HydroMax 75mm dia Secondary Overflow Drain

High Performance HydroMax® Siphonic Emergency Overflow Roof Drains manufactured in a range of quality materials for compatibility with all roof build up types and gutter materials, our 75mm drains are our best seller due to the high capacity (up to 25 l/s) while being compact for installation in narrow gutters.

Tested to ANSI/ASME A112.6.9 siphonic roof drain standard; British Standard BS 8490; EN 12056.

Compliance with ANSI/ASPE 45, BS 8490 and International Plumbing Code.