Watts SS07F-GPM 6 - Part of the SS07F Series Z100F-4NH and can be easily cut

and can be easily cut to 4 in

union connections

Membrane Clamp & Debris Protection: Includes a flashing clamp that secures the roofing membrane along with a guard or strainer to keep out gravel

It comes with a standard no-hub outlet

Z534-6IP-C

Watts SS07F-GPM 6 - Part of the SS07F Series Z100F-4NH and can be easily cutThis 6 IN stainless steel, single detector check valve for fire sprinkler systems is used in fire protection applications to detect leakage or unauthorized use of water in fire sprinkler systems. It consists of a stainless steel body construction with flanged connection, and stainless steel linkage parts. It is lightweight, non corrosive, and can be installed in a horizontal or vertical position and has gallons per minute meter. Maximum pressure is