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ADA- and heel-proof grate options: stainless steel wire grate (-SWG) and fabricated slotted grate (-FS)
ZN1930-2NH
Ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards and for other non-toxic contaminants at the service line entrance
stainless steel test lever
Watts 774DCDA-OSY-CFM 4 - Part of the 774DCDA Series Z100F-3NH ADA- and heel-proof grate options:This double check detector assembly backflow preventer, 4 inch, prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body, thermoplastic and stainless steel check valves, and low head loss. It has a cubic foot meter. It can be installed in a vertical