Watts 530C-100-300 - Part of the 530C Series inlet-protection-finder Note: It is recommended that

Note: It is recommended that a bottom drain is installed after each run of 5 connected channels

ZAS535-6NH

or stairways

ZB415C-4NH

Union gasket available for union models

Watts 530C-100-300 - Part of the 530C Series inlet-protection-finder Note: It is recommended thatThis 3 4 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 3 4 inch NPT threaded male inlet and 1 2 inch NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna N disc, and Buna N O ring. It has a calibrated adjustment feature for setting the