceptional installation versatility, allowing the valve to be integrated into diverse plumbing configurations without requiring additional adapters, couplings, or custom fittings. The male threaded end connects to female-threaded fixtures or equipment, while the female threaded end accepts male-threaded supply lines or connectors.

This bidirectional compatibility simplifies inventory management for facilities maintenance departments, as a single valve type can serve multiple installation scenarios rather than requiring separate male-only or female-only variants. Maintenance staff can stock one product that addresses diverse backflow prevention needs across the facility, reducing inventory complexity and ensuring appropriate valves are always available when needed.

Standard threading dimensions ensure compatibility with common plumbing fixtures, medical equipment connections, and fluid delivery systems used throughout healthcare facilities. This universal fit eliminates the trial-and-error process of matching proprietary connector types and reduces installation delays caused by incompatible components.

Durable Construction: Long-Term Reliability

Healthcare plumbing systems operate continuously under demanding conditions including constant water pressure, temperature fluctuations, chemical exposure from cleaning agents and disinfectants, and the mechanical stress of repeated pressure cycling. The McKesson anti-siphon valve's high-quality construction materials resist corrosion, chemical degradation, and mechanical wear, maintaining reliable backflow prevention performance throughout years of continuous service.

The durable construction reduces the frequency of valve replacements, minimizing maintenance costs, reducing system downtime, and eliminating the labor expenses associated with frequent component changes. Facilities can depend on consistent backflow prevention without the operational disruptions and costs associated with premature valve failures.

Quality materials also ensure the valve maintains proper sealing and mechanical function even after extended exposure to chlorinated water, cleaning chemicals, or other substances commonly present in healthcare plumbing systems. This chemical resistance prevents the seal degradation and mechanical failures that compromise backflow prevention effectiveness in lower-quality valves.

Easy Installation: Reduced Labor and Downtime

The valve's straightforward design and standard threading enable rapid installation by plumbing professionals or facilities maintenance staff without specialized training or proprietary tools. Clear installation orientation and intuitive connector design minimize installation errors that could compromise backflow prevention effectiveness or create leak points.

Quick installation is particularly valuable during emergency repairs, system upgrades, or new construction projects where time constraints and labor availability create pressure to complete work efficiently. Maintenance teams can install multiple valves rapidly, reducing project timelines and minimizing disruptions to facility operations or patient care activities.

The ease of installation also supports preventive maintenance programs where facilities proactively replace aging valves before failures occur. Maintenance staff can efficiently swap out older valves during scheduled maintenance windows, maintaining continuous backflow protection without extended system shutdowns or complex installation procedures.

Regulatory Compliance and Code Requirements

Healthcare facilities must comply with stringent plumbing codes, water quality regulations, and infection control standards that mandate backflow prevention in specific applications. The McKesson anti-siphon valve supports compliance with these requirements by providing mechanical backflow prevention at critical connection points where contamination risks exist.

Plumbing codes typically require backflow prevention devices on connections to medical equipment, laboratory systems, irrigation lines, and other applications where non-potable fluids could potentially enter drinking water supplies. Installing appropriate anti-siphon valves demonstrates regulatory compliance during inspections and helps facilities avoid citations, fines, or corrective action requirements.

For accreditation purposes, healthcare facilities must document their backflow prevention measures and demonstrate effective contamination control throughout water distribution systems. The systematic installation of anti-siphon valves at appropriate locations provides tangible evidence of the facility's commitment to water safety and patient protection.

Operational Efficiency and System Protection

Beyond contamination prevention, anti-siphon valves protect plumbing systems and connected equipment from damage caused by reverse flow events. Backflow can introduce air pockets, sediment, or debris into equipment that expects clean, forward-flowing water, potentially damaging pumps, valves, sensors, or other components.

By maintaining unidirectional flow, the valve ensures equipment operates within design parameters, extending service life and reducing the frequency of repairs or replacements. This protection is particularly valuable for expensive medical equipment or specialized laboratory instruments where repair costs significantly exceed the investment in proper backflow prevention.

The valve's reliable performance also eliminates the operational disruptions associated with contamination events, which can require extensive system flushing, water testing, equipment decontamination, and temporary service interruptions. Preventing these events through effective backflow prevention maintains continuous operations and avoids the costs and complications of contamination remediation.

Bulk Case Packaging: Institutional Value

The 100-count case packaging provides economical pricing for facilities requiring multiple valves for new construction, renovation projects, or ongoing maintenance programs. Bulk purchasing reduces per-unit costs, minimizes reorder frequency, and ensures adequate inventory for planned and emergency installations.

Large case quantities are particularly valuable for facilities management departments, plumbing contractors, or healthcare systems managing multiple buildings where standardized backflow prevention across all locations requires significant valve quantities. Centralized purchasing and inventory management simplify procurement while ensuring consistent product quality across the organization.

Quality Assurance and Consistency

Manufactured to consistent quality standards, each valve in the case delivers reliable backflow prevention performance. Quality control processes monitor dimensional accuracy, threading precision, and mechanical function throughout production, ensuring every valve meets performance specifications for healthcare and plumbing applications.

Procurement and Inventory Management

Available in 100-count cases optimized for institutional purchasing and facilities management inventory systems. Compatible with standardized procurement platforms, maintenance management software, and supply chain systems commonly used in healthcare facilities. Free shipping available on qualifying orders.

Why Choose McKesson Plumbing and Facility Solutions?

McKesson has served healthcare facilities for over 190 years, delivering the quality, reliability, and innovation that facilities professionals depend on. These anti-siphon valves represent the same commitment to safety, performance, and value that healthcare organizations trust across medical equipment, supplies, and facility products. When you choose McKesson facility solutions, you're partnering with an industry leader that understands the critical role that quality components play in maintaining safe, compliant, efficient healthcare environments.