All Valve Industries 573506 Dual Check with Atmospheric Port 20mm Approved Caleffi
The Caleffi dual check valve with atmospheric port is a low hazard device, most commonly used for underground rainwater tanks, as well as dental chairs, hairdressers and combi ovens (check with local regulator).
Features:
• Union Ends
• Superior flow rates
• Made in Italy
• Inbuilt strainer mesh
