Dual Check Valve prevents backflow by either backpressure or back-siphonage from a cross-connection between potable water lines and substances that are objectionable, but not health hazards.
Features:
• DR Brass Dual Check Valve
• Female x Female
• 20mm
• 25mm
Lead-free bronze C89836 body, Lead-free brass C27450 tailpiece, Brass C36000 union nut, Acetal Check Modules, Stainless Steel Springs, EPDM Seat discs.
Complies with NZS 2845