3/4" x 1-1/2" Multipurpose Air Gap, Female Thread Inlet x PVC

The Lancaster Water G-175 Multi-Purpose Air Gap ensures sanitary separation and backflow prevention in water treatment and drainage systems.

Designed for use in residential and commercial water systems, this precision-molded air gap provides reliable protection against contamination by maintaining a physical separation between potable and non-potable water sources.

• Model number G-175 identifies this Lancaster Water Multi-Purpose Air Gap with a 3/4-inch female threaded inlet and a 1-1/2-inch PVC outlet connection.
• Constructed from high-quality PVC materials that offer excellent corrosion resistance and long service life in wet environments.
• Provides an air break to prevent back siphonage or backpressure contamination in drainage and discharge applications.
• Compatible with water softeners, filtration systems, reverse osmosis units, and other water treatment equipment.

Technical Data & Specifications

• Manufacturer: Lancaster Water Group
• Model Number: G-175
• Product Type: Multi-Purpose Air Gap
• Inlet Connection: 3/4-inch Female Thread (FIPT)
• Outlet Connection: 1-1/2-inch PVC Slip or Hub
• Material: PVC (Polyvinyl Chloride)
• Function: Prevents backflow contamination between potable and drain systems
• Operating Temperature: Up to 140°F (60°C)
• Pressure Rating: Up to 100 psi (non-shock, at ambient temperature)
• Installation Orientation: Vertical, gravity drain
• Applications: Water softeners, filtration units, RO systems, condensate drains, and equipment discharges
• Compliance: Conforms to applicable plumbing and backflow prevention codes
• Color: White PVC
• Maintenance: No moving parts; periodic cleaning recommended to ensure proper drainage