MIFAB® / Hydromax Series MH-301, 401, 501, 601-WDEXT-2IN (specify outlet connection size) lacquered cast iron siphonic roof drain overflow extension with Type 304 stainless steel allen key hardware.
Downloads
Downloads
Installation
HYDROMAX Design Submission Form
Installation Instructions
IAPMO Listing
Drawings
Dimensional Line Drawings (ZIP)
HYDROMAX Ponding Curves (ZIP)
CSI Specifications
Siphonic Drainage Performance Based Specifications
HYDROMAX CSI Specifications
Why HYDROMAX
Videos
Videos