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ZAS535-6NH
or stairways
Union gasket available for union models
and planting media
Note: It is recommended that a bottom drain is installed after each run of 5 connected channels
Watts 530C-100-300 - Part of the 530C Series inlet-protection-finder ZAS535-6NHThis 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