Watts 140X-8 75/210 FS 3/4 - Part of the 140 Series nwgf The Watts RD-300-W is a

The Watts RD-300-W is a medium-area roof drain designed for primary drainage where a wide flange is required for secure membrane attachment

watertight drainage in areas housing sensitive electronic equipment

Designed for primary drainage applications on small-area roofs

It is recommended for use on radiators and convectors

Z554-4NH-P

Watts 140X-8 75/210 FS 3/4 - Part of the 140 Series nwgf The Watts RD-300-W is aThis automatic reseating temperature and pressure relief valve has a 3 4 inch NPTF female inlet, 3 4 inch NPTF female outlet, 8 inch coated extension thermostat, pressure relief setpoint of 75 psi, and temperature relief setpoint of 210 degrees F. The valve can be installed in hot water outlet within the allowable distance from the top of the tank for commercial applications to provide protection for hot water supply tanks and hot water heaters. It