Watts 530FP - Part of the 530C Series ZA100F-2NH The Watts RD-500 is a

The Watts RD-500 is a large-area roof drain engineered for commercial and industrial roof systems requiring high-volume primary drainage

Z400G-6G-Y

and the optional dome strainer prevents clogging from leaves and debris

The temperature relief is 210 degrees (99 degrees C) and the pressure relief is set at 75 psi (5

is easy to install

Watts 530FP - Part of the 530C Series ZA100F-2NH The Watts RD-500 is aThis 1 2 inch calibrated pressure relief valve is used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna N disc, and Buna N O ring. Series 530C has a calibrated adjustment feature for setting the valve to