Watts 77S-M1-40 1 - Part of the 77S Series Sheet Drain and check seal

and check seal

it helps protect roofing frameworks by giving excess water a reliable escape route

It consists of a lead free bronze full port body with 3/4 inch solder inlet and outlet

dual outlet roof drain and overflow combination features a flashing clamp with integral gravel stop

Built with a heavy-duty cast iron body and protected by a corrosion-resistant coating

Watts 77S-M1-40 1 - Part of the 77S Series Sheet Drain and check sealThis 1 inch wye pattern strainer, has an iron body with 20 mesh screen, 40 wire mesh liner, threaded connections, stainless steel screen, threaded iron retainer cap with non asbestos gasket and tapped blowdown connection. It is designed to protect system components from dirt, rust and other damaging debris in the piping system. It is used in steam and liquid applications. It is furnished with a machined seat that allows the screen to be self aligning