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Built-in gravel stop to maintain drainage performance
UPC - 098268587883
thermoplastic seat and cage
Z191-5X4X24-3NH
Watts CSM-91 4 - Part of the CSM-91 Series ZC100F-3NH Built-in gravel stop to maintainThis 4 inch flow measurement valve monitors system flow in medium to high flow rate HVAC units, providing a highly accurate flow measurement. It consists of ductile iron body construction, pressure differential readout ports on both sides of the valve, two interchangeable brass metering ports and drain ports on both sides of the valve, two check valves with gasketed caps, bronze valve stem and plug disc, multi turn adjustment handwheel, tamper proof
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